Join Date: Nov 2002
Location: Jefferson State
Not with a 4.0L, but several years ago my wife's '68 Camaro had similar symptoms with a 327 engine. It had a flat cam, not uncommon in those engines. No idea if that could be your problem, but might be worth considering if you don't find something else. Good luck!
1995 5.2 ZJ Sold... but still in the family