Diesel is great at cleaning crap out of motors and fuel lines. I have an old outboard that was completely clogged with crap and the diesel took it right out.
I like to run diesel through the truck too. I dump a few gallons into a tank.
Runs great and smells better too. Might be me, but my butt-o-meter says it gives a few more ponies. I will be making my own sea foam from now on.
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1991 F-250:
4.9L, Mazda 5 speed, 4.10 10.25" rear
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