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abit off center
Join Date: Feb 2002
Location: At the Airport Kentwood, MI
Posts: 7,311
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The first oversize or know as first replacement should be around .515 which should be real close if this is the first rebuild on the heads. Otherwise measure the head and make the guides .0015 to .0025 larger than the head on a mandrel. Oh BTW, machining the guides to fit should be part of the head rebuilding costs too, not extra.
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Craig
G2Performance
Twinplug, head work, case savers, rockers arms, etc.
Last edited by cgarr; 02-27-2009 at 08:07 AM..
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