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Ask Roy Belding Your Own Question
Roy Belding
Roy Belding, ASE Certified Technician
Category: Pontiac
Satisfied Customers: 5299
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??

Roy