My mom works for USPS and she had to have her own vehicle, and we found a Jeep DJ-5G for $500, it uses a Audi I4 at 121 ci, and uses a torqueflight 904. The audi engine runs ok, but it is loud, shaky and noisy, as a joke I told my mom we could drop a 4G63, or a G63B in her jeep. Then I actually thought about it, and has anyone done anything like this with a CJ-5, They are exactly the same, just the DJ is a right hand drive and the top obviously doesn't come off. I think it would be way better than the Audi I4, considering the mitsu engine has a balance shaft and runs much better than the Audi in my opinon.