Ugh -- I have been there and done that. No fun. Michael is right that the screw heads will pop off pretty easily with a chisel, but removing the threaded portion from the remainder is gonna be no fun.

I bought a new tank from a recycler in Rancho Cordova at 888-944-7898, apparently they do a pretty good business in rusted out tanks. Any tank should work from 1996 and earlier Rodeos or Amigos. I paid $75, but it was cash-and-carry, and a pretty good deal.

Randii