I have compiled some info from the web, which took me a considerable abount of time because from what I've read, most people are afraid of diesels. A couple of things that will be helpful putting a 6.2L diesel in a Jeep YJ is the Advanced Adapters Chevy 350 conversion kit. I don't know the part number, but it will work. The only difference is that you have to add a 1/8th steel spacer between the motor mount and engine. A real plus to using the 6.2 is that is has the same bolt pattern as the 350. Makes transmission choices way more variable.