[T3] Update with a Bowl Full of Rust Flakes

[SCS Crewcab]

Even with oil, fuel with ethanol will still attract moisture. Since oil 
and gas is lighter than water, the water will end-up on the bottom of 
the tank. If I was storing a car, I would drain the tank and remove the 
fuel tap so any condensation that forms in the tank will drain out.

On 7/23/2011 8:23 PM, Adriel Rowley wrote:
>
>
> ----------------------------------------
>> Date: Sat, 23 Jul 2011 18:41:09 -0400
>> From: scscrewcab at bellsouth.net
>> To: type3 at vwtype3.org
>> Subject: Re: [T3] Update with a Bowl Full of Rust Flakes
>>
>> The Bentley goes a bit overboard with their Phosphoric acid treatment.
>> There's a readily available product that will do the trick. Just about
>> any FLAPS sells some kind of Phosphoric Acid rust treatment. My local
>> store sells something called Metal Ready. Eastwood sells the same brand.
>> It's a mild Phosphoric acid solution that dissolves loose rust and
>> converts rust in pitted areas to a black primer that actually will
>> protect the tank from further corrosion. You don't need to fill the
>> tank. Just put enough in to cover the entire inner surfaces, slosh it
>> around and pour it out. Keep re-coating it until you can't see any more
>> rust.
>>
> I am with the Bentley, being of Germanic origin, think best to over do it
> than do it at all. ;)
>
> I have used Phosphoric Acid for metal preparation and prevention, so had
> it on hand.
>
> I did fill the tank because I did not want to risk it, and had not gotten
> this reply.  Oh well.
>
>> If you're in a high humidity area, you might think about sealing the
>> inside of the tank. The ethanol in gas attracts moisture in the air and,
>> when the tank sits for any period of time, the water sinks to the bottom
>> and reacts with the metal in the tank. Even if you get it sparkling
>> clean, eventually, the rust will return. (Unless they outlaw ethanol in
>> motor fuels!)
>>
> I now know about the water problem.  It has huge detrimental impact on the
> environment. 
> http://www.news.cornell.edu/releases/Aug01/corn-basedethanol.hrs.html
> Takes over a gallon of petroleum to make a gallon of ethanol.  I was think-
> ing to store it with a full tank and put oil in the fuel.
>
>
> Thank you,
> Adriel
>
>   		 	   		
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