Pontiac 400 Dyno

Pontiac 468ci 500 Lb/Hp Street Heat Crate Engine 100% CNC Race Prepped Dead On Block, Bored. 0 block with forged rods and pistons (10. but if it was a good bit better than the ls1 and a good price i would be interested…. And Pontiac's big news was a pop-culture-inspired version of. This is from bone stock cars. Chevy uncorked some special-order super Chevelles. The GraveYard. Selecting a Hydraulic Cam for your Pontiac Engine. They had a local So. The heads will bolt to ALL traditional Pontiac blocks and do not require you to run any off-set lifters or rocker shaft systems. Buy Dyno-Boost Adjustable Performance Chip Pontiac GT 400 V8 * Authentic: Engine Management Systems - Amazon. We then went to a dyno. o6o over TRW Forged pistons Harland sharp roller rockers, SS Valves,1 piece Titanium Push rods, Pete Jackson Gear Drive, Mallory Unilite, Holly 4160,Crank cross Drilled Heat treated Polished,4 Bolt Mains. proformanceunlimited. Olds", Joe Mondello - Joe and Mike finish their buildup and test results on the engine dyno. Installing an Edelbrock Power Package on a Pontiac 455, Pt 1 Posted on June 2, 2015 by Jefferson Bryant in Engine , Racing , Tech // 0 Comments Performance modifications are typically a matter of trial and error, looking for that magic combination of what works for your engine in your situation. At Dyno Comp, we specialize in 2WD and AWD dyno vehicle tuning services for our customers in Phoenix, AZ, Scottsdale, AZ, and the nearby areas. four firebird to a record setting 9. with any 400 or 455-ci Pontiac block and most any. 96 P turbines. Roadkill Nights Is Back with More Drag Racing, Drift Rides, and Dyno Runs! Drag racing returns to Woodward Avenue this weekend. I had a 69 with a 400 and 6X heads and it would fry tires, 4 sp with 3:55s. 6cc chamber[10. This engine puts out 400 HP @ 527 Ft Lbs of TORQUE! Butler Performance Pontiac Videos Talken Engine Dyno. We use and abuse our test 350 small-block mule on the dyno with four COMP Cam swaps and give you all the numbers. the first thing i found on my 1406 running it on the dyno with 02 sensors in the pipes my car was running right on around 12:1 a/f ratio at wot, but not after dipping extremely rich in the transfer from part throttle to wot. 5 to 1) with a set of 799 heads with 918 springs. SBC - 1955-57 models have an oiling groove in the rear journal. Search Results for Pontiac 455 Engine Parts. 400 Pontiac High Performance balanced crate engine with cast heads Free Shipping. pontiac 400 stroker kit Ok guys im new to this site, I am building a pontiac 400 with an eagle 462 stroker kit, i need to know if i need a special oil pan for clearance purposes or if a stock replacement will work. Yellow Bullet Forums > Fire your bullets!!! > Build Threads > GM Builds: Twin Turbo 69 Pontiac Firebird RA-V. Trying to find a place that has a dyno testing for a 1969 gto 400 ram air, in new jersey thank you John - Answered by a verified Pontiac Mechanic. Price for top alone is $65. In the current times of LS-Swap Mania, fuel injection, and computer-controlled engines, it's nice to see there are those among us who still prefer old school carbureted engine 'plants to carry us down the street and the dragstrips across America. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Pontiac gave that engine a 255 net hp rating for 1971. 520 lift w/1. Pyramid design with carb mounting in-line. 120" bore and flat top pistons (no dome). smog 400 engine using unported 6X heads. That's because Neon was underrated. 6cc chamber[10. And a 525 HP pump gas 455 that runs 10. o6o over TRW Forged pistons Harland sharp roller rockers, SS Valves,1 piece Titanium Push rods, Pete Jackson Gear Drive, Mallory Unilite, Holly 4160,Crank cross Drilled Heat treated Polished,4 Bolt Mains. >typical warmed over, street 455 pontiac that is. lbs @ 4200 rpm 383 CID "Enforcer 575 Supercharged" Engine-racey idle 575 hp @5900 rpm, 532 ft. Chevy / Pontiac / GM Engines. 3 second ET at 96. 