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slallen1970
03-17-2008, 06:20 PM
Has a 318 exhaust ports have holes under each port header gaskets do not cover holes exhaust leak is annoying, any advise?????
cbarnett
03-21-2008, 04:24 PM
These holes are for air pump on stock manifolds. You can thread holes and use allen head set screws, I have done 2 sets, worked fine.