Fitech Single Plane Vs Dual Plane Dyno Results

Obviously the combination required more airflow than the single throttle body could muster, so the dual 4150 throttle bodies allowed the system to breathe. Choose Dual-Plane, Single-Plane, or Others Carbureted intake manifolds come in a variety of styles: dual-plane, single-plane, Air-Gap, tunnel ram, and others. Both of the engines I've worked on with them had dual planes, no spacer, so that can be worked around. Good scenario, dual-plane with the divider machined down. Street engines operating between 2,000 and 5,500 rpm generally call for a dual-plane intake manifold, which offers longer intake runners that enhance lowto mid-range torque. Precision machined and dyno tuned $15,600 – #16,500. about 50 ft lbs torque less with the single plane at 3500-3800 rpm. Small Block Chevy Cast Iron Intake Manifold Dyno Charts Can You Use Some Extra Horsepower? A stock cast iron intake is the most restrictive item on a small-block Chevy racing engine. I have been 10. It was an absolute torque monster with the little 286 cam and the DP. Results 21 to 30 of 38 Thread: Junior It all boils down to you running a dual plane intake and I have a big single plane. Shop 454 Chevy Big Block V8 Air and Fuel Delivery parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. They showed +/- 50 HP and about 30 lb-ft (torque) loss as compared to the most modern single 4bbl set-ups. Honestly i was figuring it would break the 600hp mark, but then again the dyno could be a little on the conservative side. NEW Professional Products RPM single or dual plane intake manifold. Warm starts sometimes will start and die. The Weiand intake was designed to be compatible with all OE installations. We also changed the carb to a 750 Edlelbrock. Forum: Bob Teague. Those tires for which discount is available will be identified in search results & product detail pages. All packages can be taylored to meet the customers needs. The intake used was a Ford Motorsport dual plane intake, it's great for street driving and is nothing more than an Edelbrock Performer RPM intake knockoff. Id go the TP dual plane high-rise. While adding a spacer defeats the purpose of the dual-plane and increases it's peak effective RPM range, it becomes a divided single-plane. Second issue was. Founded in 1978, Cam Motion has a long history of helping racers win major championships at the highest levels of racing. This is because it has a flat-plane crankshaft dual-overhead-cam V8. the four hole will increase low end torque due to (velosity) there are diffrent style 4 holes that do alot of diffrent RPM ranges and curves i prefer on a dualplane a 4 hole modified style. 60 valves, flow 245/170 @. a good single plane can beat a good dual plane from 2500 RPM on up. Plus a test of the Air-Gap vs Regular dual plane intake manifolds. A quick swap to the single-plane Vortec intake gave us our best numbers, peaking horsepower at 432 (at 6,100 rpm) and grunting 412 lb-ft (at 4,700 rpm). We are looking at a 1973 Chevrolet Camaro powered by a built GM LQ4 V8. I am most skeptical of the single plane tho. I'm looking at possibly trying to use an Edelbrock Torker A331 manifold. A Strip Dominator (with 1" spacer) made 15 HP more at peak than the ported dual plane Ford so the unported Blue Thunder was down about 47 HP to the Strip Dominator. Choosing the right design basically comes down to matching the intake style to your vehicle's application and intended rpm operating range. bested the dual-plane Performer RPM, by producing 441 horsepower to just 434 hp, but is that the whole story?. divided carburetor spacer on a dual plane intake manifold. Street engines operating between 2,000 and 5,500 rpm generally call for a dual-plane intake manifold, which offers longer intake runners that enhance lowto mid-range torque. Forum: Bob Teague. If you're shopping for an intake for a high-horsepower engine or race car, you might want to consider a single-plane intake manifold. Each side of the opening feeds four cylinders on a V8 engine. This video shows our prototype HEMI Dual-Quad Single Plane Manifold on the dyno. first focal plane vs second focal plane. In head to head comparisons I have seen comparing dual and single plane intake manifolds, the single plane starts making more power once the rpm hits around 4500 rpm. That turned out to be a non-issue. Then re-adjust idle screws. about 50 ft lbs torque less with the single plane at 3500-3800 rpm. Also tested single vs dual plane, ls3 vs @compcamsofficial cam, an @fastofficial LSXR and multiple boost levels. Results 21 to 30 of 38 Thread: Junior It all boils down to you running a dual plane intake and I have a big single plane. 6L 3v 130mm Throttle Body opening + Fuel Rail Kit Black w/ Sniper EFI logo. The smaller plenum found in a dual-plane intake, favors power production at a lower rpm range. BoogieMan™ Single Plane Intake AF71475 $695 This is the king of the hill when it comes to single carb intakes. Bottom end response would be better with the dual plane. 454 Chevy Big Block V8 Air and Fuel Delivery parts in-stock with same-day shipping. Sheet Metal Fabricated Intake Manifold LS1/LS2/LS6 Single Plane EFI + Fuel Rail Kit Black with Sniper EFI logo - Now includes mounting provision for MAP sensor on rear of Intake plenum. Ford built FEs from 1958 through 1976, in a wide variety of configurations. Single Plane Intakes - EFI I have not run it on a single but can say the two single planes I have used it worked great on, but feel the same as Chad and you about do you gain enough to give some up down low I would say dependin on converter and gears in the car maybe more down low is still better and give some on top up. 4 sec qtr – 1. Dual plane gives stronger signal to carb which benefits secondary actuation. 5-inch or a single 3. Obviously the combination required more airflow than the single throttle body could muster, so the dual 4150 throttle bodies allowed the system to breathe. 2 ft/lb : A modern, well developed, single plane intake (this is the reason you haven't heard it about Mopars yet, there aren't any unless you build your own) will perform just as well if not better than a good dual plane, over a wider RPM range, in most situations. Valid on select in stock tires only. A high rise, dual plane design works well for a lot of applications. That is a loaded question cause the single plane manifold is designed for higher rpm power and the dual plane is for lower rpm torque and the results are if you get started faster with the dual plane manifold will the same setup with a single plane manifold have enough power top end to catch you. BEST 460 single carb manifold, opinions? Search May 04, 2020, 02:19:32 AM Stealth Dual Plane Ford Motorsport Single Plane "Spider design" Intake Runner with an 800 Holley is working well for me. 400 344 218. Edel & Weiand both make dual-plane & single-plane intakes for 400 Clevelands. Also, the TFS aluminum 215cc heads now have had nearly 50. Re: Single plane vs dual plane intake with a Sniper Maybe just make sure the Dual Plane Manifold has the centre divider milled down or throw on a 1/2" spacer, the Throttle Bodies seem to have some sensors located down the centre which could become obstructed by continuous centre divider. “Dual-plane manifolds are often called 180-degree manifolds because of this,” says Smith. Seen on Car Junkie TV YouTube channel! admin. If your intended carb is too small for the engine (as this 950 is for the 572-inch big-block), a street single-plane makes better results than a dual-plane intake. What is plain to see is that up to 4800rpm the dual plane intake is much stronger and from 4800 up to 6000 it is pretty much a trade-off. It is a single plane intake that I got from a friend, Edelbrock Torker, the old school vintage one. In the car, initially the engine had difficulty making a full chassis-dyno run; it was lazy over 5,400 rpm, down nearly 160 hp and 77 lb-ft compared to the engine dyno results. 