Does anyone have a suggestion for getting a large build up of varnish
out of a TA gas tank.
My tank sat with gas in it for twenty years before I bought the car. I
then discovered a hard sediment coated the inside of the tank. Filling
the tank with laquor thinner for a week as turned the hard coating into
a rubbery consistency, about 1/4 inch thick which clings to the walls of
the tank. Since the tank has at least two baffles in it there is no
access to most of the tank interior. Only completely disolving the gum
with some solvent would seem the only way to remove it. The material
would come out with a power washer except the baffles in the tank block
access. The laquor thinner may eventualy disolve it if left for several
months.
Does anyone have a suggestion?
Ted
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