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post #1 of (permalink) Old 01-03-2002, 08:25 PM Thread Starter
 
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kinda simple gas tank questions...

first and foremost i am an idiot: how does the gas tank strap go on?? The strap and the skid are both new and for the life of me i cant figure out how the end of the strap with a small loop attaches. Go figure.

Second, i just got my new tank for free from a guy in the local jeep club. It is in really good shape except the filler vent tube is missing. I didn't notice it until i got home. It looks like a clean cut or break right at the base of the tank. Help, where do i get the tube and how do i weld it on? Thanks a million for putting up with these stupid questions- Tim


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post #2 of (permalink) Old 01-03-2002, 08:58 PM
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Re: kinda simple gas tank questions...

for the strap.. there are two different ends of it, the end that is threaded (like a bolt.. 5/16" i believe) goes in the back side of the skid plate. you have to attach the front end of it first though.. once you look at it you will see.

it has been discussed here before, and i think most people agree that welding on a gas tank isn't safe.


Mark
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post #3 of (permalink) Old 01-03-2002, 09:07 PM
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Re: kinda simple gas tank questions...

I just replaced my tank and made a new stainless strap for my CJ7. I broke the bolt off when I removed it so I just made a new one. One end of the strap has a 3/8" rod about 2" long that is fixed to the strap sidways. It goes into a square hole in the skidplate. The other end has a stud welded on and it goes into a hole on the other side with a nut and washer. Hope this helps.

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post #4 of (permalink) Old 01-03-2002, 09:31 PM
 
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Re: kinda simple gas tank questions...

just post a thread called "gas tank welding" and 4 months later after all teh arguing and name calling, youll end up taking it to a pro to weld, or buying another tank.



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post #5 of (permalink) Old 01-03-2002, 09:36 PM
 
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Re: kinda simple gas tank questions...

If you're gonna weld the tank and are worried about explosions, why not just fill it with water? Just make sure it's dry before you put gas in.

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post #6 of (permalink) Old 01-03-2002, 11:41 PM Thread Starter
 
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Re: kinda simple gas tank questions...

the tank has been dry for 5 years... There is nothing in it, i am not worried about explosions. [img]/wwwthreads_images/icons/smile.gif[/img]

I am just going to go to the store and find the right sized tube and gas weld the sucker on there.

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post #7 of (permalink) Old 01-04-2002, 12:20 AM
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Re: kinda simple gas tank questions...

It can be dry for years and STILL blow up in your face.
Fill it with water if your gonna weld it.

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post #8 of (permalink) Old 01-04-2002, 12:21 AM
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Re: kinda simple gas tank questions...

"Nothing in there" meaning nothing LIQUID in there? Please don't weld it without filling it to the top with water. The residue left in the tank will quickly turn to a gas as you heat it up and the results wont be pretty!


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post #9 of (permalink) Old 01-04-2002, 12:24 AM Thread Starter
 
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Re: kinda simple gas tank questions...

I still dont understand how there can be no liquid in the tank and then magically fuel vapors...

I will err on the side of caution though. I think i am just going to JB weld the neck on there. That stuf is plenty tuff to last ten years.

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post #10 of (permalink) Old 01-04-2002, 12:47 AM
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Re: kinda simple gas tank questions...

The leftover gasoline, over time, turns into a sticky, syrupy residue. It will form a layer of this residue on the interior walls of the gas tank, and stay there for many many years. As this residue is heated up, it kinda' melts as it gets hot from the welding and although you could never run an engine on the stuff, it is still very flamable and unstable. The other thing you could do is look into a plastic vent "bung" that would fit in from the inside and has a nut on the outside to hold it to the tank. I remember seeing these at RV supply places, but don't know if the material they are made of would resist gas.

Sorry to scare ya' about the "old gas" thing, but after a friend torched the gas tank straps off of a '53 Desoto that had an "empty" tank and had been in a back yard for 25 years, the tank exploded! He had some schrapnel in his arm and chest and it took a while for his eyebrows to grow back, but came out of it better for the experience.


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