0L mill which came from the factory in some of GM's harder working vehicles in the late 90s and early 2000s. was hardly worth the loss of nearly 25 lbs. If I take a 600cfm Edelbrock Performer carb, put it on an open 2" spacer, with multiple gaskets at the bottom to keep the heat from going into the carb, and put in on a dual plane Performer 289 intake, will the "open" of the spacer affect performance on the "dual plane" of the intake?. Id go the TP dual plane high-rise. I saw a test on a MOPAR where it was the same engine and the results flew in the face of the same sort of test done with a SBC - where the dual-quad intake actually did a little bit better (meaning about 3 HP and about 5 higher on torque) vs. Above Left: Edelbrock's Torker II (PT# EDL-5076) intake manifold features a single-plane, low-rise design that provides high rpm horsepower without affecting the mid-range power. What We Like: Torquey nature of dual plane What We Don't: Loses out on the top end compared to single plane. Also new power brake booster and dual master for safety. , it turned out our recent lineup of dyno tests. a good Edelbrock single bbl intake. Comp/FAST recommended the same thing after talking to them about it today. I ran a dual plane NA then changed to a single plane (also NA) prior to the turbo install based on this legend. Has provisions to machine for an oil fill tube. Over the last couple of weeks I've been slowly working through the single four intake manifolds on my 492" dyno mule. Currently only available with the Dominator style carb flange. I mention this because it is easy to make good performance with a VS carburetor and a dual plane if you understand the RPM band where they're going to be doing their work for you. 0-inch exhaust system?" To find out, we're swapping pipes on our run-of-the-mill 351 Ford, which makes about 400 hp, and to richen the pot we're also testing out turbo vs. As for the single-plane vs dual plane argument I love single-planes. Id go the TP dual plane high-rise. Here is the combo: Ford 306 Cube Edelbrock Performer RPM heads (#60329 - 60cc, 1. If you are not familiar with the LQ4, it is a 6. Re: Dual Plane vs. dual quad is the ultimate performance piece at this time for the Poly motor. Edelbrock is the most respected name in performance. 333 RWHP – 110. You don't know who Tony Knight is, do you? And btw, no chance of a Holden manifold performing the same on a triumph lol I might know more about him. Second a $130 air gap dual plane. On a dual plane if there is any difference in signal strength from side to side a carburetor can compensate for that where as TBI of port EFI cannot. I had a Single plane on my 355 and it wasnt the best to use on the street with the small cam. Hi all - a while back I promised that Id do a genuine comparison between the Modman intake with dual quad top plate and the Edekbrock 5. Bolts and instructions supplied. To maximize performance, the runners are staggered so the carburetor sees an equal amount of draw at all times, and that requires a top and bottom plane. “Dual-plane manifolds are often called 180-degree manifolds because of this,” says Smith. If you're deadset on N2O then the Torker is out, too. You can also choose a Holley 750 carburetor CFM with electric choke. Single plane isn't better until 5000 rpm, and then only marginally better. Run the same everything and install 210, 215, 227 cc heads that fit the larger single plane runner size and see what the test says. Brodix BB-3-X-tra 380 cc CNC heads w Titanium retainers. Small Block. Paul would be the definitive authority with actual dyno info, but my "seat of the pants" reaction is that the only readily available "upgrades. dyno show more power with a old weiand tunnel ram on my old 572 vs the re work super vic but the single. With our selection of intake manifolds, you can match your engine setup with the perfect single plane or dual plane manifold, single or double carburetor intake manifold, tunnel ram, hi-rise intake manifold and more!. Yes, there are companies that make 180* single plane intakes for Caddies. I have seen the 4 end runners within 10 CFM of the outers. From a performance perspective the best known engines are the 427s found in the original 427 Cobras, Galaxies, Fairlanes, and Cougars, and the. Rich from fastman efi got back to me stated all tbi efis benefit from a single plane manifold. FiTech EFI uses an annular discharge to provide fuel, but unlike a carb, it is driven by higher pressure in the fuel line, not by the lower pressure in the intake. stands behind each product we manufacture 100%. Therefore, if your goal is WOT running above 5k rpm, single plane with double pumpers sized at approx. intake, the peak horsepower output jumped to 441 horsepower at (a slightly higher) 6,500 rpm, but peak torque dropped to 405 lb-ft at (again, higher) 5,000 rpm. Plus a test of the Air-Gap vs Regular dual plane intake manifolds. Can't say how much high rpm gains was due to the single plane because I did the change during a rebuild when I made some other minor mods. They showed +/- 50 HP and about 30 lb-ft (torque) loss as compared to the most modern single 4bbl set-ups. or a Victor Jr. 302 vs 351 dyno 302 vs 351 dyno. 500) Edelbrock Performer Intake Edelbrock 3722 Cam (same. Ford's Windsor powerplant becomes the second engine for our mobile chassis dyno. Dual plane intakes can potentially cause hard start Issues ". Some Corvette purists are upset that Chevy is stepping away from the pushrod V8, though, the 2020 model year Corvettes due indeed still contain pushrod V8s. As for the single-plane vs dual plane argument I love single-planes. After many years of flowing intakes and heads I have found that the ports need walls that are as 573 on the other hand is a true dual plane intake, with larger ports, and continuous. for intake we went from a cast iron dual plane to an aluminum single plane, and from a two to a four barrel carburetor. With TBI, you need just the opposite of conventional carb thinking, I think, a single plane is needed to make it. Dyno Test: Single-Plane Versus Dual-Plane Intakes. “Dual-plane manifolds are often called 180-degree manifolds because of this,” says Smith. Each component undergoes a detailed manufacturing process that involves the hundreds of calculated and precision steps to ensure the finest quality possible. EDL-7576) is a dual-plane 180-degree design. I also had a single plane intake vs the air gap with the carb. Second issue was. Figure 1: A simple plane pendulum (left) and a double pendulum (right). Also new power brake booster and dual master for safety. The 14" unit offered by Moroso, is highly recommended. Dart Single plane Intake manifold 4500 series. 