6” decal on the shaker hood scoop, it ran a 15. SBC - 1955-57 models have an oiling groove in the rear journal. is the Pontiac GTO 2006 really 400 horsepower, even when it's put on a dyno there are many disbelievers, if anyone knows, can they explain to me it's true horsepower and send me the link. Motor blew on the dyno. The term "Ram Air" first showed up in Pontiac sales brochures in 1968 as the highest-optioned engine for GTOs and were essentially the same as the 400 H. I went into this weekend hoping to make 400whp, and hence went all out with what 100 octane would give me. In 1977 Pontiac offered a new high performance engine package for the 400cid motor in the Can Am, Firebird Formula and the Firebird Trans Am. 0L LNF powered GXP model that came out a few months later as a 2007 model. See the huge inventory of parts below and click for more info. 1980 PONTIAC TRANS AM WS6 400 Pontiac TH350 POSI 3:08 NON ORIGINALTURD! Price: US $4,100. com (Bidder Service) Fri, 27 Sep. 023" deck height on 4. At West Bend Dyno Tuning, we're proud to offer the Hooker electric toggle switch kit. With 8 pounds of boost, it is expected to dyno around 340 hp on gasoline. I would say, you have one of the worst intakes for a Pontiac, too small of a carb for a Pontiac 400. New build in spring 466 same heads but opened up to 320 or so,new hyd roller cam similar to OF,new valve springs retainers keepers,intake opened up to match new intake ports. 93 ft-lbs on the dyno at T-hill. DCI Motorsports is your premier Pontiac engine builder. I had a 69 with a 400 and 6X heads and it would fry tires, 4 sp with 3:55s. Check out the Muscle Car Engine Shootout article and read the specifications on the GM small-block Chevy, big-block Ford, Ford Boss, Pontiac and more, inside Popular Hot Rodding Magazine. The thing we don't like to do on Desktop Dyno© is to look up camshaft information and then manually plug it in. We are able to do this because of our long time involvement in racing and performance street rodding 'and' because of our experience as a. 400 Pontiac Springtime as well as summer season is a time of adjustment as well as brand-new starts. The 265 cu in (4. SD Performance has spent an extensive amount of time on the dyno, at the track and on the street to develop some of the best performing Pontiac ported cylinder heads on the market today. What was most interesting about the 421 engine in the beginning was that it was a dealer installed option. See the huge inventory of parts below and click for more info. Pontiac 400 Engine Build – Pump Gas Pounder Then we’ll see how the engine performs on the dyno. We check out FiTech’s new fuel-injection system and put it up against a carburetor in a heads-up EFI dyno test on a mild junkyard LS engine. Dean House was in the process of restoring his 1967 Pontiac GTO, so he decided to bring us his 1967 400 to us for a rebuild. Today I took the car to have it dynoed at the rear wheels and check air-fuel ratios. And verry lil interior drone. Edelbrock Performer RPM heads produce outstanding horsepower with excellent low speed torque and throttle response. 11 inch intake and 1. As we all know things changed by '74 and the government had restrictions. Item&itemID=112&acctID=2342 [email protected] Click for more info about our Electric Motor Dynamometers. I have tried posting over at a pontiac web-site with no responses. For a serious performance car, consider a 400 block and the Eagle "stroker" kit (makes it a 461). What’s better then a fast car? A faster one! Known for making cars go fast, we patterned our performance shop after top Nascar race team facilities complete with engine and chassis dyno's, a full machine shop, and high tech performance shop to handle the multiple projects it takes to make the fast faster. Fresh pro built 358 cu. proformanceunlimited. 400 Pontiac High Performance balanced crate engine with cast heads Free Shipping. Skip to content. Therefore we did the work for you and compiled a list of nearly a thousand camshafts for all types of cars. Will this two-bolt main 400 block fitted with go-fast goodies make 600-plus hp on the dyno on 93-octane and live to tell the tale? Read on. Do you have a Pontiac GTO 58-06? We have the parts you want!. Click Here. Im running an 800 Holley DP and on the dyno with the wide band, it ran about 13. That project is the restoration of his 1969 GTO. This Camaro SS has a 6-speed manual transmission, so it is an LS3 model with 426 horsepower. Engine Dyno Service Pontiac 400 457 c. Now, let's add a later model into the mix. 27 would be set for a Small-Block Chevy. Best of everything. 