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piston ring end gap
Posted: Sun Jul 19, 2009 2:30 pm
by mick094m
Anyone help with the end gap for a GP200, oversize piston 67.6
Re: piston ring end gap
Posted: Sun Jul 19, 2009 4:14 pm
by chris2470
I like to use 0.10mm per inch of bore.
Thus 2.66 inches x the above is 0.26mm or 11 thou.
Hope this helps
Re: piston ring end gap
Posted: Mon Jul 20, 2009 8:18 am
by 156 D
..........ring gap should be between 7 to 12 thou......depending how you want to treat it straight afterwards???.....
Re: piston ring end gap
Posted: Mon Jul 20, 2009 11:29 am
by RinB
This is what I use
Std type kits upto ST4
Bore........ Gap thou of Inch
70mm..............11..
66mm..............10..
Tuned/race type kits
Bore........ Gap thou of Inch
70mm..............13..
66mm..............12..
Re: piston ring end gap
Posted: Tue Jul 21, 2009 6:20 am
by mick094m
thanks for the help