5 gears and 35" tyres. I heard of the dual plane vs single argument but if the Sniper is any indication the MSD will run like a champ on the Performer so long as the ignition system is not an issue. With a single plane intake, it is VERY important to turn both screws the exact same amount. Edel & Weiand both make dual-plane & single-plane intakes for 400 Clevelands. Same thing as a dual plane intake helps low end torque. Love my Sniper kit, I've had it on the car since April. Sheet Metal Fabricated Intake Manifold LS1/LS2/LS6 Single Plane EFI + Fuel Rail Kit Black with Sniper EFI logo - Now includes mounting provision for MAP sensor on rear of Intake plenum. Our test platform details for Holley HP EFI dyno run: Dart 440cid engine, 10. Here is the combo: Ford 306 Cube Edelbrock Performer RPM heads (#60329 - 60cc, 1. Yes, you gotta deck the pedestals, screw-in studs etc. Edelbrock Part # 7101 Performer RPM intake manifold is designed for 1955-86 262-400 c. 355 small block chevy. On the other side since single plane intakes usually have more even air/fuel distribution to each cylinder I can see why some posts state that FiTech systems operate better on single plane intakes. Dual plane intakes can potentially cause hard start Issues ". This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. So I saw one of the recent Engine Masters programs on YouTube, and they had greater success with the Terminator EFI system with a single plane manifold on a 5. 827071 Fabricated Intake Manifold SBF Dual Quad Single Plane Carbureted Silver with Sniper logo 827072 Fabricated Intake Manifold SBF Dual Quad Single Plane Carbureted Black with Sniper logo 829081 Hi-Ram Fabricated Intake Manifold 2005-10 Ford 4. Small Block Chevy Cast Iron Intake Manifold Dyno Charts Can You Use Some Extra Horsepower? A stock cast iron intake is the most restrictive item on a small-block Chevy racing engine. Plus a test of the Air-Gap vs Regular dual plane intake manifolds. 13 Hello all, I have this intake that I bought a LONG time ago. 00 stroke -Protru -20cc dish pistons, 10. You are best off with a low rise single plane intake. Edelbrock 3502 $150. Less flow restriction. I suppose you're pretty limited with manifold selection for NSS because it would be a lot better with a single plane. So in a nut shell I am happy with the XT intake vs a single plane. DON'T MATCH A 4V TO SINGLE PLANE AND EXPECT TO OPERATE DECENTLY BELOW 5500 RPM. Dart Machinery, LTD. We spent some time with FiTech owner, Ken Farrell, and asked him a few questions an enthusiast might have when making the swap or building an engine designed to utilize this modern technology. All it says on it is Edelbrock F351 4V. Id go the TP dual plane high-rise. It has been good, but never really been perfect. It would be ideal to have both, both the choice come down to where you want you power production. Iron EAGLE s/s 23 ° 170cc (96-99 Vortec Intake Face with Self-Aligning Rockers) 67cc Chambers - 1. Straub just did a cam for a 528ci pump gas p-51 street build peaked at 5600rpm with 20 degree split250/270!!!!! Cheers, Bob Cheers. A machine shop machined it for the plenum divider. Anyways, they ran one for 10 minutes and then dyno'd it. I saw a test on a MOPAR where it was the same engine and the results flew in the face of the same sort of test done with a SBC - where the dual-quad intake actually did a little bit better (meaning about 3 HP and about 5 higher on torque) vs. In my case, I have a dual plane intake manifold where the intake runners left/right are separated. You should be solidly in the 10's for sure ! [smilie. Also new power brake booster and dual master for safety. It also supports higher rpm better than many dual plane intakes. So the dyno testing confirms what Ken Farrell said, ie. All intakes have full sized injector bungs, with plenty of room for most styles of injectors. Some years ago, we did a dyno test of a small block Mopar 408" (see our dyno test #19. 302 vs 351 dyno 302 vs 351 dyno. So I got the XT just for low end. To help our customer's shop hassle-free, we have categorized our products. They then pulled it off and had their carb guru tune a carb and ran it on the dyno. Also, the TFS aluminum 215cc heads now have had nearly 50. So in a nut shell I am happy with the XT intake vs a single plane. In my case, I have a dual plane intake manifold where the intake runners left/right are separated. 2 ft/lb : A modern, well developed, single plane intake (this is the reason you haven't heard it about Mopars yet, there aren't any unless you build your own) will perform just as well if not better than a good dual plane, over a wider RPM range, in most situations. Re: Dual Plane vs. 3mm (1/8") thick T6061 Sheet Aluminum construction, strong and durable for high horsepower and boosted conditions. It's 100% related to cam LSA, along with other minor things like cast exhaust manifolds, catalytic converters and resonators which smooth out the exhaust pulses and soften the sound. A large single plane with it's open plenum design will not start moving air unless you have large cubic inch motor , lots of compression or until you start getting your rpm up. 579; 1 3/4" dyno headers with 18" collector; Timing set at 37 degrees. As such, using a single or dual-plane intake will have the same effect on EFI as it would on a carbureted engine. Provides power like a single-plane and throttle response like a dual-plane. Meaning, the low speed ports are going to get the exact same fuel, as well as high speed ports, at all RPMs. Same basic Cobra intake that Shelby put on his 289s, he just had Edelbrock cast the different name in them. LESSON: IF YOU HAVE DUAL PLANE, OR AS IN MY CASE, A FTY SPREADBORE INTAKE, AND IF YOU ONLY PLAN TO OPERATE BELOW 6500 RPM, USE IT. 302 vs 351 dyno 302 vs 351 dyno. Also new power brake booster and dual master for safety. Mick, going of those dyno results in that other thread, the dual plane high rise type should be the winner. Amc 360 dyno results Amc 360 dyno results. Also, the TFS aluminum 215cc heads now have had nearly 50. The dual plane intakes tend to idle better and run better at lower RPM's which is where most people need them to run well. Edelbrock® - Single Plane vs Dual Plane Manifolds Edelbrock® - 2018 Catalog Edelbrock® Performer™ EPS Dual Plane Intake Manifold by Edelbrock®. about 50 ft lbs torque less with the single plane at 3500-3800 rpm. 5 rockers, dual plane EPS intake, SL-600 carburetor, NKB heads, and an HEI distributor. Test 1: Holley Single- vs Dual-Plane Intake on an LS3 Test 2: Fast LSXR vs Mast Carbureted Single-Plane Test 3: Stock LS7 vs MSD Atomic for LS7, Modified LS7 Test 4: Stock LS3 vs Speedmaster IR on a Modified LS3 Test 5: Stock LS3 vs Speedmaster Fabricated Intake on a Mild LS3 Test 6: FAST Adjustable LSXR Intake on a Mild LS3 Test 7: Stock vs. Unlike the single-plane manifold that has overlapping pulses every 90 degrees of crankshaft rotation, the dual-plane manifold only sees an induction pulse every 180 degrees of crank rotation. Founded in 1978, Cam Motion has a long history of helping racers win major championships at the highest levels of racing. Head porter Gil Mink readies this Prestige Motorsports 496-ci street engine for dyno testing. Dual-plane runners are slightly longer at 11 and 10 inches, respectively; and the cross-sectional area of the runners are dimensionally fixed in commercially available manifolds. Roy, The bore and stroke are the same although my crank is cast and rods are I beam, your CR is higher, 9. Single- and Dual-Plane Intakes. Being a Dual-plane manifold, I've read on a lot of american forums that I am probably more suited to. Plus a test of the Air-Gap vs Regular dual plane intake manifolds. 