I like the idea of collecting the used fry oil. Is it as simple as filtering it, installing a seperate tank and them warming it up before it is pumped to the motor?
simple as that.
www.greasel.com
The '96 cummins would be perfect for this. A friend of mine ordered a kit from greasel for his '98 cummins, and it should be here this week. I don't know how well it works in high pressure common rail injection systems on the powerstroke, though.