I paid way to much for this clam. Anyways, I am beginning repairs to the rear floor area below the tailgate where it has got some cancer. I got the sheetmetal from JC whitney a few days ago and I am getting ready to start torching. Any words of advice on this before I start ? (besides removing the gas tank) I did not get the rear tailpan from JCW but I am tempted. The one on there now could possibly be salvaged. How much work is it to replace that piece?