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01-20-2004 01:56 PM #1
whats the torque ratio on aluminum heads?
Does anyone know the torque ratio on a 1990ish Chevy 350 with aluminum heads. This engine is a marine engine that had these aluminum heads and an aluminum Holley carb right out of the crate. I cant find a definite ratio for the head bolts. Any help? Thanks, Scott
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Welcome to CHR. I think that you need to hook up your vacuum advance. At part throttle when cruising you have less air and fuel in each cylinder, and the air-fuel mixture is not as densely packed...
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