Need an extra 20L fuel??

[BigRAWesty]

Hmm ill have to check my manual. Im sure mine said 75. But hey, my brain is patked in holiday mode who knows what I'm thinking.
This has got me intrigued. As i have never gone past 75l when filling up the tank, even when the needle on the fuel gauge cant get any lower. And thats filling it so i can see the fuel in the neck. So im wondering how this mod is going to give me extra capacity when i can see the fuel in the neck.
Something to look closer at when i get back and im not using my phone to look up things.

If your filling to the click, letting settle, filling until click and settle etc etc your basically doing what this mod does but the mod allows it quicker lol..
Have you drained your tank when the needle is that low to find out how much you have left??

[mudski]

If your filling to the click, letting settle, filling until click and settle etc etc your basically doing what this mod does but the mod allows it quicker lol..
Have you drained your tank when the needle is that low to find out how much you have left??

But doing this is only to wait for the fuel to stop foaming up the neck.
Something just doesn't sit right with this.

[the evil twin]

You can fill the tank until the fuel level covers that breather then the increased pressure causes fuel to back up in the filler neck.

By moving the bottom of the breather 'higher' in the tank it means that the air can still escape freely so the tank will accept more fuel before breather is submerged and the pressure rises and forces some fuel back up the filler neck.

Personally, I am not a big fan of the idea but the factory tank does have quite a large air pocket esp compared to the LRA tank that I replaced it with

[BigRAWesty]

But doing this is only to wait for the fuel to stop foaming up the neck.
Something just doesn't sit right with this.

You'll be surprised how little foaming happens these days..
Again. I've never had an issue..

[mudski]

You'll be surprised how little foaming happens these days..
Again. I've never had an issue..

Not surprised. I see it every fill. Caltex seem to have the less foaming fuel though. But they are usually dearer so i put up with the foamkng fill ups...

Sent from my SM-P600 using Tapatalk

[the evil twin]

Not surprised. I see it every fill. Caltex seem to have the less foaming fuel though. But they are usually dearer so i put up with the foamkng fill ups...

Sent from my SM-P600 using Tapatalk

Vortex and Ultimate both have Anti-Foaming additives over and above 'run of the mill' distillates.
The other two main ingredients in the premium Diesels are detergent and lubricant.
I use Ultimate first choice (local BP is always cheaper than local Caltex) but when travelling I use either or.

[Family4x4]

How did this mod effect the fuel gauge? Does the needle go over full or does it just take a bit longer for the needle to move from full?

[BigRAWesty]

How did this mod effect the fuel gauge? Does the needle go over full or does it just take a bit longer for the needle to move from full?

The needle stays at the full line for the first 150 odd k's..
You can fiddle with it if you like and stretch and re adjust the float but it's not needed really

[BigRAWesty]

Ok so I've done this with the gu today.
Main only atm.. have to drop the sub to do that one..
Anyway..
Gauge showed a little over 1/4 tank on the gauge, it was 85mm full and I syphond out 26L of fuel with.. the tank depth is 310mm but the lowest the float will go is only 280 from the top.
So I'll assume that when the gauge is empty we still have 10L of fuel left in the tank....
So we'll call it 15L of usable fuel in the tank atm and I'll fill it tomorrow to see what capacity I get..
Anyway here are a few pics
I the first 3 you can see the fast fill is about 50 ish mm from the roof..
The gu had 2 brackets..





And the finished job..
Fast fill is touching the roof..


Will let yas know how much I got extra..

[BigRAWesty]

Well fill is done..
85L to fill so that makes it now a 110L tank..
So about an extra 125K range at 16L/100..