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Piston ring end gaps.
Continuing with the rebuild of my 2.5 M96/20 engine...I am now ready to install pistons 1/2/3...checked the ring gap with a piston to keep the ring square in the bores...all 6 top ring are between .014" & .016" I,m happy with those...BUT...all the second ring gaps are between .034" & .036"...normally they would be .002" larger than the top ring gap...these are new Mahle rings & my bores are very good condition wear wise...surely those 2nd ring gaps are much to wide for new rings...I,ve seen rings with less gap after 2 hundred thousand miles...anyone have the correct Porsche spec ring gaps.
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Threaded Mode