5-inch or a single 3. In the interest of "full disclosure", the air that day was horrible. Edlebrock tells us that the Performer dual-plane series is the right choice for the purposes described above, and that their single-plane manifolds are not. 216/228, 0. They have designed carb spacers for almost every conceivable combination there is. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Single-Plane Intakes. Dart Machinery, LTD. The larger plenum area is less restrictive and supports a higher power. single plane w/plenum divider, vs dual plane??? Post by 3pedals » Mon Oct 13, 2008 7:22 am can a fabricated plenum divider help a large single plane intake perform as well at low rpm as a dual plane? - specifically for a street/strip application. Last fall I made a custom drop base for my Trans Am. Black 1985 GT: 408w, in the 6's in the 1/8 mile Color TBD 1988 LX 5. When using a. The engine lost some power down low but gained up high. Ford's Windsor powerplant becomes the second engine for our mobile chassis dyno. Single plane vs dual plane. Plus a test of the Air-Gap vs Regular dual plane intake manifolds. a good single plane can beat a good dual plane from 2500 RPM on up. Aluminum Dual-Plane M1 Four-barrel Intake Manifold Heavy-Duty Single Valve Springs with Dampers Premium Valve Stem Seals Forged Steel Crankshaft Premium Double Roller Timing Chain and Sprockets High-Performance Electronic Distributor Specifi cations Bore x Stroke: 4. Dart Machinery, LTD. The Offy had a smoother idle and better low speed throttle response. ( lil_bobby_260 ) Holden 186-202, Ford 200-250 (pre & crossflow), 245-265 hemi. Good scenario, dual-plane with the divider machined down. Both of the engines I've worked on with them had dual planes, no spacer, so that can be worked around. 555 114 icl 110 lsa. Rich from fastman efi got back to me stated all tbi efis benefit from a single plane manifold. With our selection of intake manifolds, you can match your engine setup with the perfect single plane or dual plane manifold, single or double carburetor intake manifold, tunnel ram, hi-rise intake manifold and more!. 750 stroke crank and 6. Choice of bright silver or black anodized finish. 624-inch lift and 281/297-degree duration, which is designed to make power in the 2,000-7,000 rpm rev range. Display Options. In my case, I have a dual plane intake manifold where the intake runners left/right are separated. Gonna see if swapping a dual plane intake out for a single plane intake actually does anything at all positive for FiTech TB EFI. @4,000 rpm. Single Plane Intakes - EFI I have not run it on a single but can say the two single planes I have used it worked great on, but feel the same as Chad and you about do you gain enough to give some up down low I would say dependin on converter and gears in the car maybe more down low is still better and give some on top up. The biggest issue the dual plane can cause with TBI is cold start problems from the fuel condensing in the runners before getting to the cylinders. The design improves air velocity through the manifold and carburetor, which improves engine efficiency at low to moderate speeds. We tested it vs the stock Throttle body and others. Plus a test of the Air-Gap vs Regular dual plane intake manifolds. with smaller cfm carbs they work at wot you will make more power. Bottom end response would be better with the dual plane. I didn't bother with a tow dolly this time and drove to the dyno. The Weiand alum. Single plane isn't better until 5000 rpm, and then only marginally better. 454 Chevy Big Block V8 Air and Fuel Delivery parts in-stock with same-day shipping. I'm right in the middle of an engine rebuild and am using Edelbrock Performer RPM aluminum heads. Note how both carburetors are centered over the runners. dual quad is the ultimate performance piece at this time for the Poly motor. Thnx @holleyperformance for the HP ECU! - #atkengines #atkhighperformanceengines #engine #engineswap #lsswaptheworld #lsx #ls3 #hotrod #horsepower #torque #crateengine #efi #ls7 #Chevrolet #boost #corvette #ctsv #LQ4 #. The other thing that I found interesting on the dyno sheets was how the T1 seemed to be "coming back" at higher RPM. The single plane intake does hurt bottom end some. The best manifold in the test was the Performer RPM Air Gap, which offers the midrange and bottom-end pull of a dual plane intake, but the high-rpm horsepower of a high-rise single plane. a good single plane can beat a good dual plane from 2500 RPM on up. Fitted with the Scott Cook dual plane intake, the CHI 3V heads made right at 400 HP and 400 ft-lbs of torque (420 HP and 420 ft-lbs when corrected for the dyno absorber) through the mufflers. I have run tri-power and dual-quads on many cars and had spectacular results. The manifold pressure may very low to high side ports, but the TBI only sees one side, cant say which though. a good Edelbrock single bbl intake. The results were disappointing. Watch the video below to see the dyno results for yourself. Holden Grey motor, Red motor, Blue Motor Ford 170, 200, 250, Crossflow 200, 250 Chrysler Slant 6, Hemi 215, 245, 265 And everything above, below or in between Figure we will see where this thread goes- hopefully far, as the p-plate laws are bringing a lot of young drivers back to old school cars with pre-EFI. *Results*: 501 HP @ 5,100 rpm/525 lbs. The straight-six engine gets a big horsepower boost with a custom-designed turbo setup. single plane composite intake on a 410-inch SBC dyno mule. As for the single-plane vs dual plane argument I love single-planes. Dyno Test: Single-Plane Versus Dual-Plane Intakes. Single Plane Intakes - EFI The recent N2O on a dual plane article in HRM may be instructive as the issues there was the concern over mixture distribution with a dual plane vs. Thnx @holleyperformance for the HP ECU! - #atkengines #atkhighperformanceengines #engine #engineswap #lsswaptheworld #lsx #ls3 #hotrod #horsepower #torque #crateengine #efi #ls7 #Chevrolet #boost #corvette #ctsv #LQ4 #. A single plane manifold usually superior above 3000rpms due to the runners having a "straighter" path than they would with a dual, with its asymmetrical runner design, ensuring better, more even mixture distribution and flow between the eight cylinders making it superior at high rpms. Can't say how much high rpm gains was due to the single plane because I did the change during a rebuild when I made some other minor mods. Polished intakes also available. Dual plane vs single plane manifold on boosted blow through setups a member did run his engine on the dyno while checking his individual cylinder a/f ratios. Vortec tech sheet - H05. XT manifold without a doubt picked up a lot of low end. I tried the Offy dual port on a Buick V6 and a Weiand single plane on the same motor. Head porter Gil Mink readies this Prestige Motorsports 496-ci street engine for dyno testing. 