Quote:
Originally Posted by ert01
Just curious why the cutaway tank isn't an option for you? I don't know the ins and outs of Cali smog law (I'm in Alberta and we have none of that fancy hippy law up here) but it seems to me like it should be ok since it is a factory designed system and uses Ford parts. No hillbilly engineering required.
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If, by "cutaway tank," you mean a tank from a cab/chassis typically mounted behind the rear axle, the problem is that my spare tire takes up most of the space between the frame rails behind the rear axle. In order to use a transfer tank, or second tank, in that location, I would have to move my spare tire to somewhere else (prob to an Aluminess bumper tire rack).
If, by "cutaway tank," you mean replacing the existing 22-gal tank (of which a piece was cut away to make room for the transfer case) with a deeper tank, I am not sure what the physical problem is, but the legal problem is that the deeper tanks are not "stickered" for use in California. There is some chance that when a smog check was performed, a smog tech might notice that the tank is not factory-equip, and might fail the test. The chance of that seems pretty remote to me.
A physical problem that I have been advised of is that a deeper tank would require a second (or larger) evap canister. I don't really believe this advice, as the original tank (before it was cut down to make way for the transfer case) was larger and presumably has a evap system of sufficient capacity to handle the original, larger, fuel tank.
I don't know all that I think I know about this.
EDIT TO ADD: I see you're from Alberta -- does the lifestyle up there really mirror Corb Lund's portrayal?
https://youtu.be/pDY6bWT5oTM