homemade gas tank

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robotmickey

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Yeah, the only thing is that if you paint the out side with just like spray paint, and then you spill gas on it, it'll come right off, so be careful when you fill it.
 

bighead

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Take your finished tank to a radaitor shop and have them Redcoat the inside. Cheap liner if you can find a radiator shop that still uses it. Before Por15 tank liner I used to do it the Redcoat method all the time. Almost all the rad shops in my area no longer use it for some reason. Redcoat you also see inside metal 55g barrels.
 

mini chopper

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yahh haha wish i would of got here earlier too lol... well if you need anything else made, i can make it for ya, headers, manifolds, custom gas tanks, motor mounts, basically anything that needs to be welded, let me know if you need anything pce
 

bighead

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yeh, but some brands make a fuel resistant spray paint, i think dupli-color makes it

No rattle can spray will resist gas. Not sure what they meen by gas resistant. I have use this stuff and it just like cheap spray paint when it comes to gas spills. They do make a 2 part rattle can now. It has hardner inside the can. You break the hardner inside the can to make a 2 part paint. They are like $20 a can though.

Most all auto paint stores now sale 2 parts rattle cans. They mix the high quality paint and hardner into a rattle can for you. My store charges $12 a can. You have about 5 days to use it before it gets hard inside the can.
 

Doc Sprocket

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No, I wouldn't think so either. For an alkyd enamel to be fuel resistant, it generally has to be baked or otherwise cured, and even that is formulation-dependent.
 

r97

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i'll see about the radiator shop, but seeing that tanks apparently don't rust out very fast i think i will just not do any thing to the inside, maybe once it does rust i will seal it.

i got the main pieces cut out, then i almost finished welding them when i ran out of wire, i would have finished but the second i stood up my knees old me i was done! heres how it looks so far!







 

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Doc Sprocket

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Got a little grinding to do, eh?

You could be long done with the project before rust really becomes a problem. More so if you always keep the tank full.

How thick is the metal?
 

r97

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you really think 22ga is too thin? when its welded into a shape its pretty strong, besides i'm not going to be hitting ti with a hammer or anything.

yea i will be taking advantage of the bench grinder, but at-least it wont leak!

after crouching on the floor for 3hrs or so making this.... i can't wait to build my welding table!!!!!!
 

devino246

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you really think 22ga is too thin? when its welded into a shape its pretty strong, besides i'm not going to be hitting ti with a hammer or anything.

yea i will be taking advantage of the bench grinder, but at-least it wont leak!

after crouching on the floor for 3hrs or so making this.... i can't wait to build my welding table!!!!!!

No really a strength thing, just more sound welds on 18ga.
 

newrider3

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Not to look down on your welding abilities, but I very highly doubt that is going to hold liquid. Even a perfect looking bead quite often has a pinhole or two, and I don't see any real weld there.
 

r97

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yea i see what you mean, but i can assure you every weld has FULL penetration! lol, i was actually going to use 18ga, but my home depot doesn't sell it, and the next option was 16ga which i wouldn't be ably to bend very well.
 

devino246

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yea i see what you mean, but i can assure you every weld has FULL penetration! lol, i was actually going to use 18ga, but my home depot doesn't sell it, and the next option was 16ga which i wouldn't be ably to bend very well.

Home Depot is a rip off anyway. Metal supplier is best.
 

r97

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lol, yea its all spot welds over lapping spot welds, with actual welds here and there, it will probably leak in a few places, but i'm sure if i had to i could throw on some JB weld or something. its also all done with FCAW.
 

r97

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i know metal supplier is where to get metal, but it wasn't worth a 2 1/2 hour round trip for 7 dollars worth of metal.
 

Doc Sprocket

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As far as the welds go, the proof is in the pudding. Clean it up, weld a bung hole on it or whatever you're going to do, fill it with water, and touch it up where it leaks. No need to speculate, just test...

Do NOT put fuel into it unless you're absolutely finished welding on it. Once the vapours are in there, you're dancing with the devil!
 

r97

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thats what i'm going to do, but while i'm making it i'm going to fill in anything that could be a hole. once i grind the welds it should help reveal most of the holes.
 
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