00-inch main engines. Edelbrock is the most respected name in performance. It has a rod knock and needs a new crank. It’s destined for the engine bay of a street-driven ’65 GTO, so the team ensured it would play nice with pump gas and support creature comforts like air conditioning while delivering massive horsepower. I had a 69 with a 400 and 6X heads and it would fry tires, 4 sp with 3:55s. When building a killer Pontiac pump gas street engine, we feel that the combination of parts tends to be even more critical. The information below reflects the research conducted by Pontiac enthusiast/ author Pete McCarthy, much of which is from his book, Pontiac Musclecar Performance 1955-1977, as well as information gathered from many other Pontiac enthusiasts world-wide. He kept it simple with a RA IV cam and ported 6X heads, deamon 825 Carb, RPM intake, dougs headers and 3 inch pipe to the back. Crower, ARP, Eagle, GM Performance, Wiseco, Canton, SCP, Moroso, MSD, Stahl. From the dyno to the street, and on the track, ProCharger’s engineering and R&D teams go to great lengths to ensure your enhanced vehicle is everything you expect and more. I run an EFR6758 at 27-28psi on E47 and methanol injection. 706hp on 91 octane pump gas! 428 stock block, cast crank, [email protected] gto's are very rare and are hard to find with matchi. General Motors produced the Pontiac 455-cubic-inch V-8 engine from 1970 through 1976. 23 axle ratio. Pontiac gave that engine a 255 net hp rating for 1971. Butler uses only high quality crankshafts, rods, and pistons in their rotating assemblies as well as stock's many asse. Pontiac just left the print as it was at the original 310 number. Quality components, 400+ dyno-tested horsepower, solid warranties and great pricing all from an industry leading supplier – it’s a crate engine world and YearOne is helping ensure it stays that way. pontiac engine decoder year code c/i hp tran carb car misc 1962 13b 421 3 m 2 x 4 full super duty 1962 13u 421 4 m 2 x 4 full super duty 1967 xl 400 255 1967 xm. To correct for pop-up pistons, subtract dome volume from chamber volume. In 1973 Pontiac started stamping extra numbers (1/4" tall) on their heads. Pontiac's 400 The 400 ci was Pontiac's most popular V8 during the glory years, and a number of different blocks were produced in that time. 050 duration 224/230 Lobe sep. Edelbrock is the most respected name in performance. He has a 125 nos plate just for fun. 6L/400 SCE Gaskets and get Free Shipping on Orders Over $99 at Summit Racing! PONTIAC DYNO PAK INTAKE GASKET WITH XTR MATERIAL FOR PORTING , ST. Re: Pontiac 400 cam in a 350 September 23rd, 2016, 01:37 AM alright so i looked at the cams and 9. ** Use sheet stainless steel block off plate. Motor blew on the dyno. 1967 Pontiac Firebird 400 Sport Coupe specs, specifications, laptimes, acceleration times, pictures, photos, engine data, top speed Dyno prove that SRT-4 had 230. Kauffman Performance is dedicated to manufacturing the highest quality aftermarket Pontiac blocks available. It also never gets past 175 degs in hot summer traffic. Howards Pontiac V8 Hydraulic Flat Tappet Camshafts at Competition Products! Howards, Hydraulic Flat Tappet Camshaft, Pontiac V8 265-455, Howards, Hydraulic Flat Tappet Camshaft, Pontiac V8, Custom. 50 to run as fast as I want to safely. Its got an amazing tone to it. Butler Performance ports more Pontiac cylinder heads than anyone in the world. Engine Specifications: YearOne PowerCrate 350 with Edelbrock E-Tec aluminum heads Part # AT350PC1 * Horsepower: 400+ * Torque: 400+ ft/lbs. Torque Converter Tech and Selection. Not only does it have the huge bore, small journal mains, and great valve angles, but you can also make them into 500 inches of low-deck fun. A good shop will have a standard rate for a Dyno Tune, don't know of any that just charge by the hour. As with all other Pontiac V8 motors that evolved from the 316 V8, the 421 was simply a bored out and stroked version of the popular Pontiac 389 V8. The fully re-built 1973 Pontiac 400 has it's day on the dyno! Here is the engine during break- in and idle before the REAL fun begins!. You'll find in the following a complete line of finely tuned engine combinations. In its place they issued a limit of 400 CI in all intermediates, a figure quickly adopted by every division, including Pontiac. 1997 FORD F 250 DIESEL POWER STROKE EXTRA CAB 7. The 265 cu in (4. 