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Author Topic: Gas tank mod  (Read 2212 times)

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Offline bryanjeep

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Gas tank mod
« on: April 21, 2018, 01:41:50 AM »
Has anyone done the mod to there gas tank to get the full 19 gallons, i have a 15 gallon but i heard its the same tank but different hose. anyone have any info for what exactly to do? TIA
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Offline Jeffy

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Re: Gas tank mod
« Reply #1 on: April 21, 2018, 11:53:35 AM »
For a TJ, it's a bit more involved.  The vent tube is molded into the tank.

http://4bangerjp.com/forums/index.php/topic,10.0.html
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Offline bootguy

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Re: Gas tank mod
« Reply #2 on: November 15, 2018, 09:05:57 PM »
This is in the plans in the near future as I need to replace all the rubber around my tank.  I have slight leakage when cornering and get a strong gas smell.  Going to replace the sending unit and the pump when I have everything down.
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1994 Jeep Wrangler, 2.5L, automatic, 2.5" lift, 4:88 gearing, 33" tires, 2.5" exhaust from manifold back, air restrictor removed.

Offline jrager

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Re: Gas tank mod
« Reply #3 on: November 28, 2018, 05:30:54 PM »
I did it to my 93 YJ I get between 21-22 gallons filled to brim. I had to change out the fuel pump so I just pulled the tube while I had the tank dropped.
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Offline jfrabat

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Re: Gas tank mod
« Reply #4 on: February 02, 2020, 12:03:07 PM »
Quote from: bryanjeep on April 21, 2018, 01:41:50 AM
Has anyone done the mod to there gas tank to get the full 19 gallons, i have a 15 gallon but i heard its the same tank but different hose. anyone have any info for what exactly to do? TIA

I did it YEARS ago (2008?) on my 94 YJ.  Meter would read full for a while, and then drop quickly.  I know when it read 1/2, it was really 1/4 tank.  When my pump started acting up, I replaced the sending unit, so I could have an accurate gauge.  A few weeks ago, I had to replace the tank (hit something in the trail and broke mine), and it already left the tube out.
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'94 YJ 2.5L with 4" RE lift, Superwinch EPi9.0, FoMoCo e-Fan, SD30 and SD35 w/ARB-5.13, 165A alt., 33" BFG KM2 on 15" AR wheels, Sony sound system, Pavement Ends Hardtop, Hydroboost

Offline joe_sojka

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Re: Gas tank mod
« Reply #5 on: May 08, 2020, 07:13:34 PM »
I just bought a 19 gallon tank. Heard sticking your hand in the tank to cut the tube isn't bad though
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Offline Jeffy

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Re: Gas tank mod
« Reply #6 on: May 11, 2020, 12:28:48 PM »
Quote from: joe_sojka on May 08, 2020, 07:13:34 PM
I just bought a 19 gallon tank. Heard sticking your hand in the tank to cut the tube isn't bad though
Is that a TJ tank?
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"If the motor car were invented today, there is absolutely no way that any government in the world would let normal members of the public drive one."

Offline joe_sojka

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Re: Gas tank mod
« Reply #7 on: May 18, 2020, 05:08:57 AM »
Quote from: Jeffy on May 11, 2020, 12:28:48 PM
Is that a TJ tank?

Yeah, stock TJ tank from a 6 cylinder. found a guy on facebook marketplace selling one. Same tank just no vent tube.
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4 inch springs. 1.25" body lift. Ford 8.8. Clayton 4 link. SYE. Tom Woods shaft. Dayton Timberline MT 33s
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