318 head gaskets and water jacket holes

pishta said

You took .030 off a 302? What compression are you looking for as that is going to be pretty high for a stock head. Mill a head and the distance between the opposite intake ports decreases, that makes the intake sit taller, altering the port alignment without milling the intake.

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To be honest I never tested compression before taking off the stock heads. My machine shop did the milling, cut back valves, port matched intake/exhaust and milled the intake itself so that it fit right with the heads.

I just got off the phone with Summit and they are saying these head gaskets are too big for a stock bore. Any ideas? http://www.summitracing.com/parts/mrg-1121g/media/images