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Posted by Daryl in Oz [203.134.51.155] on Thursday, July 12, 2012 at 19:09:43 :
In Reply to: .007 for 6 cylinders? posted by chris case [75.36.47.108] on Thursday, July 12, 2012 at 11:55:39 :
Yes .060 is the usual max, ups the comp and makes the engine run better on modern gas. You can go further, but need to check valve to head clearances, polish combustion chambers, check thickness of casting web, etc.