[AT] Gas tank sealers

[Jim and Lyn Evans]

I will second the use of Phosphoric acid.  It will be right beside the
Muratic acid in the store.  You could even buy something like CLR - it is
the same thing.  The phosphoric acid leaves a coating on the metal,
preventing rust.

I cleaned a very rusty motorcycle tank last year.  I used electrolysis rust
removal on it.  I filled the tank to the top of the washing soda solution,
inserted a piece of re-rod, making sure that it did not touch the tank at
all, and hooked it to a battery charger for about 3 days.   After that, I
put some nuts and bolts in the tank, shook it around and then power washed
the tank.   Then I coated with phosphoric acid.  The tank is now almost as
good as new.   The tank was so rusty that I was afraid that any chemical
rust removal, like muriatic acid, would eat right through it.

Jim 

-----Original Message-----
From: at-bounces at lists.antique-tractor.com
[mailto:at-bounces at lists.antique-tractor.com] On Behalf Of Billy Hood
Sent: Tuesday, December 14, 2004 5:03 PM
To: Antique tractor email discussion group
Subject: Re: [AT] Gas tank sealers

I have had good luck using phosphoric acid to clean rust out of inside.  I
use the "rust prime" acid from Kelly Moore, Sherman Williams or the lumber
yard.  It is the same active ingredient in the rust destroyers sold by the
sealer folks Bear
  ----- Original Message -----
  From: Robert L. Holtzer<mailto:rholtzer at earthlink.net>
  To: Antique tractor email discussion
group<mailto:at at lists.antique-tractor.com>
  Sent: Monday, November 22, 2004 5:01 PM
  Subject: Re: [AT] Gas tank sealers


  I don't want to step on any reply Ron makes.  However, I would caution the
  use of muriatic acid (essentially hydrochloric acid of modest purity) in
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