My first Jeep was a 48, the 329 may be a deal braker, it will probably drop drive shafts, if U get on it on hard pack, Have seen that before, My M38 has a 255 Buick V6 that pushes 155 horse and is dangerous in second, and I have 11 inch cj 5 brake set up on it and it stops just fine, so that is...