also if ya can't find a used ( or new ) tank we have videos of repairing them... :thumbsup:
I looked at lots of peoples attempt to repair plastic gas tanks. read comments and instructions. But wasn't satisfied with any of them. most of them used epoxy or an epoxy product like the past mix products. But testimonies a few weeks latter showed that they just didn't seal well and continued to leak down the road a ways.
I could not find the videos you mentioned here on the site. I guess I just don't quite know how to navigate this blog well, but I did get it fixed.
It is made out of polyethylene. Just so happens that milk jugs are also made of polyethylene. I cut one up into strips to use as a welding rod filler, then used a soldering iron (a very large iron 1/2 inch wide) to melt the rods and tank together. getting it just the right temperature was really tricky. Too hot and it turned clear and ran or dropped, not hot enough and it wouldn't join completely. It was surprising how much filler I had to use, probably most of a one gallon jug cut up!
After an hour of trial and error, I finally got the hang of it and it turned out really well. even looks decent! But I think that if it cracked so bad in one spot, it's going to crack in another.
When it cracked, the two parts separated and warped really fast, in my case, in just a couple of hours. this left the cracked edges not aligning nor touching well.
I know that milk jugs I use in the green house also get hard and brittle and after a couple of years or so, end up breaking easily when bumped. I suspect that old polyethylene gas tanks do the same. Mine was a clear/white tank, not a black tank, it had turned to a yellow.
thanks again for your knowledge that made it work!