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Roy Belding
Roy Belding, ASE Certified Technician
Category: Pontiac
Satisfied Customers: 5722
Experience:  Master ASE since 1980
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Rough HP 1970 455 .060 over 10 to 1 compression and a 294

Customer Question

Rough HP for a 1970 455 .060 over 10 to 1 compression and a 294 crane fireball can and Volley 850 double pumper
Submitted: 1 year ago.
Category: Pontiac
Expert:  Roy Belding replied 1 year ago.

good afternoon my name is ***** ***** I will assist

depending on your exhaust set up it sounds like you have added at least 20 horsepower to the motor.

do you know the jet sizes in the carb??