Thread: ring gap

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Originally Posted by Itoldyouso

While we are on the subject of ring gap, I've always been told about .004 per inch of bore, but he guy who is doing Dan's engine says that is old info. He recommends .006 per inch of bore. What do you guys say about that? (forged pistons)

Don

if he opens up the bore then the end gap will be bigger .005 is fine i am building a Nos 632 right now .that end gap is .007 top ring @032 with a 4.600 bore. shock and mild stuff .005 is fine with cast or forged i built many this way your not going to butt them