I found this site after starting research to install a newer Duramax in my,
91 GMC 2500 8600 GVW, had the truck 20 yrs.
Right now it's just running a 5.7 small block with 240.000 k mi and a 4l80e.
If anyone has any information on such a swap I'd be grateful.
New to diesel but not mechanic's...