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From: phil
email: pho@ntlworld.com
Date: 13 Mar 2005
Time: 15:55:48
bit of info needed here from you knowledgable chaps firstly i have been reliably told that should i fit 5-15 thou oversize rings i keep the same pistons -which sounds amazing -is this true secoundly also told when reboring to fit say 15 thou oversize .the boring machine should bore it with a slight taper at the head end being 2.5 thou tighter than at the bottom .this is so because of it being much hotter upthere and so in use tends to expand more . your thoughts most welcome phil