Bob,
On the older non-fuel injected engines the engine's mechanically driven fuel
pump will pick up fuel from the selected tank and pressurize the carburetor.
As you discovered, few if any of the auxiliary tank equipped older pickups
had a gauge to read the content of the aux tanks. The normal and
recommended method for use is to fill all three, begin using fuel from the
driver's side tank (if the truck is occupied by driver only), then use the
opposite saddle tank, then finally, the main tank which has a gauge. Most
drivers would simply use a saddle tank until the truck "ran out of gas",
shift over quickly, and empty the second saddle tank. If you learn to shift
tanks before the tank is dry by estimating fuel used the changeover will go
more smoothly without running out of gas temporarily each time you shift
tanks.
Harvey
----- Original Message -----
From: Bob Kiger <[EMAIL PROTECTED]>
To: Multiple recipients of VACList <[EMAIL PROTECTED]>
Sent: Saturday, April 28, 2001 1:20 PM
Subject: [VAC] Re: '66 Ford F-250
> That's exactly my setup. Last night while driving home from errands my
gas
> guage showed just under1/4 tank but it ran out. I set the manually
> operated valve to another tank but got no gas. Tried tank three with no
> results.
>
> Then I set it back to tank one and use my gas can which did the trick.
I'm
> not sure yet whether the same valve is used to direct gas from the pump to
> the desired tanks. I am pretty sure that the old owner left the auxiliary
> tanks bone dry.
>
> I am not looking forward to my first complete fillup. At current rates it
> will be about $120.
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