Long range fuel tanks

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Mobi,

Do you have photos of how you mounted the gas filler to the truck and to the tank? I have the tank and the filler that came with it - I was able to get the dual filler you have and I am hoping to see how you did it.

Also, do you have any issues with vapor - when it is hot out, off-road and at altitude? Thank you very much.

Amando

Its been quite a few years now since I did my aux tank but IIRC Dave relayed there isn't a different (i.e. larger) evap canister for the aux tank equipped 100's.

To resolve the obnoxious fume venting on even not-so-hot days I'd try a new evap canister but fawk at ~$400 I'm claiming cheapskate on that one...plus I don't think it will make an appreciable difference trying to deal with 50-gallons of fuel tank space.

Too damn bad we couldn't swap out for a Kragen/GM generic charcoal canister for ~$50 like 80-Series guys are doing :rolleyes:
 
I have never had fume problems, but then again I only use the tank a few times a year. I did throw a code for a bad canister within a year of installing it and replaced with a used unit for around $200. I think new ones, as Dan says above, were around $400. Recently, which has been several years since I installed the new to me canister, my scangauge said I had the same code about to be thrown, but it never did.

My only other issue, is the noise it makes sometime as there is metal to metal contact, however a little silicone spray takes care of it.
 
Dan,

I have one of those GM cans - I was going to install the factory fuel inlet and somehow have another hose attached up high - then pipe it out to the GM canister and have it mounted behind the spare tire.

Yeah my stock charcoal canister is toast and I hear you on the $400 replacement. I bought a used one from a wrecking yard - that went bad too. I tried opening the stock one - see if I can "rebuild" but that didn't work either.

Anything above 75F ambient - or off road (sloshing around) and altitude. I need to keep venting by opening gas cap or leave it open and get a check engine light. It smells pretty bad - but its better than getting stranded in Death Valley over night. Which in the right circumstances - this one was - is not a bad place to get stranded.

Amando
 
Never had fume issues and I didn't do the install so I didn't get pictures. I had a buddy spin out a step-up (or step-down) connector for the hoses....I remember going from the metric fuel hose to standard fuel hose that I got at the marine supply was a challenge. Maybe there's vapor leakeage at the hose joints?

You know I have your rear bumper on the back of my truck.....got a good looking business-end now.

Scott



Mobi,

Do you have photos of how you mounted the gas filler to the truck and to the tank? I have the tank and the filler that came with it - I was able to get the dual filler you have and I am hoping to see how you did it.

Also, do you have any issues with vapor - when it is hot out, off-road and at altitude? Thank you very much.

Amando
 
Remembered this thread when I came across this local Craigslist posting: http://seattle.craigslist.org/est/pts/3784709430.html No affiliation.

It's probably a Mudder as they have their entire roof rack for sale too. Seems like someone just got a new 100 series and is starting to mod it.
 
Awesome thanks. My cousin lives in Bellevue hoping he can grab this for me
 
You'd have to get Amando to fab another I suppose.

DSC_0486.webp
 
Anyone know who sells/makes them stateside? Or is it gonna have to be a one off I fab up?

I am in the final stages of fabricating up a complete subtank setup. It will utilize a dual filler neck from Japan, a subtank switch from Japan, a Carter or Holley fuel pump, possibly a fuel pump relay, and a US made stainless steel subtank. I am thinking of making a couple of tank sizes...one size maxing fuel capacity, another size to maximize fuel capacity but sit above the frame rails. We'll see...I am excited about this! :bounce:
 
I am in the final stages of fabricating up a complete subtank setup. It will utilize a dual filler neck from Japan, a subtank switch from Japan, a Carter or Holley fuel pump, possibly a fuel pump relay, and a US made stainless steel subtank. I am thinking of making a couple of tank sizes...one size maxing fuel capacity, another size to maximize fuel capacity but sit above the frame rails. We'll see...I am excited about this! :bounce:

Please please please take into account a version for those of us with 2003-2007 year trucks, we have the canister back there and therefore can't fit any of the "standard" sub tanks currently available. If someone could come up with one with a space carved out to accommodate the canister, I think there'd be a good market for it...
 
Please please please take into account a version for those of us with 2003-2007 year trucks, we have the canister back there and therefore can't fit any of the "standard" sub tanks currently available. If someone could come up with one with a space carved out to accommodate the canister, I think there'd be a good market for it...

