Is a 1262 port job too big for 306 or 331?

Daves94vert

Founding Member
Jan 3, 2001
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I was wondering, b/c my heads were ported here by a reputable porter to a 1262 gasket. I have them on my car and she runs like a beast. I have a ported GT-40 intake. I'm looking to get a systemax intake(port matched lower). Is that too much porting? I have a 331 stroker kit, I've yet to build, which I plan on using on it.
 
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