1,000 HP From a Broken-In 400-Inch Small-Block. We also have combinations for circle track, truck pulling, marine and more. The complete, frame-off restoration was just completed in January 2019. com or contact us at 800-267-3940. Page 7- Twin Turbo 69 Pontiac Firebird RA-V GM Builds. An engine dyno uses a water brake to measure engine output. pontiac engine decoder year code c/i hp tran carb car misc 1962 13b 421 3 m 2 x 4 full super duty 1962 13u 421 4 m 2 x 4 full super duty 1967 xl 400 255 1967 xm. Shop online for GM, Ford and Dodge Transmission Parts and Torque Converters from PATC. Truck is making 800 hp to the wheel and a great daily driver. If anyone would be interested in taking over, I am open to all offers. , Chevy) or LS-series engines in our shop. By awesomeengines 4. For just two months late in the 1968 model year, Pontiac offered the Ram Air II 400, its first engine with round-port heads. They reside inside the case, which is filled with automatic transmission fluid. Shop with confidence. Buy electric supercharger kits or turbo chargers for your car or truck. Finally the engine is pressure tested at the crankcase for oil leaks and then painted. 85 C-400 has a 2. Howards Pontiac V8 Hydraulic Flat Tappet Camshafts at Competition Products! Howards, Hydraulic Flat Tappet Camshaft, Pontiac V8 265-455, Howards, Hydraulic Flat Tappet Camshaft, Pontiac V8, Custom. does anyone know if pontiac 400s have the same oiling problem as olds 455??? i only post this because of the sleekcraft guy who is only getting 3000rpms out of his 400 with a 5qt pan. eBay Logo CAR CRAFT Magazine August 1998 Buick 455 Pontiac 400 HEI Dyno Test. I would think you should trap around 115 mph and higher with exhaust tweaking. Howards Pontiac V8 Hydraulic Flat Tappet Camshafts at Competition Products! Howards, Hydraulic Flat Tappet Camshaft, Pontiac V8 265-455, Howards, Hydraulic Flat Tappet Camshaft, Pontiac V8, Custom. anyone have a good. I only have rear wheel dyno results. Do a search on elongating pontiac pushrod holes. This must be a trick question, below is my 1970 Ram Air III Pontiac 400. Get the best deals on Cylinder Heads & Parts for 1969 Pontiac Firebird when you shop the largest online selection at eBay. A Inerta Dyno like a Dyno Jet basicialy tunes for WOT [ wide open throttle ] and it does not take long at all. I dont get it either. Trans Am Racing puts our stroker big-block to the test, so come check out this Stroker 390 Dyno Test to see the results. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. There's something concerning the longer days as well as the warmer climate that draws out of our winter months ruts as well as obtains us really feeling encouraged to take command of points as well as shock their lives right. Within the pantheon of high-performance Pontiac’s, the Formula 400 is remembered as the strong silent type. There was no special edition of the 1969 Buick GS 400. What others are saying Guide to Swapping an into your Street/Strip Chevy - Dragzine With more and more swap kits and performance parts being developed for the LS family, replacing that tired, worn-out old small- or big-block doesn't mean spending months making it fit or sacrificing horsepower. Below is a dyno sheet of a 1978 220 h. Its got an amazing tone to it. Site Suggestions Lounge. I was of putting a new performance camshaft before I install it in the car. I would say, you have one of the worst intakes for a Pontiac, too small of a carb for a Pontiac 400. Shop with confidence on eBay!. 050 duration 224/230 Lobe sep. Shop Cars. proformanceunlimited. Or sign in with one of these services. Heads with casting dates starting around mid-March 1973 to mid-April 1973usually will have screw-in studs. Pontiac 400 Buildup Hei Dyno Test Volume 46 Number 8 contains important information and a detailed explanation about Ebook Pdf Car Craft August 1998 Special Issue Engine Power 32 Info Packed Pages Big Block Parts Guide Pontiac 400 Buildup Hei Dyno Test Volume 46 Number 8, its contents of the package, names of things and what they. According to the June 2019 issue of Musclecar Review magazine, during period dyno testing, the National Hot Rod Association (NHRA) rated this Pontiac W72 400 T/A 6. Cummins engine. We use and abuse our test 350 small-block mule on the dyno with four COMP Cam swaps and give you all the numbers. See the dyno graphs below for the '292 engine and the Goodwrench engine. And a 525 HP pump gas 455 that runs 10. If you’re a fan of Pontiacs, you need to stop, sit down, take a deep breath or two and then watch this video…400 times. com (Bidder Service) Fri, 27 Sep. With new higher-flow cylinder heads and other tweaks, the 1967 GTO’s new 400 CI 4-barrel High Output V-8 retained its 360 HP rating. 