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Old 01-15-2011, 05:13 PM   #1
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Yj gas tanks...HELP ME!!!

Hey guys just got a 91 jeep wrangler 4.0L inline 6. Gas tank is leaking and I'm pretty sure it's the 20 gal tank. Looked online and saw that the 15 and the 20 are basically the Same you just have to remove something inside the 15 and it'll hold 20 gallons....so what I was wondering was can I use a 15 gal tank and save money or do I have to install a 20 gal?? Please give me your feedback I need help!!! Thanks

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Old 01-15-2011, 05:21 PM   #2
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you mean this?

Wrangler YJ Gas Tank Modification 15 to 20 Gallons

It's just a conversion, you don't have to buy a new tank. Keep in mind though that your fuel guage may be inaccurate if you go from 15 to 20

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Old 01-15-2011, 10:44 PM   #3
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^^^ what he said lol

I believe you can adjust the float on some models by moving the tensioner up. It should have a notch that just has a 15 and a 20 stamped on it.

Just remember something before doing that mod. In the event of a rollover or laying the Jeep on it's side, you WILL have lots of fuel spilling out. And possibly right onto the exhaust. Just one of the reasons I haven't done it.
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Old 01-16-2011, 12:09 AM   #4
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There are plenty of plastic ones being re-popped. Depending on your use, you might want to check into a fuel cell instead. Sometimes they are cheaper and can be bought in many different configurations. You will most likely need to re-calibrate your fuel gauge, no matter what you do.
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