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evantwheeler

Fuel Cell Help

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The stock tank in my 1977 FJ40 (under passenger seat) needs to be removed for new suspension seats and cage modifications to support seats.  I've been searching for a fuel cell to fit directly behind the new seats and cage and I have about 40.5" between my wheel wells.   The best option I can come up with dimensionally is this Harmon bladder style cell which measures 40" wide x 14" tall x 14" wide at the base and 7" wide at the top.

https://www.harmonracingcells.com/store/p145/22_Gallon_-_CUTE22.html

This is a recreational trail rig, I don't really want to spend $1500 on a custom bladder fuel cell designed for racing but I cannot find anything with similar dimensions on the market.  I've looked through Summit, all of Jaz's offerings, all of RCI's offerings, all of Fuel Safe's (also bladder style cells).  Am I missing any big fuel cell manufacturer?  

Here is another off the shelf option, but I wish it was another 6" wider to utilize available space.  They do make a very nice mount frame to go along with it.  I would have to add the sender myself by drilling into a brand new fuel cell :( This unit is probably $700 with shipping and tax. 

https://www.motobilt.com/product/jeep_yj_fuel_tank_behind_seat_aluminum

Is there anyone in the Inland Empire that builds aluminum tanks to spec that can be recommended?  

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If you don't need a real fuel cell have a fuel tank made for it. 

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44 minutes ago, L.R.S. said:

If you don't need a real fuel cell have a fuel tank made for it. 

This is what I am thinking, but have no idea who to go to for this locally.  I want someone that is familiar with building tanks - as posted above I can get a decent tank and mount for $700, built in the USA, but it's not ideal for my intended space.  

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I had a similar issue with my buggy. I had a size and shape in mind and no off the shelf would work for me. I pictured what I wanted, bought sheet metal aluminum I believe it was .100 and cut it all up to what I had in mind. I had one big flat piece that wrapped around in a square C shape and one flat piece that would inlay inside the C channel that closed it to create the body. Then I had flat end caps to seal the sides. I even went as far as adding two baffles inside that were welded in. 

I was happy as can be. Never had done something like it. I had the C channel piece bent 4 times at, if I recall, it was a sheet metal place that did air ducts or something like that. I told them the angles I wanted on them as I needed a 60degree slant. Then, I took it all to get welded up by an expert. He busted it out and it's working perfectly! I love it. cost effective and exactly how I wanted it. Maybe you can take this course? Just sharing my experience is all. Good luck!

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6 minutes ago, Chingon619 said:

I had a similar issue with my buggy. I had a size and shape in mind and no off the shelf would work for me. I pictured what I wanted, bought sheet metal aluminum I believe it was .100 and cut it all up to what I had in mind. I had one big flat piece that wrapped around in a square C shape and one flat piece that would inlay inside the C channel that closed it to create the body. Then I had flat end caps to seal the sides. I even went as far as adding two baffles inside that were welded in. 

I was happy as can be. Never had done something like it. I had the C channel piece bent 4 times at, if I recall, it was a sheet metal place that did air ducts or something like that. I told them the angles I wanted on them as I needed a 60degree slant. Then, I took it all to get welded up by an expert. He busted it out and it's working perfectly! I love it. cost effective and exactly how I wanted it. Maybe you can take this course? Just sharing my experience is all. Good luck!

I can certainly design, fabricate, and weld my own tank,  and as a matter of fact the shop next door is a metal fab shop and I'm sure I could work something out to have the guys teach me how to use a press brake so I'm not welding every dang seam.  To be honest, I'm not looking to make this into a 3 weekend fuel tank build project so don't have a problem paying.  

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You can weld and fabricate, and have a welding shop next door that can help? Pretty sure this just be same a DIY project.

Or I see plenty of used fuel cells on RDC for $200-$300. Buy one and use it to get you through the next trip and build your own when time allows.

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39 minutes ago, sausage450r said:

This was one of the first ones I looked at.  I wish it was 10” wider.  This would definitely work for the time being, and like LRS suggested, I could design and build my own as time allows.  That would give me an excuse to buy a TIG welder and learn how to use it.  Or maybe just a spool gun for my Miller 210.

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On 2/5/2019 at 4:01 PM, evantwheeler said:

I can certainly design, fabricate, and weld my own tank,  and as a matter of fact the shop next door is a metal fab shop and I'm sure I could work something out to have the guys teach me how to use a press brake so I'm not welding every dang seam.  To be honest, I'm not looking to make this into a 3 weekend fuel tank build project so don't have a problem paying.  

Less welding if you make 2 Cs: one bent lengthwise and one bent crosswise. Fit the 2 together and weld the 6 seams on either end. 

When you toss it in your rig, make sure it has a good support frame and try not to mount it directly to the tub. Rubber isolation sheets will help keep it from fatiguing. 

Edited by Rockwood

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I bought the motobilt fuel tank and mount posted in the OP.  I don’t have the desire to build my own tank right now, and this tank fits pretty well in my intended space.  I’ll post photos once it’s installed,

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