1974 pontiac ventura 455

ventura burnout

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Proformance Unlimited Live Run Pontiac 455-425hp
Proformance Unlimited's Pontiac 455-425hp crate engine. Check us out on the web at http://www.proformanceunlimited.com. 800-267-3940 You can view our complete Pontiac engine line at the following link: http://www.proformanceunlimited.com/pontiac.html Proformance Unlimited is well known for it's custom designs. If you are restoring your early Pontiac we can upgrade the horse power and still keep it looking original. 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.





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.





pontiac ventura 1968 400ci
Pontiac ventura 1968 400ci ,holley ,MSD kit ,edelbrock rpm cam , TE KOOP ,for sale Blanco keuring voor daags gebruik !in heel mooie en goede staat zeldzaam ! Te koop op kapaza .





Pontiac Ventura Burnout
a little burnout on 295 rear tires and shift in second gear locked differencial




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