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Hey guys I have a 1980 M920 with a 400 Cummins Big Cam 1 in it, I have never run anything but regular diesel fuel in the engine but with that said is this engine ok to run Bio-diesel in it? And if I do this will I have to add oil or some other lubricant to the fuel to make sure the injector pump is properly lubricated? I have sold the truck and want to advise the new owner of the proper fuel alternatives for the truck!
Thanks much guys for sharing your knowledge on this subject!
Thanks much guys for sharing your knowledge on this subject!