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-   -   Blown Head gasket 302 with a 671 (https://www.racingjunk.com/forums/showthread.php?t=32632)

Fairlane671 09-17-2012 05:56 PM

Blown Head gasket 302 with a 671
 
I have a blown head gasket on 1976 sbf 302 with a 671. The block bored 30 over. What size head gasket do I need and what is the best? Copper? I am running the boost 6-8 psi it's 18% under driven. I need a model #.

joe2412 09-17-2012 06:36 PM

stick with a felpro series head gaskets esp. the black type gaskets / what is your compression numbers at also what is your fuel system like just make sure you didn't run lean and blow the gasket that way as well good luck joe g 8)

TS1955 09-17-2012 07:00 PM

Depending on what thickness you want...You can go with a cometic C5511-xxx gasket and be good to go.

TS1955

Spurger 09-18-2012 07:59 PM

Blown head gasket on 1976 SBF 302 Australia

Head gasket leak test then maybe need
Replacement

maxpower671 09-26-2012 07:38 PM


Originally Posted by joe2412
stick with a felpro series head gaskets esp. the black type gaskets / what is your compression numbers at also what is your fuel system like just make sure you didn't run lean and blow the gasket that way as well good luck joe g 8)

X2 good advice! i like the felpro 1003 gasket for SBC, use something similar if you can...and make sure your fuel and fuel system are up to the task


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