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ZJ gas tank in a TJ


 
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Code3TJ
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Joined: 01 Jan 2004
Location: Uzbekistan

PostPosted: Sun May 09, 2004 11:32 pm    Post subject: ZJ gas tank in a TJ Reply with quote

I'm posting this in general tech since it would probably also apply to a YJ. Somewhere I found a link to this site. One of the mods is a 23 gallon ZJ gas tank. I searched around but couldn't find any write-ups on installing a ZJ tank in either a TJ or YJ. So, does anybody know the dimensions of a ZJ tank? I like the idea since a fuel cell is out of the question (kids wouldn't be too happy sitting on it) and I don't feel like paying $1500 for a Currie 20 gallon tank.
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Black2001TJ
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Joined: 03 Jan 2004

PostPosted: Mon May 10, 2004 3:44 am    Post subject: Reply with quote

Are you only paying $1500 so you can have a 20 gallon tank? Wouldn't the 19 gallon from a 4.0 work fine? YOu can get them new at the dealer, probably $300 or used for $50.. You'll need the pump (unless they are the same, I doubt it) and the evap hoses, and will probably be good to go..
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swamp boy
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Joined: 01 Jan 2004
Location: New Orleans LA.

PostPosted: Mon May 10, 2004 4:48 am    Post subject: Reply with quote

If you are still interested I can measure my tank for you..

IS there something wrong with your tank or do you just want to spend more at the pump , travel farther??
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Code3TJ
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Joined: 01 Jan 2004
Location: Uzbekistan

PostPosted: Mon May 10, 2004 10:11 am    Post subject: Reply with quote

I've got the 15 gallon tank now. I've looked at doing the 15 -> 19 gallon mod, but I'm not sure it would pass our new smog tests. The Currie tank has a lower profile (i.e. better ground clearance) but I don't have that kind of money laying around for something like that. I did some more searching and found the guy who owns the Jeep in the link over at PBB. It ended up that he just mounted the ZJ tank inside the tub. So back to the drawing board. Oh yeah, I just like to have a little insurance when I'm about a zillion miles from any gas stations which was what got me thinking about all of this in the first place. Mr. Green
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qadhafi
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Joined: 25 Jan 2004
Location: Hippiekickerville, USA

PostPosted: Tue May 11, 2004 10:51 pm    Post subject: Reply with quote

Sorry guys, might be a little off topic but I have been thinking about this all day.

1998 Jeep Wrangler TJ
2.5 liter 5 speed manual

Mods.
Dana 60 Front axle
Dana 70 Rear axle
ARBs front and rear
ARB air compressor
5.86 Gears
Moser 35 spline shafts for the front 60
40" Goodyear MTRs
Hummer H2 wheels


I call bullshit. Sure, a 2.5L can turn 40's, I've seen people do it. It's not too fun, but whatever floats your boat. The 5.86 gears would help out too, but come on. Hauling around a Dana 60 and 70, I would think that it would take a little more than a 4.0 Throttle Body and a K&N Airfilter. The H2 wheels can't be light either.

The axles with ARBs isn't exactly a cakewalk install, and if he does his own work then one would think that it would have at the very least a 4.0, but a 350 or a 5.0 would be almost a perfect fit with his list.

Sorry for the rant, but it's been buggin' me all day.

Troy, why would doing the filler hose mod screw you up with the emissions nazis? It's probably something simple, but hermits like me still don't know much about emissions. Mr. Green
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Code3TJ
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Joined: 01 Jan 2004
Location: Uzbekistan

PostPosted: Wed May 12, 2004 1:56 am    Post subject: Reply with quote

I've seen the guy around on PBB and the 4bangers board. Not sure if cutting stuff to increase the capacity would keep everything airtight. I think I saw them using some sort of sniffer around my tank and they hooked up the cap to some device to measure leakage which is what failed me on this go-round. Maybe I'll just be daring and mod the existing tank anyway since I've got another 2 years before I have to do the song and dance again.
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Vahmonta
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Joined: 06 Jan 2004
Location: Vermont

PostPosted: Sat Nov 20, 2004 10:59 am    Post subject: Reply with quote

in 98" and im sure 97-2000 , the 19 and 15 gallon tanks are the same size, the only difference is the length of the filler spout into the tank.
I learned this by accident, went the junkyard to get a new tank, the guy was having problems cross referencing numbers, so we just measured the dimensions and i took it, imagine my surprise the first trip to the gas pump.
anyway i used the same pump off the 15 gal, it just stays on full longer, but empty is the same on the guage.
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