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pontiac 400 engine rebuild

rebuild by v8-domination tholen


 


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Boring Pontiac 400 with Van Norman 777 on Bridgeport Mill
Boring a Pontiac 400 with a Van Norman 777 on a Bridgeport Mill





Pontiac 400 break in
Number matching engine. Pontiac 400 cid. Break in of camshaft. Formula 1973 with non stock color ( it supposed to be Burma Brown)





First start after rebuild of my pontiac 400 engine
pontiac 400 engine rebuild , first start after a lot of work ( v8 domination tholen ) with D-Port Ram Air Style Factory Headers and 2.5" Goerlich Xcelerator mufflers from Ram Air Restoration





389 Pontiac On Simtester
Watch John Edwards as he describes the Simtesting of a 389 Pontiac GTO engine at Costa Mesa R&D Automotive Machine. (949) 631-6376 Be sure to 'Click' and SUBSCRIBE.





Tony Bromley's 400 to 460 stroke Pontiac Dyno Pull | QMP Racing
Numbers: 550 torque @ 5800rpm 535hp @ 4000rpm For those of you paying attention and noticed the numbers aren't the same on the screenshot, its because we made another few runs, but didn't tape them. We'll upload a pic soon. QMP Racing is located in Chatsworth, CA Check out our website: www.qmpracing.com Like us: facebook.com/qmpracing Tags: qmp racing quarter mile race car engine motor custom high performance chatsworth California hp horse power torque trq Dyno rpm turbo drag Exhaust run Boost psi dragster raceway nitro Nitrous super Supercharger muscle burnout idle motorsports Mustang cam Ford hydraulic Street pontiac Cars Supra "Drag Racing" Pontiac Shelby Dodge Twin Stock Mazda Ls1 Motorcycle Bike





Pontiac 400
The First time my 400 Big Block got started.





Sehr Performance Machine / Randi's 400 Pontiac
Randi came to us with a 400 Pontiac project for his 1968 Firebird. He didn't want to go crazy on the build but he wanted something that would give him performance that is better than original. With that goal in mind Scott did some custom porting on his heads, upgraded his valve train and went with a Custom COMP cam and lifters and aluminum roller rockers. We maintained his complete original rotating assembly but had to re-balance his crankshaft, it had been poorly balanced sometime in the past and was out by 127 grams on one end and 181 grams on the other. A single plane intake with a 780 Quick Fuel carb got it breathing and the fire is lit with a Flamethrower ignition package. Custom cut and fitted 8mm plug wires are standard equipment here at Sehr. Headman custom coated headers will be added at installation time. The results were a satisfying 543.5 Hp @ 5500rpm and torque reading of 519.8 @ 5400rpm. Corrected to sea level the numbers are 577 Hp and 551 Tq with nearly 400 lb of torque at 3500rpm.





Pontiac 400 engine after rebuild
This is engine for my new 1977 Trans Am "Racer". Specs: '73 block with stock type crank (.010), pistons (.030) and rods,'69 heads No. 46 with no mods, stock '69 intake manifold, Summit headers, CompCam 268 HE complete camshaft with stronger valve springs and 1.6 roller rockers.





Proformance Unlimited's 69 Pontiac GTO 400 Crate Engine Dyno Run
Proformance Unlimiteds Pontiac 400 crate engine live engine run....all of our horsepower is Dyno tested and proven....visit us on the web at www.proformanceunlimited.com or contact us at 800-267-3940





Pontiac 350 - 350 Horsepower For Less Than $500.00
A short video describing the modifications done to the 65,000 original mile Pontiac 350 engine in my 1975 Formula. Using heads, cam, pushrods, rocker arms and an intake that I had laying around, this Pontiac 350 developed 353 horsepower and 385 lbs/ft of Torque, for less than $500.00 invested.





How to rebuild and blueprint aV8 high-performance engine from scratch
Performance general motors holden v8,Aussie Heads and Race Engines(1 man 1 shop)owner,takes you through step by step,into the world of Automotive Engineering,with all hardcore vids of high performance engine,machining and building.One to watch on advanced guides,tips,logic,specifications and racing concepts.Markie makes sense and makes it so easy to understand,(the internal combustion engines)its not rocket science..Not to be missed...





Horsepower TV - Pontiac 455 ( 474 ) - 612 Pump Gas HP - Dyno Pull
Thanks to the guys on HP TV !!!!! - 12/30/2000 - Factory Distributor - Here you go Pontiac People redid this for your viewing pleasure !!!! .





Proformance Unlimiteds Pontiac 400 with 450hp...PowerJection III EFI Unit
http://www.proformanceunlimited.com/ Live run of a Pontiac 400 with a PowerJection III EFI Unit....Proformance Unlimited....There is no other





PONTIAC 1970 formula 400
1970 formula 400, complete engine rebuilding, YS block, #13 heads, forged rods and pistons, RA3 cam (068), iron intake, home made 1968 Q-JET converted to electric choke, RA4 headers, complete 2,5" Exhaust.





1967 Pontiac Firebird with a 455 engine.
Pro Touring 1967 Firebird sounds mean.




Which car is faster? Which Car is Faster?





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