On Fri, Jun 19, 2009 at 10:35 PM, Eric J Russell<ejrussell@mebtel.net> wrote:
> Some 'olde-fashioned' radiator shops (the one on the wrong side of the
> tracks) will 'boil out' a gas tank (empty of course) thoroughly stripping
> it.
>
best procedure is bake the tank (to get all of the gas out), cut a
hole or holes (or, on a soldered tank, unsolder), sandblast the
inside, weld up the holes or resolder the seams, and then coat inside
and out with an expoxy sealant.
Boiling out the tank may, or may not get the gunk out. (depends on
what solvent they use in the hot tank and what the sealer is).
I'll point out that if there's anyone selling a gas tank sealer that's
vulnerable to ethanol in 2009, they're a criminal fraud. In many
areas, it's simply impossible to get gasoline that doesn't have
ethanol in it. Many states no longer require (or in at least a few
instances, forbid) the labeling of pumps as "may contain ethanol.".
--
David Scheidt
dmscheidt@gmail.com
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