Thanks. There doesn't seem to be a lot of info on tuning the GMT400 diesels , so I figured I may try and see if it is something I can do myself. I have never done any EFI tuning before I figured I...

Hi, I am new to the site. I am in the process of doing some modifications to my 1995 diesel suburban and came across this site. The site seems to be organized very well and has a lot of information....