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-   -   Replacing the 15 gallon gas tank (http://www.wranglerforum.com/f210/replacing-the-15-gallon-gas-tank-35997.html)

specbill 09-05-2009 11:16 AM

Replacing the 15 gallon gas tank
 
The '98 TJ's have a 15 or 16 gallon tank....does anyone know if the newer 19 gallon TJ tanks can be fitted in place of the 15 gallon tank reasonably easy?

thanks
Bill J.

u.p.jeeper 09-05-2009 08:16 PM

google jeep 20 gallon mod ive seen a lot of threads that state the tank is the same you just need to change the filler tube here are a few links Wrangler YJ Gas Tank Modification 15 to 20 Gallons Jeep Wrangler 20-gallon Gas Tank Conversion

Levinoss 09-05-2009 08:21 PM

Quote:

Originally Posted by u.p.jeeper (Post 436239)
google jeep 20 gallon mod ive seen a lot of threads that state the tank is the same you just need to change the filler tube here are a few links Wrangler YJ Gas Tank Modification 15 to 20 Gallons Jeep Wrangler 20-gallon Gas Tank Conversion

Our filler neck doesn't look like that, at least not on the 98's. I checked it out when I had my tank dropped and it didn't have a long filler neck like the YJ's in those links. Mine was close to the top of the tank and just had a simple bobber that would close the hole when it was full.

http://www.wrangleryj.com/images/gas...ck-liner-4.jpg

Doesn't have that on the inside of our 15 gal tank.

Jesse-James 09-05-2009 10:40 PM

I thought in the early TJ it could still be done but the tube was molded to the tank. IIRC you can still do it but you have to drop it and go through the fuel pump hole to cut it.


Edit: here's the link..... http://www.gottrail.com/TJ/TJfueltankconversion.html

Levinoss 09-05-2009 11:07 PM

Quote:

Originally Posted by Jesse-James (Post 436351)
I thought in the early TJ it could still be done but the tube was molded to the tank. IIRC you can still do it but you have to drop it and go through the fuel pump hole to cut it.


Edit: here's the link..... Got Trail? Rob's (AKA seRob) Jeep site


MHM

Quote:

Now, I'm sure you're wondering about the little ball valve on the end of the larger filler tube that you just cut off. As far as I know it's only purpose is to float up & cause enough back pressure to make the pump at the service station kick off after filling the tank to 15 gallons. IT IS NOT THE ROLLOVER VALVE, as some may believe. In the photo to the right, My Jeep was almost completely on it's side. I had a full tank, and not one drop spilled.
Good enough for me then. I thought it was for that but if it's not I wish I had cut it off and got the larger fuel pump while I was replacing it.

Jesse-James 09-05-2009 11:13 PM

Mhm?

NWPATJ 09-05-2009 11:24 PM

Sounds like a future project to me!

Levinoss 09-06-2009 01:58 AM

Quote:

Originally Posted by Jesse-James (Post 436368)
Mhm?


I was quoting what is said about the bobber in the link you post. I thought it was so it wouldn't spill out but I was wrong. I'll do this mod when I get a new skid for the tank. I just don't want to have to drop it again and mess with the fuel pump all over again.

specbill 09-06-2009 09:47 AM

Thanks for the info gentlemen ...you guys are all over it.. as always!

Bill J.


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