265, 301, 307*, 326, 350, 389, 400, 421, 428, 455. Based on other non-ethanol dyno numbers, I did not think I'd be north of 450whp. Information about Classic Pontiac engines. com or contact us at 800-267-3940. Find used 1969 Pontiac Firebird Trans Am Convertible Tribute Run On Dyno in Kendall Park, New Jersey, United States Find or Sell Used Cars, Trucks, and SUVs in USA Cars for Sale. Dual carb bolt pattern, accepts stock Quadrajet carbs and includes an adapter plate and gasket for use with square bore carbs such as Holley, Barry Grant, Edelbrock, etc. If you’re a fan of Pontiacs, you need to stop, sit down, take a deep breath or two and then watch this video…400 times. New on the options list was Pontiac’s 455-cid V-8, rated at 360 horsepower. These engines were available in the following cubic inch displacements: 326, 350, 389, 400, 421, 428, and 455. 1,000 HP From a Broken-In 400-Inch Small-Block. Red dyno 460 pontiac stroker #16 heads 9. i might not be interested…. A Stage 2 has all of the features of a Stage 1 plus features fully recalibrated idle, off idle, main, accelerator pump and high speed circuits to match any modifications done to the engine such as intake manifold, headers, ignition or mild cam change. To add a little more information to my above post, a good choice in cam for the 67 400 would be a Pontiac S stamp camshaft used in the automatic transmission Ram Air III cars and the 1971-1972 455 HO, Crane Cams makes a "Blueprinted" version that is an exact reproduction of the original. Member's Rides/Appearance. The Mopar 360 is the easiest and cheapest way to build a fast small-block Mopar. Cam is kind of small as a good idle, and enough vacuum for brakes were requested by customer. SD Performance spends an extensive amount of time on the dyno, at the track and on the street to develop some of the best performing Pontiac ported cylinder heads on the market today. Description for Pontiac GTO 1968: This is a seldom seen chance to buy a truly nice one owner vehicle from the ORIGINAL family. Pontiac 400 Engine Build – Pump Gas Pounder Then we’ll see how the engine performs on the dyno. He kept it simple with a RA IV cam and ported 6X heads, deamon 825 Carb, RPM intake, dougs headers and 3 inch pipe to the back. I like the idea. Dual carb bolt pattern, accepts stock Quadrajet carbs and includes an adapter plate and gasket for use with square bore carbs such as Holley, Barry Grant, Edelbrock, etc. We also offer installation of our products along with general repair and maintenance of your Turbo 4. Our horsepower figures are as honest as possible. I would say, you have one of the worst intakes for a Pontiac, too small of a carb for a Pontiac 400. Rebuilding info, featured Pontiacs and engines, Restoration Bulletin Board. The photo to the right shows the engine ready for the first dyno pulls, before the carb switch. If you are rebuilding a 455 Pontiac and want a stronger rotating assembl. World's top manufacturer of performance camshafts, lifters, valve springs, rocker arms and related valve train parts for all race and street performance engines. And verry lil interior drone. As reported on the PSP Restoration Forum, Rob's engine exceeds 1 horsepower per cubic inch of displacement. 1967 pontiac gto high output true matching numbers "z" code freemont, california gto!!! true americam muscle at its peak! matching numbers "yz" code 400 ci high output 360 hp motor! these h. 21" stroke of a stock Pontiac 455, it seemed like a perfect candidate for an updated flat tappet and I was a bit worried about other stuff that would need to be upgraded if we wanted to spin it higher. The Mopar 360 is the easiest and cheapest way to build a fast small-block Mopar. A higher than recommended. The engine wasn't dyno'd and the car hasn't hit the track yet, but it feels like a low/mid 12s ride. Mike Good's 1967 GTO - 400 Stroker: The KRE dyno run of Mike Good's stroker engine. Tuned and tested on our in house Superflow dyno. Pontiac Bracket Engines; Search Results for: dyno. Performance Updates: Dyno info:. 