08-26-2002, 02:28 PM
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CC Member
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Join Date: Aug 2002
Location: Detroit,
Posts: 22
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Not Ranked
Piston Head Description
Still trying to find out if I have a H.O. I borrowed a scope and looked at the top on the piston. There is a fish-eye lens type of distortion but the piston does has a concentric ledge approximately 1/3 of the radius away from the cylinder wall. Is this the valve relief? is it probably a H.O piston? It also has a small ~1 " diameter circle in the center of the piston.
Dave
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