Join Date: Sep 2009
Location: Northampton, PA
Top End Rebuild-run into piston ring problems!
Im am rebuilding a 1990 4.2 and need advice on what to do. I honed the carbon and such out of the cylinders and plan on putting standard size rings back in. My problem is all the cylinders measure the correct bore diameter(maybe .001 over) but the #1 cylinder measures .003 over. due to a broken ring ,can I still use the standard ring or will this screw it up? I really dont want to have it bored over at this time, can I make it work?
-I plan on using a rebuilt 4.0 head on the 4.2 block. I have read it increases compression if that matters.
Driving my Jeep is uncomfortable, loud and drafty.... and I love every minute of it