Originally Posted by guthrie&co
I have a 99 psd 7.3 and i am wanting to make my own biodiesel. i worry about the effects on the seals and rubber in the engine. Am i compatable and if not what do i need to do if i am not?
Your 99PSD is ready to go biodiesel now
No mods necessary, just pack a spare filter for the first coupla a tanks if you use B-100.