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Thread: GMPP BBC valve covers
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10-05-2010 #1
GMPP BBC valve covers
I have a set of the GMPP valve covers for a big block chevy. I need to drill them for pcv and breather. They are both 3/4". There are no baffles in the valve covers. Can I just use baffled grommets? I don't really want oil mist all over the place. Thanks



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