new seacraft owner

[pelican]

Originally Posted by strick

If the pitting is not too bad then the thing to do is get the west systems cleaning and etching kit and some epoxy primer. First clean the tank with soapy water and a stiff brush. Then sand the entire tank down and rinse it off. Then use the system 3 cleaner and etcher and prime the tank with the epoxy primer. I use Awlgrip epoxy primer. You only have a couple hours after etching to prime the tank before it starts to oxidize again. This should stop the corrosion. Every gas tank that I have removed that had the rubber strips had some corrosion under the strips. You can always pressurize the tank to make sure it is good before you dive into trying to save it.

strick

that's pretty good advice...


however - it's a much better system using a barrier coating,like interprotect 2000e - put this product on,till you gain a 10m thickness - use a matchbook cover as a guide...

do not skip the chemical etch prime process...



problem with pitting is,the depth of those pits/erosions and another process called "polis corrosion" - i know i spelled that wrong.this actually explains the process that causes the erosions to "grow"...if those erosions are deep - remember,the tank's probably 1/8" aluminum right ? there's not gonna be much there.the weight of the fuel can cause a huge problem...read that as leak - personally,i would replace the tank and make the smart play...

http://www.classicseacraft.com/commu...ad.php?t=24936

the second page of that discussion,i described the process i use for installing fuel tanks - follow it,you will NEVER have a problem...

aluminum isn't "self protecting",if it was,it wouldn't corrode,right ?

the neoprene strips,these act like gaskets,trapping any moistue against the tank,creating a very corrosive environment - bad move to use that method of installation...