Ty...I would try the electrolysis to clean it up inside as much as possible and then seal inside and out with the POR15 tank seal kit. I have some here I use for motorcycle tanks and you can have some if you wanna stop by one arvo/evening. It will not take too much to seal it off but it needs to be prepped correctly. I would try electro and then a good wash out with metho and a few rocks...then seal with POR15. Red kote is supposed to be Ok too. If you have pin holes going to the outside you can also seal outside with some permatex chemweld and then cover with por15 sealer and then paint.
Last edited by VictorVicta; 22/09/11 04:33 PM.