302 vs 351 dyno 302 vs 351 dyno. The set up is 990 with it drilled for injection, 850ish for efi hardware 1000cfm throttlebody with all the linkages need to hook it up, 250ish for 14" extreme flow drop base filter. I have a dual plane on my car that took 2 weeks 6 to 8 hours after work. We spent some time with FiTech owner, Ken Farrell, and asked him a few questions an enthusiast might have when making the swap or building an engine designed to utilize this modern technology. Edlebrock deliberately designed the 2665 4V performer port like that for a reason and that being to keep good. It'll be interesting to see what it runs in the car. 302 vs 351 dyno 302 vs 351 dyno. Dual Plenum Intakes. Rpm, and the 300-36, they were so close, the differences (3-4 hp total spread between the three) were within what I consider the expected pull-to-pull. I saw a test on a MOPAR where it was the same engine and the results flew in the face of the same sort of test done with a SBC - where the dual-quad intake actually did a little bit better (meaning about 3 HP and about 5 higher on torque) vs. Dual planes typically start to fall off over 5k rpm or so. Plus: we visit this year's PRI event in Indianapolis. 460 Ford Single Plane C-460 Head. As such, using a single or dual-plane intake will have the same effect on EFI as it would on a carbureted engine. Replies: 2 Views: 486; Last Post By: Last Post: 11-22-2018 10:01 AM by John Thompson. Single plane (31) Dual plane (3) Cylinder Head Style (application) Brodix -10 (3) Brodix -11 (1) Narrow Your Results By Vehicle: Results 1 - 25 of 71 In-Store Pickup Location Select. Single-plane, small-block Chevy runners average about 10 inches long on the outboard runners and nine inches on the inboard runners. You Have Selected. It's definitely doable to make that power and run that fast in a NA 5. The Hi-Ram design increases air velocity while evenly distributing airflow to each individual cylinder, a great option for high-horsepower and racing applications. I have been very. Obviously the combination required more airflow than the single throttle body could muster, so the dual 4150 throttle bodies allowed the system to breathe. A single plane intake will flow more air than a dual plane intake for the same engine! Does that make it better? In about 90% of the cases, that's a big no good, buddy! In fact, in 90% of the cases, a dual plane intake will outperform a single plane. The dual plane specific carb spacer for my dual plane intake definitely added some upper end HP as my engine use to die instantly starting at 5,500rpms such that it was totally pointless while drag racing to even keep her in gear past 5,500rpms. Was soggy down low and with normal driving. HRE Sheet Metal Intakes. Unlike the single-plane manifold that has overlapping pulses every 90 degrees of crankshaft rotation, the dual-plane manifold only sees an induction pulse every 180 degrees of crank rotation. Order fast. 175rwhp and 172tq. The dual-plane Performer RPM showed its torquey nature by bettering the long-runner LS1 at less than 4,600 rpm. The lack of resonance limits low-speed torque, which can affect throttle response and drivability off slow corners, and also impacts fuel economy in the sense that it requires more engine speed and more throttle opening to produce effective torque. 4Vforever;286139 Wrote:The best all round intake (price and performance) would be the RPM air gap, but if price isn't a consideration, then the Scott Cook dual plane would be the pick. Plus a test of the Air-Gap vs Regular dual plane intake manifolds. I currently have Edelbrock Torker (early style with the twisted carb) on my 289. Holley Sniper Hi-Ram Fabricated Intake Manifolds are available for popular Chrysler, Ford, and GM engine platforms. Being a Dual-plane manifold, I've read on a lot of american forums that I am probably more suited to. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Within a V-8 engine, the induction cycle of each cylinder is long enough that its combustion process will overlap the next cylinder in the firing order. The dual plane pulled smooth and hard all the way through, but the T1 almost seemd to "miss" a little in the RPM range where the torque fell off. In fact, it took top honors in this test by producing 620 hp (okay, 619. We also recommend the Edelbrock RPM dual plane intake. Use of Site. Specifically, is it a single plane or dual plane unit? If I was looking at it, how could I tell the difference between single or dual plane? Thanks - Jim. At work I run the motor dyno. a good Edelbrock single bbl intake. Honestly i was figuring it would break the 600hp mark, but then again the dyno could be a little on the conservative side. The smaller plenum found in a dual-plane intake, favors power production at a lower rpm range. A dual-plane manifold splits the plenum in half. Better scenario is a dual-plane with a spacer. First I want to agree with Todd Eichel that the Cessna 172 and 182 make good choices. Rule: "Single-plane" is better at high RPM; "Dual-plane" is better at low RPM. Bottom end response would be better with the dual plane. We are going to run a edel. With the ability to have a superior routing from the plenum to the port runner, a single-plane has a far better chance at producing big top-end numbers, but success is. Dual planes typically start to fall off over 5k rpm or so. Some years ago, we did a dyno test of a small block Mopar 408” (see our dyno test #19. We already have a 650D-pumper. 8V6 Commodore at the lights, with 3. Edelbrock single plane (Victor Jr) vs dual plane (Air-Gap) intake manifolds on the same engine in a dyno test at Westech Performance. I agree - yet some don't ! It was stated that the high rise dual would suit a combo running a cam less than 240 @. I have seen the 4 end runners within 10 CFM of the outers. Therefore, if your goal is WOT running above 5k rpm, single plane with double pumpers sized at approx. A dual-plane. The GSR vs ITR comparison is easier to answer, the single runner of the ITR makes much more top end power compared to the dual runner manifold used on the GSR, considering that the ITR engine revs to 8600 rpms it needs a lot more air flow at higher rpms and the dual manifold chokes up at anything over 8000 rpms. So in a nut shell I am happy with the XT intake vs a single plane. Kickdown cable disconnected to keep it there. It is VERY combo dependent. 624-inch lift and 281/297-degree duration, which is designed to make power in the 2,000-7,000 rpm rev range. 