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Unread 10-01-2009, 02:25 PM   #1
Registered User
2001 WJ 
Join Date: Sep 2009
Location: england
Posts: 10
Piston Ring Help

Just bought new set of piston rings from jeep for my 2001 4.0 gc, we were just about to fit them to find that 6 of the compression rings have a small brown mark on them and they can fit in either of the top two slots!!!
So my question is do they go in the top slots or the lower slots? and what is the differance?


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Unread 10-01-2009, 10:37 PM   #2
ratmonkey's Avatar
1997 ZJ 
Join Date: Dec 2006
Location: , Pennsylvania
Posts: 19,793
You know how to properly gap the rings don't you?

The ring set should come with instructions for which ring goes where and the recommended gap and gap placement. If it didn't, contact the manufacturer.
'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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