Would it be easier to just move the canister?

I'm excited that people are starting to reexplore sub tank options for the 100. There haven't been any available other than the 45gallon front runner left overs that in my opinion are too big.

But it makes me wonder why no one used fuel cell race tanks with a custom skid plate, external fuel pump and a dual filler neck sourced from where ever people are getting those from now Adays. The fuel cell would be safer in an impact and usually account for roll over venting.
 
Please please please take into account a version for those of us with 2003-2007 year trucks, we have the canister back there and therefore can't fit any of the "standard" sub tanks currently available. If someone could come up with one with a space carved out to accommodate the canister, I think there'd be a good market for it...

I would like to at some point. My LX is a 2001, however, so that is what I am basing the design on initially. If I could get access to a 03+ once I actually start fabricating these, I would think it would be pretty easy to modify the sheet metal patterning in Inventor to accommodate the canister. I know there are quite a few 100 series owners out here in Oregon, so I should be able to figure out how to fit one. But first I got to finish the design and drawings and get the first prototype fabbed up.
 
Would it be easier to just move the canister?

I don't know since all I have is a 2001 and haven't seen the routing of the connections for the 03+ canister. It may be a possibility. Obviously, if a tank was made that already accommodated that, that would be much easier for the end user.

I'm excited that people are starting to reexplore sub tank options for the 100. There haven't been any available other than the 45gallon front runner left overs that in my opinion are too big.

Yeah, it has been about two years in the works for me. Working two jobs has been costly to my free time. However, I have most of the parts now. Just to get the final mock-up fitted...then it is off to fabrication.

But it makes me wonder why no one used fuel cell race tanks with a custom skid plate, external fuel pump and a dual filler neck sourced from where ever people are getting those from now Adays. The fuel cell would be safer in an impact and usually account for roll over venting.

I pretty much looked at every option that I could think of. Fuel cells, custom cage below for Scepters, overseas subtank options, interior Scepters...it all boiled down to what my needs were. I even thought of creating an access hole through the floor in the back (like the factory one for access to the fuel pump and sender on the main tank) and then fabbing up a tank that used the same components. It got too complicated and expensive. I hope that I am able to make this work...
 
Would it be easier to just move the canister?

Of course, having a tank that already accommodates the canister as is would be the easiest...

I have heard that Man-A-Fre had moved some canisters, but it is not easy, lots of hard-lines to re-route, plus there are not many places to put it, it is huge.
 
If someone could come up with one with a space carved out to accommodate the canister...

dclee, could you shoot me a few photos of the charcoal canister from a few different angles? Maybe throw a tape on it (height, width, and length)? I remember seeing a photo of the charcoal canister on a 03+ LC, but can't seem to find it. Some more detail photos would be helpful anyways. The fabricator seems to be positive on the fab process and costs for the subtank. I may just build in compatibility with 03+ trucks so that there are not two types of tanks to make.
 
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I'll see what I can do this weekend.
 
Subbed in on this one.
Jeff:p
 
A bit more progress has been made. The fabricator I am working with is very skilled in this field and has come up with some good ideas. Should have an update by end of week or early next week.

Right now, this is what I am thinking. First of all, I am first going to fab up a larger tank that is very similar to the LRA, Long Ranger, and Front Runner tanks...talking about 40 gallons+. This one I am building for myself personally that will fit the early 100 series (up to 2002). I am not sure how many people are going to want this version as it is the most expensive (due mostly to extra welds required for the custom shape to maximize volume). I have two other options that I am mulling over. The first option would be a subtank that fits approx. 30 gallons and would only sit a couple of inches below the frame rail. This would be a good tank for camping rigs, etc. The other tank would be between 20-25 gallons and would sit above the frame rails and have a fuel sump...this version would be ideal for rockcrawlers. If I can get the information and mock it up it up on a '03+ rig, the last two tanks would work for the entire 100 series from 1998 to 2007.

I am also debating the merits of several different material types...a special cold-rolled steel, aluminized steel, and 3CR12 stainless. The cold-rolled steel would need a coating on the inside of the tank. Also looking at the possibility of making a skid plate for the 30 gallon tanks (or just making it thicker steel...12 gauge versus 14 gauge?). With the thumbs up from my fabricator and successful completion of the prototype, I would think that this could be a successful endeavor. Got most of the other pieces together and the puzzle is close to being solved.
 
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