extended range tank for cheap - mud co-op

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Exhaust fitment

When the tank was installed, the truck had a rusty old Midas exhaust system. The tank interfered slightly w/ the exhaust. tugging sideways on the tailpipe alleviated the interference, but cracked the rotten pipe at the back of the muffler. It finally broke off the other day, so a new used OEM exhaust pipe/muffler was installed.

Stock exhaust clears the tank easily. :cool:
 
Watch Toyota Trails. It's coming.

I hope it'll be put in PDF form and put on the site for those of us who don't get TT...
 
I don't know about PDF, but it will be added to this thread.

I'm still driving on the first tank, plus the 6 gall. that was dumped in a few days ago. Man, it takes along time to run through 40-some gallons at 16MPG.

Once it's run through a whole tank w/ no issues, then we'll post up a final writeup.
 
Been reading this whole thread with interest...BUT I've come across a problem for my purpose: The Ford tanks are galvanized and galvanization does not work well with diesel.

Sadly unless I find a non-galvanized version I will have to find another tank solution :frown: :crybaby:
 
Join TLCA, then you will get trails.

Y'know, I keep meaning to, then I keep forgetting because something else distracts me. Must be from growing up with all that MTV. Hey look something shiny...
 
I am not sure that the tank is galvanized. I actually think that it is terne.
TERNE

It wouldn't make sense to even have galvanized metal in a tank stamping plant since most vehicles are diesel powered now.
 
Today's update:
Running fine since the carb was cleaned out, and soldered up pinhole leak in the pickup tube.

Odometer is up to 370 miles, but due to 35" tires odo is off by a full 10%

We're now at a true 407 miles on the first fillup, gage is showing under 1/4 tank. There is an emergency 6 gallon can in the truck, so the tank can be run out of fuel to double check sender calibration and to allow a fillup to determine "gallons useable".
 
so did you drive it over the weekend?
 
filled it up!

Drove the truck till the fuel indicator was on the E mark, the end of the white band.
Stopped and attempted to fillup, but it wouldn't take fuel:eek:

Managed to burp 4 gals. into the tank and a gal. on the ground.
went back to the shop and fiddle around, realized the the fuel fill vent hose had a sag in it that had accumulated liquid fuel. This made it like a sink trap, preventing air from being released as the tank was filled up.:idea:
Bent up a little scrap of metal to wedge into position as a hose support and went back to the gas station. Eureka! a 33 gallon fillup, $90 worth.

The fuel gage is above the full mark now. I installed the sender so that it would swing up against its' stop when full, and down against the lower stop when empty. I suspect that the bottom of the gage is like the top, when it gets to the mark indicating end of the normal range, there is still 5 gal. left.

I hafta drive the truck a couple hundred miles this weekend to pickup some junk. when the fuel level gets down, I will re-do that vent hose to get it in a better location and zip tie it up high.
 
total cost/ + time estimate

Jim,
I was wondering if you could post a total cost & time estimate on the tank install- glad to hear the tank is working out! Thanks:cheers:
 
Only difference for FJ62 would be the addition of an external EFI fuel pump.

Jim, I thought 62's had an internal fuel pump??
 
Update,
There is still an issue w/ filling the tank, getting the overflow air out of the "burp" hose while the fuel fill falls down the big fill hose. I haven't had time to mess w/ correcting it, other than making the observation:
If the truck is parked nose down, tipped to the drivers side, then the burp hose drains out into the tank, and air is able to be passed. but if it parked the other way, then it is necessary to reach under the truck and grope the hose to get the fuel puddle out of the hose so the air can flow out. The burp hose needs reconfigured to relocate the return line tee fitting closer to the tank and elevate the run of the hose so fuel doesn't puddle in it.

Other than that, the fuel gage seems to work, it's been driven to indicating empty and then filled up a couple times now. Takes 34 gals or so, which seems consistent w/ the stated 38gal capacity and the pessimistic Toyota gage.

As soon as the fill problem is worked out, then the project is finished.
There is still an issue w/ filling the tank, getting the overflow air out of the "burp" hose while the fuel fill falls down the big fill hose. I haven't had time to mess w/ correcting it, other than making the observation:
If the truck is parked nose down, tipped to the drivers side, then the burp hose drains out into the tank, and air is able to be passed. but if it parked the other way, then it is necessary to reach under the truck and grope the hose to get the fuel puddle out of the hose so the air can flow out. The burp hose needs reconfigured to relocate the return line tee fitting closer to the tank and elevate the run of the hose so fuel doesn't puddle in it.

Mace, the FJ62 pump is in the tank. If installing the 74-80 ford tank, the easy solution would be an external universal 35PSI pump. The slightly more expensive/difficult solution would be to use the 38 gal tank for 85-newer Ford truck w/ EFI, using the stock Ford in-tank pump.
 
Very good. Thanks for the update Jim, I really apreciate your work.

I've just finished taking the fuel tank out of a project 62 I have, and I think there will be several differences between the 60 and 62. Does your truck have a sway bar on it? I'm not sure the tank is going to work with the sway bar, but I would either ditch the sway bar are build a different linkage setup in order to accommodate the big tank.

This will be in addition to the issue of the in tank fuel pump. Your work on the fill hose should apply directly to 62's.

Thanks again for doing the leg work for this project.
 

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