flattrakker Posted November 13, 2007 Report Share Posted November 13, 2007 serial number - 513M06450 below that it says.. clear:0.0030 what does the clear mean? i want to know if these are .020 over pistons? Quote Link to comment Share on other sites More sharing options...
blowit Posted November 13, 2007 Report Share Posted November 13, 2007 yep Quote Link to comment Share on other sites More sharing options...
flattrakker Posted November 13, 2007 Author Report Share Posted November 13, 2007 also in my gasket kit there are " VITON ORING" i didnt take these out so.. what are they? Quote Link to comment Share on other sites More sharing options...
Wildcardracing Posted November 13, 2007 Report Share Posted November 13, 2007 "clear .0030" is the recommended piston to cylinder clearance when the bore and hone has been done. This is the piston mfg suggested clearance for stock un-ported cylinders. I prefer to run mine at .0035 to .004 with ported cylinders and high compression domes to reduce the chance of siezure. (Banshee's are notorious for running hot) Quote Link to comment Share on other sites More sharing options...
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