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Old 04-16-2021, 06:27 AM   #2
ike84
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Join Date: Oct 2020
Location: KY
Posts: 1,214
Quote:
Originally Posted by EMWynne View Post
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.
I just checked the factory workshop manual, no specs listed there. Sorry dude.

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2000 Box Base, Renegade Stage 1 performance mods complete, more to come
When the owners manual says that the laws of physics can't be broken by this car, I took it as a challenge...
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