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Piston ring end gaps.
I have just had an e-mail from the Senior Product Manager at Mahle...he quoted the ring gaps for piston ring set 504 40 N0 for Boxster 2,5/2.7cc engines as,
Top ring-0,15...0,35mm....006"-.014"
2nd ring-0,60-0,80mm....024"-.032"
oil control-0,50-0,75mm...020"-.030"
a very wide 2nd ring gap but they are correct.
My rings are still out of spec. brand new.
Last edited by EMWynne; 04-20-2021 at 09:25 AM.
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