Rear tank for an 88"?

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  • Tim Smith
    Overdrive
    • Nov 2006
    • 1504

    Rear tank for an 88"?

    Probably a dumb question but was there ever a rear fuel tank for an 88?

    Smells like my under seat tanks are leaking (again...) and I'm curious if it's ever been done. It's a little more appealing to have the tank in the back and I think the 90" had a rear tank but I could be wrong.

    Cheers!
  • KevinNY
    4th Gear
    • Oct 2006
    • 484

    #2
    I believe I saw a writeup somehwhere where a guy moved his muffler and put a CJ tank in the back.
    The Goat, 2.8 Daihatsu Td, '73 coil conversion

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    • Chris McKnight
      Low Range
      • Oct 2006
      • 13

      #3
      Rear tank

      I've been wanting to do this for a while. I found a guy (Bill something?) somewhere (OVLR?) who had done this with a jeep tank. He emailed pictures and a description of what he'd done to make it happen. I picked up a filler neck a while back, but have not gotten around to it making it happen yet...

      I think the main idea is to take a CJ tank (with the choice of metal or plastic), and create a basic metal carrier to attach it to the frame. I think he just welded a couple tabs to the frame and made an angle iron bar to sling between the two. He then bolted the tank to this bar. I recall the rear of the tank simply bolting to the rear crossmember, similar to a D110 tank. This might be an ideal situation to just fab up a tank skid plate which acts as a tank carrier too. I think I remember this guy sticking a jeep filler on the rear of the truck. I plan on sticking the Land Rover filler about where it is on a D90. He used a smallish (1"?) hose to connect it to the tank. The small hose allows you to stuff it between the top of the frame rail and the bottom of the tub. If you were to use a LR filler, you'd need to create a way to reduce the giant leaded filler neck to a smaller hose--no big deal.

      If you want some details that are a bit more concrete, I can post up what this fella sent me. It's on the other computer somewhere.

      Chris

      Oh, yeah, as Kevin implied, you'll have to move the exhaust. I think there's room to keep a similar setup by moving the muffler forward so it's just behind the crossmember that's right behind the TC. It's been a while since I did the research, but yeah--it can be done and it has been done.
      Last edited by Chris McKnight; 04-03-2007, 12:10 AM.

      Comment

      • Tim Smith
        Overdrive
        • Nov 2006
        • 1504

        #4
        Cool, thanks guys!

        Comment

        • J!m
          2nd Gear
          • Nov 2006
          • 295

          #5
          There is always the custom tank option...

          I made a stainless water tank for my shower which sits behind the left rear wheel of my 110. All I did was make a cardboard mock-up, bring it to my local fabricator (in that case, it was in West Virginia) and they made it up for me out of Stainless Steel. I modeled it after the "piggy-back" 10-gallon fuel tank I got from Mantec, which sits behind the other rear wheel, replacing the filler hose with a tank (about a 550 mile range now). For my tank, it has a drain, which aligns with the pick-up tube in side for easy cleaning. I also have the filler opening inside the truck, so no one can contaminate my water with fuel, or anything else for that matter. The filler is below the thick rubber mat inside, so I can still stack things on top if I want to. I ended up with about 11 gallons capacity, or 4 showers (if you're frugal).

          So, you can make a tank which works around the PTO if you want to retain the option, or around the muffler (or not). Then just have it made of aluminum or stainless, so there are no rust issues in the future. You will get maximum capacity this way, and the bottom of the tank can be made of heavy material to have an integrated skid plate, and reduce complexity.

          The Jeep option is nice, in that it is already set-up for a filler, sender and venting. These have to be added to a custom tank; however you now have control over what is where and what size it is...

          Free tip: Use a sealed cap, and raise the tank vent to the top of the truck to prevent water in the fuel when fording...
          Owner: James Leach Global Expedition Services.

          1995 110 Regular

          Comment

          • leafsprung
            Overdrive
            • Nov 2006
            • 1008

            #6
            88 tank

            I have a 20 gallon tank in the back of my 88. The issue is where to put a muffler. Luckly the turbo muffles the exaust noise nicley.

            -Ike

            Comment

            • Rat Patrol
              1st Gear
              • Nov 2006
              • 162

              #7
              have you checked Land Rover Addict?

              I posted the same question there.

              The solution is to use a Jeep setup. You need to add a second filler and install a heat shield around the tank, such as a skid plate.

              I believe there are pis or a link to pics on LandRovers Only forum.

              I have yet to do the conversion becasue Gerry cans work for me
              1973 Series III 88. "PHYDXO"

              Comment

              • leafsprung
                Overdrive
                • Nov 2006
                • 1008

                #8
                Just make your own tank, the jeep tank is junk.

                Comment

                • Tim Smith
                  Overdrive
                  • Nov 2006
                  • 1504

                  #9
                  Thanks for the ideas folks.

                  If I ever get the time, I'm going to try and make a tank as I like the idea of integrating a skid plate and getting every gallon possible out of the limited space. Unfortunately my welding skills need a lot of polishing so I'll file this project under 'Feeling Adventurous'.

                  Comment

                  • yorker
                    Overdrive
                    • Nov 2006
                    • 1635

                    #10
                    TAW has had this mod on her website for a long time, I'm surprised no one posted the link:


                    1965 SIIa 88",1975 Ex-MOD 109/Ambulance, 1989 RRC, blah, blah, blah...

                    Land Rover UK Forums

                    Comment

                    • singingcamel
                      4th Gear
                      • Oct 2006
                      • 398

                      #11
                      the only really big problem when you add a rear gas tank is the re routing of the exhaust.
                      as you are probably well aware of ,the muffler is sitting where the tank will go.
                      always a little anxious about the exhaust so close to the fuel cell, scarry in fact...

                      Comment

                      • yorker
                        Overdrive
                        • Nov 2006
                        • 1635

                        #12
                        Originally posted by singingcamel
                        the only really big problem when you add a rear gas tank is the re routing of the exhaust.
                        as you are probably well aware of ,the muffler is sitting where the tank will go.
                        always a little anxious about the exhaust so close to the fuel cell, scarry in fact...
                        Have you ever looked at how close it is on some modern cars?

                        You can always reconfigure the exhaust to side exit like on a Willys jeep, if done right you can reconfigure it to avoid having the portion that goes beneath the bulkhead cross-member as well. There are a variety of safe ways to do it if you think about it and are able to bend up your own exhaust.
                        1965 SIIa 88",1975 Ex-MOD 109/Ambulance, 1989 RRC, blah, blah, blah...

                        Land Rover UK Forums

                        Comment

                        • PH4
                          3rd Gear
                          • Jan 2007
                          • 375

                          #13
                          I know that British Northwest made an aftermarket rear tank specifically for the 88. No idea how $? I have a 62 109 3 door with two tanks (one under both front seats). The one on the left I believe is a military and appears much stronger and larger than the normal Rover underseat gas tank. May be an option for you. Good luck.

                          Comment

                          • singingcamel
                            4th Gear
                            • Oct 2006
                            • 398

                            #14
                            i sure have, the original exhaust is still the best. mounts well and stays put. and is out of the way!!
                            the diameter of the exhaust is important as well,if you redo the exhaust.
                            add another tank on the drivers side, you will be better off..

                            Comment

                            • sayers
                              1st Gear
                              • Oct 2006
                              • 126

                              #15
                              Whar year do you have ? I just replaced my tank on my 74 88 and it was a piece of cake, little did I know that there was also a small tank under the drivers seat for emission control. If your 88 has the smog stuff on it you might check on this first, just a thought.

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