This is one of the cleanest CJ's I have seen. This Jeep was outfitted with a built AMC 401 back in the 80's. Needless to say it wouldn't pass smog in California, so it sat in the owner's garage for 20 years. We discussed a few different options and decided to go with a GM LS engine. We found an engine and trans from a 2002 Camaro for the swap. The engine was left alone but we had the transmission gone through. We used an Atlas transfer case behind it. The engine and trans are mounted on custom mounts. The exhaust is a custom single exhaust with the stock cats in place for emissions reasons. A custom fuel tank was made to use the stock Camaro fuel pump module. Cooling is handled by a Griffin radiator and twin Spal fans. While it was in the shop we also built a custom roll cage to fit inside the hardtop. The roll cage was also tied into the frame for a little more safety. A new spare tire rack was also fabbed at the same time. After all the work was completed we took it to the referee and got a clean bill of health and registered for the first time in twenty years. This thing is stupid fast for a stock ls engine. It is now his daily driver..