1973 Pontiac 455

1973 Pontiac Grandville Rebuilt 455 56k Original Miles Dual Flowmaster 40 Mufflers

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Pontiac Engine Break Down 301 to 455
Facts talk Pontiac Engines 301.303,326,350,400,389,421,455,482

Pontiac Ventura - Pontiac Grand Ville
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1975 Pontiac Grandville with 455 motor on Dyno
Bar-B-Cruise member Greg's 1975 Pontiac Grandville convertible. The motor is a Pontiac 455 bored .030 over with edelbock aluminum heads, eldelbrock intake, Dougs headers, Holley 800. the Dyno operater is driving the car and ran it up to 145mph before stopping due to the tires. Tires were not speed rated that high, but the motor had more in it. more info at www.Bar-B-Cruise.com

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.