3x2 Dyno Tests - Edelbrock VS Offenhauser It is essentially a single plane intake with dividers in the last 3 inches of the ports going to the heads. I have run tri-power and dual-quads on many cars and had spectacular results. We spent some time with FiTech owner, Ken Farrell, and asked him a few questions an enthusiast might have when making the swap or building an engine designed to utilize this modern technology. In that respect, it's no different than a carb. Again this is contrary to experience on streetable stock displacement 351C's. The Victor is quicker on my combo, but it took quite a bit of tuning to get it that way. I have a larger cam than you do (236/236. A large single plane with it's open plenum design will not start moving air unless you have large cubic inch motor , lots of compression or until you start getting your rpm up. The Offy had a smoother idle and better low speed throttle response. We are going to run a edel. I'd like to use a single plane type intake if I can find one. The hp and torque numbers are very impressive. BEST 460 single carb manifold, opinions? Search May 04, 2020, 02:19:32 AM Stealth Dual Plane Ford Motorsport Single Plane "Spider design" Intake Runner with an 800 Holley is working well for me. 10024370 - Bare Head - Center bolt valve covers only. 302 vs 351 dyno 302 vs 351 dyno. If you look FAST and Holley don't recommend running their systems with dual planes. CHICAGO, BUSINESS WIRE -- Hostway reminds trademark holders to register a. One thing Davin points out, however, is that a dual-plane manifold like the aluminum Edelbrock piece the 289 uses necessitates the use of a spacer or cutting down the separator in the plenum. The main issue with obtaining the best performance using a carburetor is that it can't monitor the air to fuel ratio for. This 1973 Camaro has an LQ4 truck motor bottom end with LS3 heads, and lays down solid numbers on the dyno. What We Like: Torquey nature of dual plane What We Don't: Loses out on the top end compared to single plane. DON'T MATCH A 4V TO SINGLE PLANE AND EXPECT TO OPERATE DECENTLY BELOW 5500 RPM. The GSR vs ITR comparison is easier to answer, the single runner of the ITR makes much more top end power compared to the dual runner manifold used on the GSR, considering that the ITR engine revs to 8600 rpms it needs a lot more air flow at higher rpms and the dual manifold chokes up at anything over 8000 rpms. Id go the TP dual plane high-rise. I saw a test on a MOPAR where it was the same engine and the results flew in the face of the same sort of test done with a SBC - where the dual-quad intake actually did a little bit better (meaning about 3 HP and about 5 higher on torque) vs. Single Plane Intakes - EFI I have not run it on a single but can say the two single planes I have used it worked great on, but feel the same as Chad and you about do you gain enough to give some up down low I would say dependin on converter and gears in the car maybe more down low is still better and give some on top up. Had they took the time to jet the system for a killer 505 with 2 inch primary tube headers-the results would have been very different. @4,000 rpm. a good Edelbrock single bbl intake. Engineering designed these intakes to make maximum peak power without sacrificing the low end torque normally only associated with dual plane designs. If your intended carb is too small for the engine (as this 950 is for the 572-inch big-block), a street single-plane makes better results than a dual-plane intake. i never lost any TQ that i seen or needed. I'm looking at possibly trying to use an Edelbrock Torker A331 manifold. dual-plane manifolds, we wanted to perform a “real-world” drag strip test. Tested on the ProMaxx-headed 347 stroker, the intake teste once again illustrated the single/dual-plane conundrum. On the first with iron 4V heads, In those tests, a ported Ford aluminum dual plane made 31 HP and 23 ft-lbs more than an unported Blue Thunder. Conventional thinking is the dual plane should produce more torque , this is shown to not apply with this combo. Victor Jr, vs RPM Air Gap, vs rpm intakes. Test 1: Holley Single- vs Dual-Plane Intake on an LS3 Test 2: Fast LSXR vs Mast Carbureted Single-Plane Test 3: Stock LS7 vs MSD Atomic for LS7, Modified LS7 Test 4: Stock LS3 vs Speedmaster IR on a Modified LS3 Test 5: Stock LS3 vs Speedmaster Fabricated Intake on a Mild LS3 Test 6: FAST Adjustable LSXR Intake on a Mild LS3 Test 7: Stock vs. Don’t know the specs of my cam, have ported heads with 1. divided carburetor spacer on a dual plane intake manifold. 030 bore X 4. The carburetor contains jets that will push the gas into the combustion chambers. Dual Plane Intake shown below. Second a $130 air gap dual plane. Dual planes and N2O is a big no-no. Edel & Weiand both make dual-plane & single-plane intakes for 400 Clevelands. The hp and torque numbers are very impressive. Shop for affordable electronic fuel injection systems developed using OEM-level components, walkthrough FiTech Fuel Injection. To help our customer's shop hassle-free, we have categorized our products. 302 vs 351 dyno 302 vs 351 dyno. In my experience, the variation among examples within an intake types can be greater than the variation between single and dual plane. Tested on the ProMaxx-headed 347 stroker, the intake teste once again illustrated the single/dual-plane conundrum. a good single plane can beat a good dual plane from 2500 RPM on up. Edelbrock Part # 7524 Dual-Quad HEMI intake manifold is intended for use with Mopar Gen II (1964-71) 426-572 HEMI engines operating in the 2,500 to 6,500+ range. Black 1985 GT: 408w, in the 6's in the 1/8 mile Color TBD 1988 LX 5. The single plane intake does hurt bottom end some. Id go the TP dual plane high-rise. If your intended carb is too small for the engine (as this 950 is for the 572-inch big-block), a street single-plane makes better results than a dual-plane intake. The Hi-Ram design increases air velocity while evenly distributing airflow to each individual cylinder, a great option for high-horsepower and racing applications. well i ran tunnel rams on the street and only took it off for a blower i have a customer with a tub out 57 chevy pickup that drives it every were with a tunnel ram bbc. Single or dual plane intake manifold with "tbi" style efi? If this is your first visit, be sure to check out the FAQ by clicking the link above. Exclusive Content Original Shows, Motorsports and Live Events. I have a dual plane on my car that took 2 weeks 6 to 8 hours after work. Sniper EFI on my 66 300. Here is the combo: Ford 306 Cube Edelbrock Performer RPM heads (#60329 - 60cc, 1. 579; 1 3/4" dyno headers with 18" collector; Timing set at 37 degrees. with a big 850 Holley made the most peak horsepower, but it needed a lot more RPM and wasn't very strong in the midrange. Our EFI Dyno Run. a good Edelbrock single bbl intake. Our test used the single plane intake. Comp/FAST recommended the same thing after talking to them about it today. Receive a discount equal to the price of a single tire when four tires are added to the cart. This 1973 Camaro has an LQ4 truck motor bottom end with LS3 heads, and lays down solid numbers on the dyno. Vortec tech sheet - H05. On the other side since single plane intakes usually have more even air/fuel distribution to each cylinder I can see why some posts state that FiTech systems operate better on single plane intakes. It is very similar, but is split pattern. 600 and plate honed for maximum performance. These are our most popular Ford engines, but we can design and construct a custom engine for any application from street to competition, please call discuss your project. Chevy V8's for maximum power and a broad torque curve for high- performance street/marine engines. Single plane because as mentioned, the TBI system has one fault and it is manifold pressure across a dual plane intake. Other aftermarket factory height intake. Reminder on the specs: new (re-manufactured) Small Block Ford (302) with stock heads, stock roller cam, Weiand 8124 dual plane intake manifold, stock cast exhaust manifolds (02 sensor is on the passenger side), new full exhaust system (Y-pipe to a single tail pipe and muffler), new Pertronix stock-look distributor with Igniter III module and. The dual plane, 180° designs feature a multi-level plenum design that essentially separates adjacent intake pulses by alternating planes, while the single plane, 360° models feed all cylinders. Funny thing is I always wondered how the FiTech with a airgap would perform next to. The Weiand Xcelerator is the only choice in your situation. - if it's a strip build, far easier to port a single plane than a dual plane if after a larger CSA for higher. Here are some results from the L&M TB test. In other words, you are not making a poor single-plane intake from a dual-plane concept. EDELBROCK SUPER VICTOR II INTAKE MANIFOLD FOR SBC CHEVY. The final touch was to install the Edelbrock 454-O victor Jr. Both of the engines I've worked on with them had dual planes, no spacer, so that can be worked around. Jump to Latest Follow i think its kinda tilted to the dual plane , since its a 350 , mid range rpm at best ,, and a 215 head ,, a 750 vs would have done better on the single plane too ,,, they were taking it down to 2500 ,, that ,, is a great way to break a crank in itself , a 750 vs would have. RPM AirGap with a carb (new intake with carb is Combination #3). 