Luvtohunt Posted May 9, 2009 Share Posted May 9, 2009 Need to replace the gas tank in my 88 MJ. Its a 4 wheel drive long box with the 6 cylinder inline engine. Any advice or specifics I should know? Thanks again. Link to comment Share on other sites More sharing options...
Eagle Posted May 9, 2009 Share Posted May 9, 2009 You can order new ones through the parts chains or any radiator shop. Should cost you around $150. The longbed had two capacities -- you might as well get the large one, since the price will be the same. Link to comment Share on other sites More sharing options...
Pete M Posted May 9, 2009 Share Posted May 9, 2009 If the J-bolts and straps are all rusty and crusty, I'd get new ones and just cut the old. :thumbsup: Link to comment Share on other sites More sharing options...
Hawk Posted May 9, 2009 Share Posted May 9, 2009 I have an extra sitting here from a short box, but shipping it would probably prove more of a headache then you buying a new one. Are you close to StL, MO? Link to comment Share on other sites More sharing options...
Pete M Posted May 9, 2009 Share Posted May 9, 2009 Used gas tanks are notoriously difficult to ship (being hazardous cargo). Also, I'm not sure if a shortbed tank will easily swap to a longbed. :hmm: Link to comment Share on other sites More sharing options...
Luvtohunt Posted May 9, 2009 Author Share Posted May 9, 2009 Used gas tanks are notoriously difficult to ship (being hazardous cargo). Also, I'm not sure if a shortbed tank will easily swap to a longbed. :hmm: Is there a difference between the long and short box tanks? Link to comment Share on other sites More sharing options...
Pete M Posted May 9, 2009 Share Posted May 9, 2009 Shortbeds only had an 18 gal tank. Longbed had either the 16 gal or the 23.5 gal (which in the later years became standard) Link to comment Share on other sites More sharing options...
Luvtohunt Posted May 9, 2009 Author Share Posted May 9, 2009 Shortbeds only had an 18 gal tank. Longbed had either the 16 gal or the 23.5 gal (which in the later years became standard) Will a short bed tank fit a long bed? Link to comment Share on other sites More sharing options...
Pete M Posted May 9, 2009 Share Posted May 9, 2009 I do not know. :( Link to comment Share on other sites More sharing options...
Eagle Posted May 9, 2009 Share Posted May 9, 2009 Shortbeds only had an 18 gal tank. Longbed had either the 16 gal or the 23.5 gal (which in the later years became standard) Will a short bed tank fit a long bed? Not without modifying something. The tank for the SWB chassis was designed to fit the SWB chassis. It is a different size than the tank for the LWB chassis. Link to comment Share on other sites More sharing options...
cherokee Posted May 10, 2009 Share Posted May 10, 2009 If I remember correctly the SWB used two retaining straps and the LWB used three. I would guess the strap indentations won't line up if you try to switch the two. Link to comment Share on other sites More sharing options...
whowey Posted May 10, 2009 Share Posted May 10, 2009 If you have the big tank... drain it before trying to take it down... That was a suck experience... 100+lbs dropping on my head..... Link to comment Share on other sites More sharing options...
FxRacing282 Posted May 11, 2009 Share Posted May 11, 2009 If you have the big tank... drain it before trying to take it down... That was a suck experience... 100+lbs dropping on my head..... :doh: :popcorn: :rotf: Link to comment Share on other sites More sharing options...
Deleted user Posted May 11, 2009 Share Posted May 11, 2009 not to jack the thread but since I'm doing the same thing what is with the skid plate bolts being bolted to a nut in the channel under the bed. and what in the world do you do when the bolt free spins. no way to get a wrench at the other side without cutting open the bed??? :fs1: Link to comment Share on other sites More sharing options...
MJ300 Posted May 12, 2009 Share Posted May 12, 2009 not to jack the thread but since I'm doing the same thing what is with the skid plate bolts being bolted to a nut in the channel under the bed. and what in the world do you do when the bolt free spins. no way to get a wrench at the other side without cutting open the bed??? :fs1: Ran into the same situation a few days ago, take a grinder of some sort (even a dremel) and put two cuts in the shape of a "+" into the head of the bolt. Then take a big chisel and hammer and knock the crap outta it until the head of the bolt flies off. Link to comment Share on other sites More sharing options...
JeepcoMJ Posted May 12, 2009 Share Posted May 12, 2009 Shortbeds only had an 18 gal tank. Longbed had either the 16 gal or the 23.5 gal (which in the later years became standard) that's odd. when I could fill my tank (before sending unit started leaking) I could put 21 gallons in it easily. Link to comment Share on other sites More sharing options...
mvusse Posted May 12, 2009 Share Posted May 12, 2009 My 23.5 gallon tank took almost 26 gallons on the first fill up after installing it empty. Link to comment Share on other sites More sharing options...
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