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Unread 08-07-2009, 10:08 AM   #1
mtnsammy
Registered User
1990 XJ Cherokee 
 
Join Date: Mar 2006
Posts: 80
Fuel Tank

I dropped my tank after an evap test for smogg. Fuel was gushing out from the top. It passed the first time but I went off road playing on the rocks and something went pop.

Short version small tube on sending unit broke off and all the hoses look like sponges. I am suprised I could hold any fuel at all. Inside the tank is the usual scales and rust. POR 15 will repair the stock tank at about $50 new sending unit $30.

Question?? Should I replace the tank with 21 gallon aftermarket or 15 gallon? $119 for steel $339 for poly-15 still looking for 21 gallon poly.

This rig is great on the rocks but I am only lifted 2-3 inches now with 31 inch tires.

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Unread 08-07-2009, 10:31 AM   #2
string
Registered User
1982 CJ7 
 
Join Date: Sep 2005
Location: Hidalgo, TX
Posts: 53
Quote:
Originally Posted by mtnsammy View Post
I dropped my tank after an evap test for smogg. Fuel was gushing out from the top. It passed the first time but I went off road playing on the rocks and something went pop.

Short version small tube on sending unit broke off and all the hoses look like sponges. I am suprised I could hold any fuel at all. Inside the tank is the usual scales and rust. POR 15 will repair the stock tank at about $50 new sending unit $30.

Question?? Should I replace the tank with 21 gallon aftermarket or 15 gallon? $119 for steel $339 for poly-15 still looking for 21 gallon poly.

This rig is great on the rocks but I am only lifted 2-3 inches now with 31 inch tires.
I replaceed my stock 15 Gal steel tank, with poly 21 Gal, almost two years ago, I have found that I have to think less about my remaining fuel since. so that means longer trips!!

last year I repalcesd my fuel tank skidplate as I hit it hard one time and found that rust was slowly eating it. I sitll havent had any problems with the poly tank.
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Unread 08-07-2009, 01:13 PM   #3
Rob55
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1984 CJ7 
 
Join Date: Sep 2006
Location: california
Posts: 488
I replaced my 15 with the OEM 21 gallon tank (not the aftermarket 21 gallon tank) to keep my ground clearance. The 21 gallon aftermarket hangs down about 4 inches lower than the 15 gallon. I also picked up a 4x Doctor skid plate for it that is incredible. The 21 OEM units are a bit harder to find but they are out there. (They fill the entire area between the leaf springs/fram rails rather than hang down further to get the capacity). Hope this helps. Either way poly is a the best way to go, if you have a good skid plate.
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1984 CJ7, 258, MPI, 4.0 head, Borla, 700r4, amc20 (detroit), Dana 30 (OX), 4.56 gears, Warn Hubs, Dana 300 with 4:1, 4.5 RE lift with 1" body, Bilsteins, dual battery, PS, PB, full cage, two dogs in the back....
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