0L mill which came from the factory in some of GM's harder working vehicles in the late 90s and early 2000s. I now have 1" open carburetor spacers, so the left/right side of intake is now "mixed between right/left" just under the carburetor. A high rise, dual plane design works well for a lot of applications. 058 less exhaust lift, my LSA is 110 vs 108 (apples to oranges comparison. You can also choose a Holley 750 carburetor CFM with electric choke. It is a dual plane and works well on the street or track. Single-Plane Intakes. The dual plane pulled smooth and hard all the way through, but the T1 almost seemd to "miss" a little in the RPM range where the torque fell off. If you're deadset on N2O then the Torker is out, too. Dual-plane manifolds have longer intake runners than a single-plane design and are ideal for low- to mid-range power production in the 1,500-5,500 rpm range, which results in good idle quality. Those tires for which discount is available will be identified in search results & product detail pages. Choice of bright silver or black anodized finish. The extra 2-3 hp offered by the Victor Jr. I believe it is more complex than saying that intake X is the best or that dual planes are superior to single planes below some RPM. This design of spacer maintains the integrity of the dual-plane 180-degree induction pulse separation concept. I suppose you're pretty limited with manifold selection for NSS because it would be a lot better with a single plane. a good single plane can beat a good dual plane from 2500 RPM on up. STREET DOMINATOR® SERIES (SINGLE PLANE): The Holley single plane Street Dominator series was designed for use in the idle to 6000 RPM range. A single plane intake will flow more air than a dual plane intake for the same engine! Does that make it better? In about 90% of the cases, that’s a big no good, buddy! In fact, in 90% of the cases, a dual plane intake will outperform a single plane. Single and Double plane pendulum Gabriela Gonz´alez 1 Introduction We will write down equations of motion for a single and a double plane pendulum, following Newton’s equations, and using Lagrange’s equations. But on a street engine, how much time do you spend above 4500 rpm? To each his own. You can run a drive by wire throttle body set up, or you can use non-electric throttle bodies. Single-Plane Intakes. The dual-plane makes more low-speed power, while the single-plane makes more top-end power. Dual planes typically start to fall off over 5k rpm or so. It is VERY combo dependent. 25 and yes, they tested the new intake vs. Edel & Weiand both make dual-plane & single-plane intakes for 400 Clevelands. Even though the RPM Air Gap is a dual-plane intake manifold, a divided spacer can cause some power loses because the divider will cover the cutout in the plenum wall. Now yes it is easier to tune due to the equal runners but single planes have drawbacks they have a very weird fuel floor and it acts very funny when it becomes heat soaked. Dividing this small signal between both primaries in a single-plane manifold results in a weakened air flow through the carburetor, resulting in poor low RPM performance. 1 st tune – Single 800CFM AVS Thunder carb. I'm going with an Edelbrock Torker II single plane with a FiTech system. Oh make sure you have hood clearence. FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications EFI Single Plane - Intake Manifolds JavaScript seems to be disabled in your browser. So in a nut shell I am happy with the XT intake vs a single plane. The tbi efi must do a lot better job of even fuel atomization than the carb on a single plane, plus lots of these tbi efi units pull the map reading from one side of the carb and i think have problems sometimes with the dual plane divider providing pulsing manifold pressure. 429 / 460 Single Plane Dominator. XT manifold without a doubt picked up a lot of low end. This combo isn't held back by rules, so a solid roller, single plane set-up can really make some power. To help our customer's shop hassle-free, we have categorized our products. Edelbrock® - Single Plane vs Dual Plane Manifolds Edelbrock® Performer™ RPM Dual-Quad Dual Plane Large Port Intake Manifold by Edelbrock®. The top-end numbers produced demonstrated about 30 hp more than a typical single-plane single-carb. Moving on to the single-plane Edelbrock Victor Jr. a good Edelbrock single bbl intake. It got me wondering if the Terminator EFI system, being a below blade throttle body. I believe it is more complex than saying that intake X is the best or that dual planes are superior to single planes below some RPM. SBC Hot Rod Valve Springs; Builds. Hi all - a while back I promised that Id do a genuine comparison between the Modman intake with dual quad top plate and the Edekbrock 5. Here we have a high. Overall, the dual plane intake test required the better part of three days, but we think accurate results were well worth the effort. Dyno Results. Production casting test results coming soon! Stay Tuned…. 3L LS crate motor. Yes, there are companies that make 180* single plane intakes for Caddies. Single Plane vs Dual Plane Manifolds - Duration: 6:53. As for the intake manifold, it is a new product just released from Eliminator products. A dual-plane intake manifold produces more low-end torque than a single-plane intake, at the expense of high-RPM power. Rich from fastman efi got back to me stated all tbi efis benefit from a single plane manifold. The final touch was to install the Edelbrock 454-O victor Jr. Harassment in any manner or form on the site, including via e-mail, chat, or by use of obscene or abusive language, is strictly forbidden. Just wanted to hear some opinions on intakes. Paul would be the definitive authority with actual dyno info, but my "seat of the pants" reaction is that the only readily available "upgrades. In theory a magum motor (close to stock) would work better with a dual plane until you get rid of the tiny cam and get the compression up a point or so. Ive seen it stated a few times for boosted blow through setups to use a single plane manifold over a dual plane manifold for more even fuel Create Topic. Running the Cleveland heads you got with the core block saves you big dough. Also new power brake booster and dual master for safety. I have the 1206 FelPro intake gaskets, and held them up to compare on the heads and the two intakes. The