YIKES....i better get on that right away..I will use rubbing alchy, and just scrub the firewall. THen I will take some epoxy, and shlack it on. I wish they woulda said something in the instructions about fuel-proofing it. The good thing is, I barely ran any fuel through, not even a full tank, so there isnt much slimy residue. Thanx for the tips. -Patrick