Re: Piston rings and size . Help
Quote:
Originally Posted by 51 MERC-CT
If you do indeed have an end gap of .030 with the +.030 rings then the +.040 rings will close the gap to a point where they will have to be ground to achieve the desired gap.
Pi x 3.093 = 9.717 circumference ( +.030 rings )
Pi x 3.103 = 9.748 circumference ( +.040 rings )
9.748 minus 9.717 = .031 which will close the gap.
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Brilliant !
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