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Discussion Starter · #1 · (Edited)
Revisiting the Titan Gas Tank Swap - EDIT: Options for Aux Fuel Tanks

I had my gas tank sliced open a good 4-5 inches today by some siding that someone left in the road. A local junkyard has a tank for me at 75$, and a titan 37 gallon tank at 130 something. Im considering the swap, but it looks like its never been done, and I need the truck running ASAP, so this is a "only if it doesnt take too much work" kind of project. The last project ended when someone found out that the titan 26 gallon tank was 7/8" taller than the frontier tank, and he didn't have a body lift. I do have a 2' body lift. Anyone else have some insight on what might be needed?

Will the tank strap right up?
Will my Frontier pump work? I may put the titan float on to get an accurate tank level reading, but the titan pump is another 140$.

Edit: See post #26. Titan tank won't work, looking into transfer flow aux. fuel tank options.
 

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If you need it back on the road just get the tank for the Frontier. That project died early. There could be other fitment issues the deeper you go.
 

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Discussion Starter · #3 ·
Yeah, that's definitely a possibility.

If the only issues are bending a new set of tank straps, or the tank hanging an inch lower in the rear though, I'm willing to devote a weekend to it. Hoping to scrape whatever information I can before I get started though.

Also hoping my kc long bed has a little more room to play with. Im having a hard time visualizing the spot the last guy had trouble with on his attempt, and he was a cc 5' bed.
 

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I agree

I love to MOD things, but not so much on my daily driver
 

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I would keep it simple and just get the proper tank. Even if I had the time to fiddle around with a larger tank I wouldn't do it. You would have to consider too many things when adding that much weight and bulk to a smaller truck.
 

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Discussion Starter · #6 ·
Weight and bulk went out the window with the cap and roofrack and bed camper.

I am considering switching to a full size because of the extended range, so that is definitely part of the motivation here. I put 30k on this truck last year alone doing mostly long road trips, and I'll need to haul a horse trailer from MA to NC in a few weeks. At 10mpg or so with a heavy trailer, that's not far between stops.
 

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I think there have been a few people try to get the Titan tank to fit on the frontier and for one reason or another it has never worked. It might be worth taking some measurements off the 37 Gal Titan tank and the frontier tank to see how they compare before getting to far into the project. I find the Frontiers fuel capacity lacking at best for a truck so I'm always looking for better ways to carry extra gas but I have yet to see the Titan tank being the answer. Plus if your looking for quick then the frontier tank is the logical choice.
 

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Discussion Starter · #8 ·
Yeah. I agree with you. I think for the most part you guys are right. Looking through some attempts to swap the titan LWB tank into the shortbed truck, I think there's no way the 37 gallon will fit. I'm holding out a little hope for the 28 gallon tank, but we'll see.

That would at least take the edge off of the 6 stops it takes to get from where I'm at to the southern end of FL.

Lets redirect this a little bit. The same yard has a 28 gallon tank for me too (apparently they have tons of Nissans. Happy to send anyone in NC their info). Anyone have info on that tank?
 

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Yeah. I agree with you. I think for the most part you guys are right. Looking through some attempts to swap the titan LWB tank into the shortbed truck, I think there's no way the 37 gallon will fit. I'm holding out a little hope for the 28 gallon tank, but we'll see.

That would at least take the edge off of the 6 stops it takes to get from where I'm at to the southern end of FL.

Lets redirect this a little bit. The same yard has a 28 gallon tank for me too (apparently they have tons of Nissans. Happy to send anyone in NC their info). Anyone have info on that tank?
6 fueling stops from MA to South FL doesn't seem excessive. What am I missing here?
 

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Discussion Starter · #10 ·
It is when you do it frequently. The other vehicle I do trips in is a diesel e250. It can make it down there and halfway back on a tank. Saves time and stress finding a decent place to fuel up, especially with a trailer.

Its 5-6 stops from NC to FL. I end up having to refuel every 200 miles. MA to FL is twice that.
 

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I'm interested in this, I'd like to carry another 7-8 gallons if I reasonable can.

Unfortunately I have no help to offer right now at all. I'll start looking around
to see what will be involved though.
 

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DO IT. STOP TALKING/TYPING go get the tank and start wrenching. None of the previous talks about adding a Titan tank went as far as acquiring and fitting a tank. They were all just arm chair modifications. Our tanks are listed at 21, 22 gallons? The 28 probably is not that much larger. Maybe the same dimension just the 7/8" taller. Remember that the Titan and the Frontier share the "same frame". Wouldn't think they would come up with an entirely new tank mount.
 

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I was spoiled with my last diesel to, i had changed out the factory tank for a 67gal Titan (brand) tank i could get close to 1100miles to a tank when the truck wasn't loaded down.

Going from that to a 21 gal tank has been challenging. Its to bad no one makes a replacement oversized tank or a aux tank that goes underneath, although they make them for the Navara overseas. Ideally I'd like to have 30-35 gal available without the use of jerry cans. Probably getting a custom made oversized tank to fit the factory location would be the easiest answer.
 

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I was spoiled with my last diesel to, i had changed out the factory tank for a 67gal Titan (brand) tank i could get close to 1100miles to a tank when the truck wasn't loaded down.

Going from that to a 21 gal tank has been challenging. Its to bad no one makes a replacement oversized tank or a aux tank that goes underneath, although they make them for the Navara overseas. Ideally I'd like to have 30-35 gal available without the use of jerry cans. Probably getting a custom made oversized tank to fit the factory location would be the easiest answer.
and 21 gallons is theoretically tank size, not the usable amount of fuel. I think I went 50 miles past the out of fuel light once and put in 18.5 gallons. I often carry 2 jerry can (5 gallons each). That gives a nice range. Hate filling out of jerry cans though.
 

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DO IT. STOP TALKING/TYPING go get the tank and start wrenching. None of the previous talks about adding a Titan tank went as far as acquiring and fitting a tank. They were all just arm chair modifications. Our tanks are listed at 21, 22 gallons? The 28 probably is not that much larger. Maybe the same dimension just the 7/8" taller. Remember that the Titan and the Frontier share the "same frame". Wouldn't think they would come up with an entirely new tank mount.
The Titan and Frontier share the same platform for the frame but is the size of the frame the same? I had thought the size and construction was the same but it was just smaller on the Frontier.
 

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and 21 gallons is theoretically tank size, not the usable amount of fuel. I think I went 50 miles past the out of fuel light once and put in 18.5 gallons. I often carry 2 jerry can (5 gallons each). That gives a nice range. Hate filling out of jerry cans though.
I hear that, on longer trips I have to carry anywhere from 20 gals to 25 gals of extra fuel in jerry cans right now and its a pain. I have a trip planned for this summer that I'll have to go 500 "highway" miles plus exploring miles between fill ups that should be interesting.
 

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I hear that, on longer trips I have to carry anywhere from 20 gals to 25 gals of extra fuel in jerry cans right now and its a pain. I have a trip planned for this summer that I'll have to go 500 "highway" miles plus exploring miles between fill ups that should be interesting.
The easiest solution that I have come up with is a 2nd tank mounted in the rear where the spare tire goes. Use the OEM fuel pump from the spare tank as a transfer tank to the main. The only hold back is that I like having my spare tucked away.

500 miles of NO GAS, exploring, then 500 miles back. Better bring a tanker truck with you.
 

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The only chance of a Titan tank fitting in the Frontier is in a CC LB Frontier with a 2" body lift.
 
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