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Discussion Starter #1


The new 19 gallon auxiliary tank has a very low profile.
This is the view from the rear.



side view
 

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Discussion Starter #6
skersfan said:
Is mounted to the frame rails?
Yes.

I'll have it at the Meet/Greet Saturday and you can check out the mountings if you're interested.

FunJunkie
- I don't know what to tell you. MAF makes one-size and you might get them to make you a one-off tank in the 7 gallon range but I think the cost would not match the value 7 gallons gives you. I do wheel the rig hard and haven't ripped off much on the bottom. My bigger concern in this location was approach angle, but it doesn't impact that. Note that you're going to hit the rear differential before you hit the tank, the tank does come with a skid, but my personal hope is that I won't smack it at all.
 

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Changing the weight distribution and center of gravity plus adding 19 more gallons of fuel, not needing to lug around cans up top is a huge plus. I'm liking it.
 

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FJVP said:
Changing the weight distribution and center of gravity plus adding 19 more gallons of fuel, not needing to lug around cans up top is a huge plus. I'm liking it.
you forgot the all important "gotta have it because i want it" factor.
 

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I called MAF yesterday regarding this product.. We are talking $1800 installed and if I understood them correctly, they insist on doing the install.

That's a healthy chunk of change, but well worth it IMO.

Perhaps I'll add this to the list for next year's tax return mods...
 

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Discussion Starter #11
The auxiliary tank is one of my best modifications to date. I'm most disappointed in the FabFours rear bumper.

But this isn't about me crying in my soup over the bumper. IF you are taking the FJ out in the field and running it, an additional 19 gallons of gasoline in a convenient, safe place that lowers your COG makes sense. There is no tank on the back of the spare to splatter with a light rear-end impact and no molotov c0cktails on the roof to fly off if you hit something or are hit (ask MATTMAINSTER about flying cans).

Is it worth the money? Depends on how and more importantly WHERE you drive. There are a number of long desert runs where extra fuel is needed.

To spite my chuckling about Molotov C0cktails, I may keep a 5 gallon can on the roof for give-away gasoline since I have frequently encountered people on the trail who need fuel. I don't want to siphon from the bifurcated filler tube. I don't mind keeping some fuel on hand to help a needy soul.
 

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Discussion Starter #14
mattmainster said:
So? Have you USED the tank yet?
I use the tank CONTINUALLY.

Of all the modifications I've made to the FJ, it's given me the greatest peace of mind. The Death Valley run last weekend. I ran through Death Valley for two days, (into the Valley via Trona - out via Baker) and came home with 3/4 of a tank of gasoline remaining in the main tank and the auxiliary tank dry.
 

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uphill said:
I use the tank CONTINUALLY.

Of all the modifications I've made to the FJ, it's given me the greatest peace of mind. The Death Valley run last weekend. I ran through Death Valley for two days, (into the Valley via Trona - out via Baker) and came home with 3/4 of a tank of gasoline remaining in the main tank and the auxiliary tank dry.
I was quite envious as I was hoisting the 40lb jugs off my FJ and filling my tank the morning of day 2.. I'll be adding the aux tank to my rig next February.
 

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Discussion Starter #18
I've had it on three major expedition style runs now and the MAF tank is very impressive. Fuel in Baker is somewhere around $5/gallon and it's $6/gallon in Panamint (Death Valley). I used to stop in Baker for fuel when running to Utah to dip the FJ in the dirt. No more. I go to Southern Utah and still have half a tank left in the main. Yes, I could have taken the tupperware Molotov C0cktails off the roof and have refilled in Baker, but what a pain in the neck.

It comes down to a combination of convenience and safety.
 

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I have had this for about 4 months now and love it so far. There are a few quirks to deal with (like occasionally having to reset the Evap Emissions CEL when transferring fuel) but for the most part works well and can be a life saver on long expedition runs. The ability to take an FJ Cruiser for around 600 miles between fill ups is pretty nice. Especially when doing someplace like Anza Borrego.
 
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