Re: Camshaft and Dist Values
With the clearance set at .024" .028" you get .496" on the intake and .492" on the exhaust. Over the years GM opened up the clearance specs from .020" .024" to the later .024" .028" This affected the power characteristics of the engine especially the bottom end torque output. Tight clearances would help in launching on poor traction tires.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now. 
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