Victor is quicker on my combo, but it took quite a bit of tuning to get it that way. about what you'd expect from a small runner single-plane vs. Single plane because as mentioned, the TBI system has one fault and it is manifold pressure across a dual plane intake. Now yes it is easier to tune due to the equal runners but single planes have drawbacks they have a very weird fuel floor and it acts very funny when it becomes heat soaked. It's definitely doable to make that power and run that fast in a NA 5. Edelbrock® - Single Plane vs Dual Plane Manifolds Edelbrock® - 2018 Catalog Edelbrock® Performer™ EPS Dual Plane Intake Manifold by Edelbrock®. The fast acting cam with 224 dur and moderate lift of 566 is a good street cam if mated to a dual plane intake. Cam is SRT MAX PLUS 219/227 -. Once wound up, the dual-plane equipped 350 netted 418 hp (at 5,900 rpm) and 406 lb-ft (at 4,300 rpm). Dyno: DynaPack 4022 Dynamometer. With a typical single-plane, 4-barrel-style intake, early in the tuning procedure, you need to apply measurably different fueling and ignition strategies to each of the cylinders. From a performance perspective the best known engines are the 427s found in the original 427 Cobras, Galaxies, Fairlanes, and Cougars, and the. BEST 460 single carb manifold, opinions? Search May 04, 2020, 02:19:32 AM Stealth Dual Plane Ford Motorsport Single Plane "Spider design" Intake Runner with an 800 Holley is working well for me. 460 Ford Single Plane C-460 Head. To maximize performance, the runners are staggered so the carburetor sees an equal amount of draw at all times, and that requires a top and bottom plane. 5:1 compression ratio; Dart Pro 1 215cc heads; Holley throttle body on Dart single plane manifold with Holley HP EFI plenum spacer; COMP Cams hydraulic roller cam 254/266. We spent some time with FiTech owner, Ken Farrell, and asked him a few questions an enthusiast might have when making the swap or building an engine designed to utilize this modern technology. of torque while losing 7 hp over the single plane I'm going to leave my engine alone. I have seen the 4 end runners within 10 CFM of the outers. All packages can be taylored to meet the customers needs. Extensive dynamometer testing confirms that Stealth is the ultimate dual plane on the market, with a power range from idle through 6800 rpm. Go with a dual plane intake. Dyno Results. 13 Hello all, I have this intake that I bought a LONG time ago. 3:1) with our smaller 300cc oval port heads, and a dual plane intake. Same basic Cobra intake that Shelby put on his 289s, he just had Edelbrock cast the different name in them. so round 2100 and you dont have to modify fuel rails, (which i think ya do with come). Single plane intake -vs- Dual plane intake The charts below shows the torque and horsepower advantages between the two intakes used in the dyno test shown above. single plane w/plenum divider, vs dual plane??? Post by 3pedals » Mon Oct 13, 2008 7:22 am can a fabricated plenum divider help a large single plane intake perform as well at low rpm as a dual plane? - specifically for a street/strip application. Funny thing is I always wondered how the FiTech with a airgap would perform next to. This intake will raise your carb quite a bit more than 4" higher than stock. I agree - yet some don't ! It was stated that the high rise dual would suit a combo running a cam less than 240 @. Some of the key players in this equation include a factory LSA crankshaft, LS3 CNCed cylinder heads with ported intake runners, and a Comp Cams LSR roller camshaft with. The blue thunder is another great piece, but can be hard to find at times due to availability. To verify, screw in both screws until they bottom out, then unscrew both screws 2 full turns. 050” Top end:. intake designed to work with the oval-port heads. Engine Masters presented by AMSOIL is an all-new show on the Motor Trend Channel featuring parts testing and engine-to-engine shootouts. a good single plane can beat a good dual plane from 2500 RPM on up. Dual planes and N2O is a big no-no. The 302 gets a Performer RPM, which as you know is a dual-plane design, with a 750cfm (you choose the make) vacuum-secondary spreadbore. All testing was done on the same dyno,same day, same car, with all engine and blower temps being equal. This is a low compression setup, (approx. Started by Smallblocksperry, 02-18-2015 09:19 AM. The effective shift in the power curve meant that the dual-plane intake improved torque production up to 5,300 rpm over the single-plane, in some cases by as much as 26 lb-ft. Oh make sure you have hood clearence. Re: Dual Plane vs. We also recommend the Edelbrock RPM dual plane intake. Also you can find the hard to find triple deuce intake manifolds right here from top brands like Offenhauser, Edelbrock, Weiand, and Dart. Last time I posted the results it was comparing the Victor Dominator intakes, one port matched to the heads that are installed on this engine, and one just opened up to standard medium riser port size. 3x2 Dyno Tests - Edelbrock VS Offenhauser It is essentially a single plane intake with dividers in the last 3 inches of the ports going to the heads. Edelbrock® - Single Plane vs Dual Plane Manifolds Edelbrock® Performer™ RPM Dual-Quad Dual Plane Large Port Intake Manifold by Edelbrock®. The best manifold in the test was the Performer RPM Air Gap, which offers the midrange and bottom-end pull of a dual plane intake, but the high-rpm horsepower of a high-rise single plane. the engine will respond to the different manifolds in the same way, whether carbureted or TBI. New cam (nothing crazy, basically a tow cam for down low grunt) and lifters, new dual plane intake manifold (for more low end compared to the single plane I was running) and rebuilt/freshened up the trans. with vehicles never designed to do such things. I've read through various posts that say the the Edelbrock Performer Intake is a good choice for low RPM / drivability and the Torker is better choice for high RPM situations. It would be ideal to have both, both the choice come down to where you want you power production. I saw a test on a MOPAR where it was the same engine and the results flew in the face of the same sort of test done with a SBC - where the dual-quad intake actually did a little bit better (meaning about 3 HP and about 5 higher on torque) vs. 3,000, 11, 12. RPM AirGap with a carb (new intake with carb is Combination #3). Oh, and the Edelbrock intake is not a 180* intake - it is dual plane intake just like the stock one. Precision machined and dyno tuned $15,600 – #16,500. Single Plane Intakes - EFI The recent N2O on a dual plane article in HRM may be instructive as the issues there was the concern over mixture distribution with a dual plane vs. Edelbrock single plane (Victor Jr) vs dual plane (Air-Gap) intake manifolds on the same engine in a dyno test at Westech Performance. (All which include the same bolt pattern as the stock TB). A single plane intake will flow more air than a dual plane intake for the same engine! Does that make it better? In about 90% of the cases, that’s a big no good, buddy! In fact, in 90% of the cases, a dual plane intake will outperform a single plane. Re: Dual Plane vs. Die-grind that some if it makes you happy. Single plane because as mentioned, the TBI system has one fault and it is manifold pressure across a dual plane intake.