6 engine at 260 to 280 net horsepower instead of the 220hp rating published by Pontiac. This was a Dyno Run on my Pontiac Firebird 400 HO engine build and tested by Terry Walter Precision Engines. This is a brand new NOS NEVER installed org. cfm?fa=Main. High Quality Pontiac. All of the LS3's dyno'd so far are in the 390-400 rwhp range. Pontiac V8 Engine History: 1955-1981 February 19, 2015 by Pontiac DiY The Oakland Motor Car Company was founded in Pontiac, Michigan, in the early 1900s, and within a few years, it became a division of the newly formed General Motors Corporation (GM). See our Intake manifolds - Pontiac. Heads with casting dates starting around mid-March 1973 to mid-April 1973usually will have screw-in studs. Pontiac introduced the 400 cubic inch V-8 in performance oriented cars in 1967, and continued to make the engine available through 1979. With the EPA’s C. No other Pontiac manifold can supply your racing engine the way the Gutsram can! Port size at the head is: 1 1/4" WIDE X 2 1/4" TALL Available now - Single Dominator top for the G'ram. Dave ported my 6X heads to flow 240 CFM. A Pontiac 455 is more responsive than a Chevy or a Ford. Search Results for Pontiac 400 Head Parts. Fresh pro built 358 cu. Cylinder Heads Performance Guide for Pontiac V-8 Engines cast Warp-6 heads on a 535 inch on KRE's dyno. TIP custom ground solid roller cam shaft with a set KRE CNC ported E heads ma. >typical warmed over, street 455 pontiac that is. Engine is a Pontiac 455 with factory block, crankshaft, and heads (ported). When C&D tested a 1979 4-speed Trans Am with the emissions-controlled W72 400 engine, the one with a 220-hp net rating and the “T/A 6. 11 inch intake and 1. Search Results for Pontiac 455 Engine Parts. Butler Performance ports more Pontiac cylinder heads than anyone in the world. Engine was overbuilt to allow easy HP gain with bolt on parts later. The Ultimate Muscle Car – The 1970 LS6 Chevelle Was America’s King Of The Streets Posted by Paul Zazarine on Friday, November 14, 2014 in 1970s , Articles , Car Collector Magazine , Chevelle The 1970 LS6 SS454 Chevelle rode on a 112-inch wheelbase. Welcome to the Nitemare Performance Dyno Laboratories. 80 SEPTEMBER 2008 Will TIP's 400 Block/KRE Head Combo Produce More Than 600 hp on 93-Octane? By John Carollo PhotograPhy by the author PUMP GAS POUNDER. They reside inside the case, which is filled with automatic transmission fluid. Converter Design and Operation. National Registry. Our goal is to educate, promote, and help others better understand this car and it's numerous qualities. I would say, you have one of the worst intakes for a Pontiac, too small of a carb for a Pontiac 400. See: HPP 4X Head. While the light weight Chevy Vega gained popularity with the drag racing crowd, it’s cousin the Astre, didn’t get the same respect. You are going to see a Pontiac engine, built by the McCarty Racing team that uses a set of their insane Ram Air V heads make 1,200hp naturally aspirated and sing to 8,300 RPM. The first run with my Quadrojet carburetor did fair but after the first run things went down hill. A dyno session is not a 30 minute assembly line job, it takes most of a day per engine to do the right kind of job. TFCC Dyno day. Stock (gross or at the crankshaft) hp of the 400 Pontiac 4 bbl for 1970, according to my Chilton's manual (almost as old) 340 hp, 480 ft-lb torque. Dyno developed to work with any cylinder head up to 300CFM. The 400 is a bored out 389, which had been in use for a few years. Dyno prove that SRT-4 had 230 Hp on wheels. All engines come complete carb to oil pan. Proformance Unlimiteds Pontiac 400 crate engine live engine runall of our horsepower is dyno tested and provenvisit us on the web at www. SD Performance spends an extensive amount of time on the dyno, at the track and on the street to develop some of the best performing Pontiac ported cylinder heads on the market today. SBC 377 to 390 CID AFR 190 to 210 Head Max Power 6200 rpm Peak torque 3600 ×. If anyone would be interested in taking over, I am open to all offers. We use and abuse our test 350 small-block mule on the dyno with four COMP Cam swaps and give you all the numbers. Justin knows the stock LS1 long-block can handle the power, so he left well enough