View Full Version : 4.0L.......4.2L.....

06-07-2010, 08:19 PM
ok please help!

ive flip-switched and now im lookin at yj jeeps..... is the 4.2L really as bad as all my buddies say it is?..... what is the big problem with 'em???? my buddies haven't really told me why they suck, but just always tell me not to get the 4.2L go with the 4.0L....

06-07-2010, 09:14 PM
it's all about injection listen to your buddies ....

Momma Taz
06-08-2010, 09:25 AM
I have a 4.2L in my jeep and the only thing i find is timing chain slap and a gas pig but it runs good, it hasn't failed me yet!( knock on wood)

06-08-2010, 08:37 PM
4.0 injected ,ive got a 4.2 ive nuttered it and changed the carb ,no problems now but i want the 5.7 next

06-09-2010, 01:36 PM
You can put a 4.0L head on a 4.2. Add fool injection and your set