July 4, 2010I have a few question wondering if anyone has done it. My father has a 94 6.5TD (turd) in a 3500 and his oil line came off and his idiot light did not light up. Anyhow he hasn`t liked that engine since he bought the truck. He has an old 350 with that ran strong and he wants to freshen the engine up and put it in his 3500. It has the 5 speed stick and 4.10 gears. One thing I was wondering about is without the computer running the right engine will his speedometer work? I don`t know if it is like the 4L60E or 4L80E and have a magnetic pickup or does it have a cable?
I told him to look into a Cummins conversion. Any thoughts on compatibility problems with that. How about bell housing bolt patterns for tranny would it require the dodge tranny or would the current tranny fit a Cummins?