Auxiliary or Larger Gas Tank

Spoke with a rep at Long range America. He said they manufacture in Australia and the GX will show up soon there. At that time he thinks they will make an "Auxiliary" tank with a transfer pump. There will be switch and a gauge for the extra tank's level. When the main tank gets low the driver switches on the pump to fill the AUX tank. The reason for this clunky fix is because Toyota will not allow even their master tech's to mess with the ECM to allow a new volume of gasoline to be recognized.
 
It will likely be pretty similar to the build of my 80 series with their tank, which was imported by Man-A-Fre. That required removal of the spare tire and its repositioning. This link is to the placement on my 80 series LC.
 
An aux tank with a transfer pump and twin filler necks in the same opening is perfect. I've heard nightmare stories about trying to replace the actual OEM tank and then having to deal with computers, emissions controls, etc.

rgsiii, I see on your ih8mud thread that you mentioned that it takes about 20 minutes to transfer the fuel from aux to main. Can you do this while driving?
 
rgsiii, I see on your ih8mud thread that you mentioned that it takes about 20 minutes to transfer the fuel from aux to main. Can you do this while driving?
I can't remember what type fuel pump used was back then. The inexpensive one that I replaced it with isfairly slow but keeps well ahead of your fuel usage while you are driving.
No problem filling main tank while driving. My install was on my 80 series LC was about 20 years ago. I have had to replace the pump and the gauge/switch. Relatively problem free.
 
I added an auxiliary fuel tank to my 80 series Land Cruiser and like it. It required moving the spare tire, a rear bumper to hold the tire, a fuel gauge/switch to power the pump and a new filler neck. A lot of work but it has been in for many years and still functions well. I can carry enough fuel to turn it into a really long range vehicle. A description of my vehicle install is here Man-A-Fre 24 gallon auxilliary tank

I think with the the GX550, I might be hesitant to do it until the warranty is over. If an engine issue ever came up, they will blame it on the fuel tank.
I am considering the same, wait for warranty to expire then do this type of mod, ARB offer similar rear bumper mounted wheel mounts which frees up the space for the 30 litre aux tank, LC 250 offers this option from new on some models so I don’t see it being an issue next year for GX if there is demand as they are built on the same platform.
 
FWIW, I have no concerns about keeping one or two high quality jerry cans (Wavian) inside the vehicle when traveling. They do not vent and are completely sealed. You have to assess your own risk level, but we've probably traveled 15,000 miles with without incident. I built a small rack so that they won't tip over (even then, they're high unlikely to leak if you close them correctly). Again, not suggesting that anyone do this, but it is an option.

 
Yeah, I agree a 21 Gallon tank is almost a deal breaker. I had a Ram PU with a 21-gallon tank and when pulling my RV I had to stop every 140 miles for a fill up.
 
FWIW, I have no concerns about keeping one or two high quality jerry cans (Wavian) inside the vehicle when traveling. They do not vent and are completely sealed. You have to assess your own risk level, but we've probably traveled 15,000 miles with without incident. I built a small rack so that they won't tip over (even then, they're high unlikely to leak if you close them correctly). Again, not suggesting that anyone do this, but it is an option.

I have a single Wavian on the way…what does your rack look like? Just looking at options to keep it upright (have to convince my wife I know what I’m doing., oh wait…too late for that 😬).
Thanks for pointing the Wavian out. 😊
 
An aux tank with a transfer pump and twin filler necks in the same opening is perfect. I've heard nightmare stories about trying to replace the actual OEM tank and then having to deal with computers, emissions controls, etc.

rgsiii, I see on your ih8mud thread that you mentioned that it takes about 20 minutes to transfer the fuel from aux to main. Can you do this while driving?
Are you looking into having a tank installed similar to the Long Range America 14G Aux? Would be worth a drive to AZ or NV for me to do that.
 
Are you looking into having a tank installed similar to the Long Range America 14G Aux? Would be worth a drive to AZ or NV for me to do that.
If you do end up installing a tank in Las Vegas make sure you remove your license plate and pay cash. I was advised that installers will not work on your vehicle if you have a CA plate and a billing address that points to CA.

Removing the plate and paying cash is the best way to avoid it. You should be able to get smog when the time arrives since the tech will not look at the aux tank.
 

GX550 Poll

  • No Noise

    Votes: 2 33.3%
  • Noise - Awaiting for Parts/Repair

    Votes: 3 50.0%
  • Noise - Repaired and Satisfied

    Votes: 1 16.7%
  • Noise - Repaired and Not Satisfied

    Votes: 0 0.0%
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