Originally Posted by mudstuck98
4.0 blocks have a history of cracking?? Thats news to me. Do you know that from experience or did someone just tell you?
I've been on the Jeep scene for a while and not once heard of a 4.0 block cracking. I know some guys who wheel the living piss out of their jeeps. The 4.0 is usually the only thing that doesn't break. Pretty hard to break a huge chunk of cast iron.