welding on a used gas tank - Hot Rod Forum : Hotrodders Bulletin Board
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Old 10-07-2004, 06:08 PM
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welding on a used gas tank

for the people out there that want to install a sump in thier gas tank. I recently welded a sump in my gas tank. the steps I took to do it safely..
1.washed it out several times with soap and water.
2.used a hammer and punch to nock a hole in one end while i filled it with water at the other end, this was jsut to make sure I got all the fuel out..
3. I cut a hole in the tank where the sump went with metal snips.
4. Most imprtant part
I used a long 2 inch hose and ran it off my daily driver cars exhasut and into the fuel tank. this gets rid of all the oxygen;therefore, no explosion can take place.. let the car fill the tank up with the exhaust fumes... also be sure you exhaust making car is not running rich with fuel spewing out the exhaust..have fun.. believe me I was scarred at first when i was doing this but I am still alive..
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Old 10-07-2004, 06:34 PM
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Now that you are the "expert", we are bring all our gas tank welding to you.......................
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Old 10-07-2004, 06:36 PM
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gas tank

heck no, I'm crazy enough to do it once but I'm not about to keep pushing my luck.
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Old 10-08-2004, 08:01 PM
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if I had to...

I would modify a new tank but wouldn't mess with an old used tank..to risky for me!!!


Tazz


Rat Rods Rule!
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Old 10-09-2004, 01:17 AM
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hell as long as the tank is only half full i just flip it over and use a torch to cut the hole for the sump and then weld on the sump. Yall are being to cautious.





J. K.
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Old 10-10-2004, 09:33 PM
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Dear Dubz ( may God rest his soul)!


The exhaust hose from a car exhaust seems to be a pretty common solution. If you have one, exhaust from a diesel is even better.
A couple of us had to do some welding on a waste oil tank (who knows what had been dumlped it it). We opened the top and emptied about 1/2 a CO2 fire extinguisher into it. While my partner welded, I kept putting little squirts into it. Both of us and the tank came out fine.
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