Quote:

ALL aluminum valve covers need to be clearanced where they butt up to the intake manifold.



Not all should be clearance. All should be checked if they need to be clearance I have installed many different types some need it some don't. It is what make this hobby fun and sometimes a headache


To the OP this is just one of this things you laern as you go anytime you deal with any aftermarket parts you might have to to get it to work. Glad you solved the problem