Walkenvol Posted November 4, 2010 Share Posted November 4, 2010 Might be new to the Comanche world as I'm considering buying an '89 4.0, AX-15, shortbed, 2wd MJ from a friend. Always owned jeeps and the current one is a '68 C101 that I've spent the last several years restoring. Spent way too much time the last couple of days reading this forum (worse than porno to a teenager) and considering just how I might build an MJ along with admiring the craftmanship of several completed projects on this forum. Anyway, I recall reading somewhere early on (can't locate it now) about using a poly gas tank from a Dakota to replace a rusted metal MJ tank. Does anyone know the particulars of this mod? I looked at a longbed Dakota today and the poly tank appears to be quite large. Is the stock MJ tank really only 13.5 gallons? Has anyone put in dual tanks, one on each side? It appears there might be room on the passenger side for a 2nd tank if a short muffler was used and pushed back as close as possible to the rear axle. Thanks in advance and again thanks for the interesting reading. Link to comment Share on other sites More sharing options...
dasbulliwagen Posted November 4, 2010 Share Posted November 4, 2010 I can't comment on the feasability of the Dakota tank, but noticed yesterday, while working on a Liberty, that its tank appears to be a similar size to a shortbed Comanche, and its poly. I took measurements for future reference. It is about 34" long, 16" wide at fill tube end, 13" wide on other end, and around 15" tall. The pump is mounted in the top. Not sure if this would be adaptable or not, but might be worth a shot. And its Jeep too! Link to comment Share on other sites More sharing options...
johnj92131 Posted November 4, 2010 Share Posted November 4, 2010 Jeepman is the fellow to talk to. viewtopic.php?f=25&t=24055&p=249546&hilit=dakota#p249546 That may be the thread you read. But check Ebay for gas tanks. think there is an 18 gal. tank available Also, think the 13.5 gal tank info is wrong. Link to comment Share on other sites More sharing options...
87Warrior Posted November 6, 2010 Share Posted November 6, 2010 Jeepman did the Dakota tank in order to fit the 97+ XJ fuel pump/sender for his full on conversion. I too plan on going the same way with my 97+XJ retrofit. Link to comment Share on other sites More sharing options...
Walkenvol Posted November 7, 2010 Author Share Posted November 7, 2010 So the Dakota poly tank is a direct swap except for the fuel pump location? Has anyone done the dual tanks? Link to comment Share on other sites More sharing options...
Pete M Posted November 8, 2010 Share Posted November 8, 2010 longbed had 16 and 23.5 gal tanks (big tank was optional in early years and eventually became standard). shortbeds had a 18 gal tank. shortbed and longbed tanks do not directly interchange. modding would be necessary. Link to comment Share on other sites More sharing options...
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