alone and called up Andy at DynoTune USA of Watertown, South Dakota, for a custom E85/ Flex Fuel tune. We never got any track, or dyno numbers on the engine to make any direct comparisons. The objective of this registry is to document all known 1968 firebird 400 H. The table below will help you select the right camshaft for your Pontiac engine. The performance exhaust o. Custom Usa Style Vic Number Plates Olgirl For The Old Chev, Ford, Pontiac,buick. All of our heads are flow tested on our state of the art computerized Superflow 600 flowbench equipped with velocity probes, but we've learned that what. Also the bore size of the 350 will not allow the use of the large valve pontiac heads ---2. I will give you a example of dyno numbersI only put down 396 rwhp through a loose converter but trapped 122 mph with massive transmission issues. com ID CC-1173694). com, I have recently received a 541 CID short block from Butler. Pontiac 400 block +. if someone can give me a general idea of what the hp/tq range my motor will be in that would be great. TFCC Dyno day. Page 1 of 2 - Pontiac 400 camshaft help - posted in Performance Modifications: Hello guys so I am getting my hands on a 1977 pontiac 400 for my firebird. According to the June 2019 issue of Musclecar Review magazine, during period dyno testing, the National Hot Rod Association (NHRA) rated this Pontiac W72 400 T/A 6. I know mnfr's play games up and down with published numbers all the time to suit whatever angle they were working (marketing, insurability, class acceptance for racing, etc. If you would like thicker header flanges, add $16. Do a search on elongating pontiac pushrod holes. At Dyno Comp, we specialize in 2WD and AWD dyno vehicle tuning services for our customers in Phoenix, AZ, Scottsdale, AZ, and the nearby areas. It was a 2bbl car. In 1961 Pontiac continued to push the horsepower upwards with the release of the 421 engine. Also a lot depends on the Dyno Machine used. rebuild the 400 which turned out to be the original block, but someone along. This car features a traditional Pontiac 400 ci engine with Edelbrock heads and round port headers, fully programmable Electronic Fuel Injection (custom unit by Butler Performance) 4L80E transmission, Moser 9" rear, Baer Brakes, and all factory accessories. This is one of Doug's favorite builds. Dean House was in the process of restoring his 1967 Pontiac GTO, so he decided to bring us his 1967 400 to us for a rebuild. Given the current engine technology in the Pontiac hobby, building a big-cube Pure Pontiac engine from a 400 block is easier than ever thanks to the many stroker combo choices for 3. 250 stroke rotating assemblies, and a set of custom ported Edelbrock D-port heads, set up to run on 91 octane pump gas. In the current times of LS-Swap Mania, fuel injection, and computer-controlled engines, it's nice to see there are those among us who still prefer old school carbureted engine 'plants to carry us down the street and the dragstrips across America. 23 posi rear. Butler uses only high quality crankshafts, rods, and pistons in their rotating assemblies as well as stock's many asse. Heads with casting dates starting around mid-March 1973 to mid-April 1973usually will have screw-in studs. About learning the acceleration you spoke of, I did own a 74 Formula 400 brand new. Having been a Pontiac guy for 27+ years and had at least 15 Pontiacs, one with 536,000 miles on it now and 3 engines later, having a non ported 400 doing mid 12s in a 3810 lb car and being president of a 200 member Pontiac club for two years and being alot of their go to guy to fix their cars, I just dont get it. No other Pontiac manifold can supply your racing engine the way the Gutsram can! Port size at the head is: 1 1/4" WIDE X 2 1/4" TALL Available now - Single Dominator top for the G'ram. Pontiac dealership mechanic. Our dedication to detail in our engine build separates us from the rest. I have a question. I had to used his 1 -3/4 Headers my Hooker 2460 would not clear the Dyno Stand Bellhousing. o6o over T. The 75-78 500557 400 block is a lightweight casting- the block will also need to be sonic tested if it needs to be bored. The HorsePower guys prove that by extracting a 400 from a junkyard, machining the block and rebuilding it on a two-thousand dollar budget. You will never see corporate (i.