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Re: what are the clearance specs for porting 350 heads?
just gasket match the ports but make sure the intake ports are the same size or you wont help anything, when the air hits the heads it will be like a brick wall and hurt airflow.
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ASE Advanced Engine performance
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1978 Pontiac Trans Am
1984 Monte Carlo SS
1991 GMC C1500
2002 Pontiac Grand Prix
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