Durwood, you want to use phosphoric acid, used extensively in auto
resoration as a "pre-primer;" and not muriatic (used in construction
industry for cleaning brick, etc). Phosphoric acid should be available at
your local hardware store in the paint section as "Ospho." It will be about
$18 for a gallon. You can use it straight but it works just fine if you
dilute it down too, (I think you can go all the way down to 1 part Ospho to
10 parts water) and your gallon will last longer. Instructions on the side
of the jug. Clean the gasoline and rust out of your tank out with TSP (also
at the painters supply) and a length of chain in the tank first, shake it
all around and you will be amazed at all the crud that comes out. Then
drain and do the same thing with the Ospho. This job takes patience. Give
it a few days in the sun to dry before you use the tank sealer and let your
tank sealer dry for a few days before you put in your sending unit. Use
long nitrile gloves, long sleeves and a respirator mask 'cause Ospho will
burn your skin and lungs like battery acid if you are not careful (ask me
how I know).
Alan
'50 Chevy 1/2 ton
Denver
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <old-chevy-truck@yahoogroups.com>; <[EMAIL PROTECTED]>;
<[EMAIL PROTECTED]>
Sent: Sunday, April 23, 2006 6:55 AM
Subject: Re: [old-chevy-truck] How to clean & seal rusty gas tank??
> Durwood,
>
> Do you have a radiator shop that also does the Reneu process? If so, they
> can do the complete job for about $150 and it will be guaranteed.
>
> Jim V.
>
> At 07:09 PM 4/22/2006 Saturday, Durwood B. Darbin wrote:
>>I'm going to try and repair my rusty Burb gas tank that has one small hole
>>near the filler tube. New ones are $600.00+ and no one is interested in
>>making a new one. I have searched the archives and am perplexed as to
>>what
>>kind of acid I should use to clean out the rust on the inside of the tank.
>>Some say phosphoric(sp) acid and others cry muratic acid. I haven't found
>>anything that says what mixture of either nor the duration of a cleaning
>>session. I have a can of tank sealer from Jim Carter.
>>
>>So my question to the group(s) is -- What strength, how long is a
>>treatment,
>>how many treatments and what kind of acid should I use to remove the rust
>>from my Burb gas tank? Any web sites that would be helpful?
>>
>>The Burb is now running and is currently at the fabricator for an exhaust
>>system. My new gas tank is a modified 1 gallon Authentic Wal-Mart gas can
>>that is bailing wired up to the fender brace. The seats are getting
>>recovered in Spanish grain maroon. Tires are next week. I am also
>>looking
>>for a cheap loan to pay for all of this. =8o
>>
>>Durwood
>>51 Chevy 1/2 ton Deluxe 5 window
Ole Chevy and GMC trucks rule!
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