Hey guys, I could surely use some ideas on this.
My Cherokee currently has the stock 26 gallon coffin tank and an aftermarket Aero style 33 gallon tank behind the axle.
There is only the stock filler and it feeds the Aux tank then once it reaches full it allows fuel to gravity transfer to the main tank.
The venting lines feed from both tanks to a T then runs up to the stock liquid check valve. The fuel return lines are not in use but still there.
Here's a quickie diagram of my setup below.
Green shows the modified filler hose and re-routed extension.
Red shows the aux tank.
Blue shows the transfer hose linking the tanks together.
I located a 74 filler hose, extension and elbows to revert everything back to stock...sort of.
My existing filler hose appears to be a Cali only 77 version or one from a later model as it is all metal, about 1" diamter and has a metal vent line coming off the top that runs alongside the filler tube. It has that annoying spring loaded flap and as I've said before, will spit fuel back immediately if I try to fill with the pump nozzle even 1/2 way to the first click on the lever.
So, I have pondered this for a long time and have a few ideas and would like your opinions:
Plan A: Drop the aux tank completely and add the stock pieces back.
Plan B: Leave both tanks and just add the better filler neck so I can at least pump fuel somewhat normally.
Plan C: Keep both tanks, replace the filler neck, eliminate the balance hose and add another filler tube somewhere.
I like the idea of having a backup tank with say, 10 gallons in it, but having to completely fill the rear tank before the main even gets a drop bugs me. Often the fuel will go bad before I use it up and hauling around 60 some gallons of fuel all the time won't do MPG any good. The bonus of having the aux tank is if I top off in Reno, I can drive to Montana with only one fuel stop in Salmon, Idaho or so. Kinda handy in the event of a zombie apocalypse or an extended drive around the desert dodging mutants without worrying about running out of gas.....but I digress.
I did ponder a single filler neck and adding a Y valve of some sort too but didn't know where to look for a gasoline rated one.
OK, there you have it. What would you do in my place?