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> Gas tank resealing/ child labor laws, New question: Exterior paint
Krieger
post Sep 9 2012, 02:37 PM
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My 10 yo helped me clean the inside of the tank. I had a lightly rusted area about 2"x 2" that came off easily. Should I coat this tank or just leave it bare?


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Harpo
post Sep 9 2012, 02:53 PM
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Now I can see why you needed a 10 year old. You could use the POR 15 material.

DAvid
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Krieger
post Sep 9 2012, 03:06 PM
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I've waited 10 years to have the tank cleaned. (IMG:style_emoticons/default/biggrin.gif) But the question is should I? If I don't will it get rusty? Are today's fuels going to rust it out?
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toolguy
post Sep 9 2012, 05:33 PM
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Best way to remove rust from a gas tank/ / / Go to home depot. . In the cement section they have a gallon jug of cement etching acid. it's around $12= green color if I remember correctly. . . . it's really phosphoric acid. . . mix it 2:1 with water, , slosh it around in the tank for 20 - 30 minutes. . it will convert the rust and clean everything else bright steel. . rinse with baking soda and water to neutralize. .
if the rust is heavy. throw in a hand full of small screws and washers. . shake the hell out of it. . . I made a sling from a tree to support the tank, and all you have to do is rock it around. .

the only prerequisite is that the tank needs to be substantially good meaning not almost eaten through from the rust. . and then you need to figure out how to dispose of the waste. .
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McMark
post Sep 9 2012, 05:33 PM
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I don't have a big problem with leaving it.
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mepstein
post Sep 9 2012, 05:46 PM
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QUOTE(toolguy @ Sep 9 2012, 07:33 PM) *

Best way to remove rust from a gas tank/ / / Go to home depot. . In the cement section they have a gallon jug of cement etching acid. it's around $12= green color if I remember correctly. . . . it's really phosphoric acid. . . mix it 2:1 with water, , slosh it around in the tank for 20 - 30 minutes. . it will convert the rust and clean everything else bright steel. . rinse with baking soda and water to neutralize. .
if the rust is heavy. throw in a hand full of small screws and washers. . shake the hell out of it. . . I made a sling from a tree to support the tank, and all you have to do is rock it around. .

the only prerequisite is that the tank needs to be substantially good meaning not almost eaten through from the rust. . and then you need to figure out how to dispose of the waste. .


Add lots of baking soda to the waste and your good to go. Neutral PH will not harm (most) anything.
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worn
post Sep 12 2012, 01:41 PM
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QUOTE(Krieger @ Sep 9 2012, 12:37 PM) *

My 10 yo helped me clean the inside of the tank. I had a lightly rusted area about 2"x 2" that came off easily. Should I coat this tank or just leave it bare?


Here is what I do. The tank in the photo is for a TR6, but I did the same for a badly rusted 914 tank. I used evaporust for a week at about 100 degrees F, and then a couple of days with a mix of nuts, bolts, chain and WD-40 cycling around in this contraption. Shafts tack welded to flange on tank. LOUD. (IMG:style_emoticons/default/happy11.gif) Attached Image
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Elliot Cannon
post Sep 12 2012, 09:50 PM
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QUOTE(worn @ Sep 12 2012, 12:41 PM) *

QUOTE(Krieger @ Sep 9 2012, 12:37 PM) *

My 10 yo helped me clean the inside of the tank. I had a lightly rusted area about 2"x 2" that came off easily. Should I coat this tank or just leave it bare?


Here is what I do. The tank in the photo is for a TR6, but I did the same for a badly rusted 914 tank. I used evaporust for a week at about 100 degrees F, and then a couple of days with a mix of nuts, bolts, chain and WD-40 cycling around in this contraption. Shafts tack welded to flange on tank. LOUD. (IMG:style_emoticons/default/happy11.gif) Attached Image

And when you're not cleaning a tank with it, you can roast a pig or something. (IMG:style_emoticons/default/av-943.gif) Yankee ingenuity at it's best.
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Krieger
post Sep 13 2012, 07:44 PM
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Is there a good rattle can paint for the outside of the tank that won't get screwed up if I accidently get gas on it? I had a recommendation from a paint shop for the VHT product for its chemical resistance.
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Lennies914
post Sep 13 2012, 08:42 PM
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QUOTE(McMark @ Sep 9 2012, 04:33 PM) *

I don't have a big problem with leaving it.



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Strudelwagon
post Sep 16 2012, 10:58 AM
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QUOTE(Elliot Cannon @ Sep 12 2012, 08:50 PM) *

QUOTE(worn @ Sep 12 2012, 12:41 PM) *

QUOTE(Krieger @ Sep 9 2012, 12:37 PM) *

My 10 yo helped me clean the inside of the tank. I had a lightly rusted area about 2"x 2" that came off easily. Should I coat this tank or just leave it bare?


Here is what I do. The tank in the photo is for a TR6, but I did the same for a badly rusted 914 tank. I used evaporust for a week at about 100 degrees F, and then a couple of days with a mix of nuts, bolts, chain and WD-40 cycling around in this contraption. Shafts tack welded to flange on tank. LOUD. (IMG:style_emoticons/default/happy11.gif) Attached Image

And when you're not cleaning a tank with it, you can roast a pig or something. (IMG:style_emoticons/default/av-943.gif) Yankee ingenuity at it's best.


I see some design flaws for its use as a pig roaster! (IMG:style_emoticons/default/happy11.gif)
SW
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Pat Garvey
post Sep 16 2012, 08:20 PM
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QUOTE(Krieger @ Sep 13 2012, 07:44 PM) *

Is there a good rattle can paint for the outside of the tank that won't get screwed up if I accidently get gas on it? I had a recommendation from a paint shop for the VHT product for its chemical resistance.

WolfsburgWest Gray/Black L43. Hard as nails & a near perfect match to ealy tanks.

I took mine down to bare netal & used liberal coats of primer, block sanded with 1000 grit - 2 coats. The L43 took to it like glue. Three coats, 1000 grit each, followed by wet sanding with 2000 grit, and high quality wax (I used Zynol). Came out perfectly.
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