Originally Posted by 2uraven
so amoung other things i had oil coming into my carb. while i was changing the plugs i thought now would be a good time to check compression and eliminate the dreaded blow by thought. number five is dead!! 20 pounds is all i got. theres the power issue. by the way the plug gaps were at 45. wtf? throw a used small block in? rebuld? engine was rebuilt 70k ago. not thrilled with it at this point. ideas?
if a teamrush upgrade would be done, it is recommended to run plugs at a .45 gap. Check JeepHammers definitive thread.
First Jeep was an 1989 YJ, 6 cylinder 4.2L , 258. Nuttered and TeamRushed, Weber 38 DGES, Now, I'm venturing into the world of Grand Cherokees