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455 Pontiac Crate Engine Built For Sports Car Revolution by Proformance Unlimited

http://www.proformanceunlimited.com and Sports Car Revolution team up to bring new life ultra rare 1971 STUTZ BLACKHAWK. You can view the article at the following link: http://http://www.proformanceunlimited.com/scr.html


 


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High Performance Chevy 350 Motor With 295HP #9169
350 295HP All Polished Chevy Motor Package Built By Proformance Unlimited http://www.proformanceunlimited.com For More Information Visit Our Web Site Or Call 1-800-267-3940.





Pontiac 76 Trans Am 455 Barn Find
Pontiac 455,.030 over,Comp cams 268H,Open headers





Proformance Unlimited's 455 Pontiac Crate Engine
Pontiac 455 Crate Engine Built By http://www.proformanceunlimited.com/ You can view our Pontiac engine line at the following link: http://www.proformanceunlimited.com/pontiac.html Whether your vehicle is a GTO, Fire Bird, Trans Am, Lemans, or a timeless classic, here at Pro-formance Unlimited we are here to help design and build the engine combination that will match you with your vehicle. Please browse our crate engines listed below or custom design one of your own. From that special built stroker engine to that turn-key drop in ready crate engine, call Doug or Steve we will be happy to answer any of your questions.





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 !!!! .





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)





Chevy, Olds, Pontiac and Buick V8 engines are not the same!
Evidently a segment of the automotive enthusiast population does not believe that the four main GM divisions had their own versions of a V8. In addition there may be people who simply never knew that fact. In this video I show photos of a 350 cid engine from Buick, Oldsmobile, Pontiac and Chevrolet and highlight the differences in each. Buick and Pontiac V8 engines went out of production in 1980, Oldsmobile's in 1990 and of course the Chevy versions lasted a lot longer because they were cheaper to produce and easier to smog/mpg certify. I challenge anyone to video themselves removing a Chevy SBC head and then installing it on a Pontiac, Olds or Buick engine.





PONTIAC - stock Pontiac Super Duty 421v8/405hp vs stock Chevy 409v8/409hp on DYNO
WATCH THE VID TO SEE HOW CLOSE THEY Dyno TO THEIR FACTORY 405hp/409hp ratings. Growing up.....Pontiac/Oldsmobile old timers/EXPERTS who taught me most of what I know, often told me Chevy rated their horsepower in a more optimistic way than say Oldsmobile or Pontiac. I've even heard Pontiac rated/tested their engines in a 100 degree room, compared to Chevy in a 60 degree room. These Dyno results seem to reflect that some of what I heard was true. Both of these engines are great, but the results do seem to show that Pontiac was not rating their horsepower worrying if it would cause "songs to be written" about their engines .... like the great song "She's real fine my 409"--(Chevy).





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.





Pontiac LeMans 455 Drag Racing
1967 Pontiac LeMans Drag Racing at Lebanon Valley Dragway on September 29th 2008.





468 Pontiac Stroker Crate Engine #9054 by Proformance Unlimited
http://www.proformanceunlimited.com/pontiac.html Pontiac Crate Engine 468 Stroker 550+ HP "like" us on Facebook: http://www.facebook.com/pages/Proformance-Unlimited-Custom-TurnKey-Crate-En gines/273208895629





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





PONTIAC GTO Judge (1971 455cid, the differences basic supertuning can make)
Those who know me well, know that I always beat "SUPERTUNING" "SUPERTUNING" "SUPERTUNING" into the ground. This video shows the difference minor tuning can do (This is minor because a 1971 GTO's fuel/ign calibrations are already geared for performance, so there's not as much improvement you can make like you'd be able to on say - a late 70s smogger). But on larger scales, HUGE differences can be made, as much difference as adding performance parts alone. The more the car is severely out of tune/adjust------which happens more with the more mods you make, then the more you'll gain by supertuning it. There's another vid on YT where an Olds 455 was built with performance parts to be totally streetable but achieve 1hp per cubic inch. After they got the recipe of perfect parts all together they were disappointed when she only Dynoed at 320hp. But luckily they did not give up! After the proper ign-curve/timing & carb adjusts were made, the engine jumped from 320 up to 455hp!! No doubt all the new cam/intake/head mods put the old fuel/spark adjustments badly out of calibration for the NEW BREATHING ABILITY. Also with things like dual quads (especially to engines not originally equipped wit them), your adjustments are most likely going to be way off and need calibration even more. There's lots of dual quad cars out there not running well for this reason, however the few that have been calibrated perfectly (EVERY adjustment set for the best "stop watch" time, etc) truly do run like a bat out of hell!





1972 455 HO Pontiac 600 HP Dyno Pulls
done at AMS Racing Engines in West Allis, Wisconsin on 10 July 2009.





Pontiac 455 duet
The LeMans (on the left) has a mild, non-rebuilt 455 with ported & polished 6X heads, c. 9:1 compression, Edelbrock Performer intake, Holley 800 Street Avenger, Comp XE274 cam, making maybe 300-350 horsepower. The Grand Am (right) has a .030 over 455 with Edelbrock heads (87 cc chambers), 10:1 compression, same Comp cam but with 1:65 roller rockers, slightly better Exhaust (H-pipe), Edelbrock Performer RPM intake and Edelbrock 750 carb. About 500 horsepower at the flywheel. The heads make all the difference. The Grand Am has the Flowmaster American Thunder Exhaust system, which has the 50-series mufflers. LeMans has a Summit Exhaust system, which was cheap and went on nice & easy.





Chevy 383 450HP Stroker Dyno Pull By Proformance Unlimited..There is no other....
Proformance Unlimited 383 Chevy Stroker Dyno Pull You can view this engine package at the following link: http://www.proformanceunlimited.com/specs/383_350_economy.html Be sure to "like" us on Facebook: http://www.facebook.com/pages/Proformance-Unlimited-Custom-TurnKey-Crate-En gines/273208895629





Which car is faster? Which Car is Faster?




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