Here's is one of the projects I'm working on. I have a 1991 R Body 3500 Crew Cab. It had a 454, which was undriveable for me due to fuel costs and MPG. I was able to keep my torque converter since I was using a TH400 trans. On my 95 Burb, the 4L80E trans needed a different converter. Not sure about the 4L60 You will need to either replace the governor on the back of the trans if you have a 4L60, or buy the diesel weight kit. This will adjust your shift points for diesel vs. gas engines.

Anyway, if you have any questions about the swap, PM me if you need to.

Here's a vid with the 6.2L finally cranked up and running. I swapped over to the CS alternator for high amperage, and was testing with a multimeter.

The dually lives again as a diesel - YouTube

Take care.

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1987 300SDL #1, 1987 300SDL #2, 1980 240D, 1982 300SD, 1994 S350, 1990 350SDL, 1991 350SD, 1985 300D, 2005 E320CDI

Gone, but not forgotten: 1981 300SD, 1982 300SD, 1987 300SDL, 1983 300TD, 1980 300CD, 1981 300SD #2, 1987 300D, 1987 300TDT, 1980 300D