RE: Auxiliary fuel tank for 97 Suburban
Great Idea, I believe there is another regular here with an older diesel.
I don’t see why you couldn’t do it, just use a pickup duel tank, then you have the fuel door For the side. But I don’t think you will find a duel tank in 30 gallons. I believe they are 20 or something like that.
Just remember I think the bio diesel has to have the tank heated. Or does it? Not sure now, my memory is shot.
Or was it the used vegetable oil? Hell sorry not of more help on that one.