water tank conversion

  1. T

    Can I convert a water tank to a fuel tank?

    We have 3 50 gal water tanks and 1 50 gal fuel tank. Getting ready to bash north from Cabo to San Diego so having another 50 gal of fuel would be great. Our 2002 410 has the fuel tank right next to the aft water tank. The water tank is made by Dura-Cast products and that's about all I can read...