Re: [T3] FI Fuel Tank "size"

[Jim Adney <jadney@vwtype3.org>]

On 7 Oct 2002, at 11:29, Shad Laws wrote:
 
> If I pull off the gas level sender, I can peek down inside there and see
> that the line for the pump inlet is ~1/4" higher than the bottom of the
> tank.  Is this the abnormality?

I may have exaggerated. I haven't looked in one lately, but I suspect that 
yours is completely normal.

> How big is this cup?  Would I be able to see/notice it from the gas level
> sender hole?  Or, would I only see the cup?

>From memory, the cup is probably 5" dia by 6" tall. If you look sideways 
down the hole you can easily see the edge sticking up toward you. Use a 
flashlight.

> > In addition, I'm gonna guess
> > that you don't have any fuel return to your tank, so you don't get the
> "jet pump" scavenging action.
> 
> Why not?  I may have tossed the T3 engine and the D-Jet aside, but my T4 is
> FI'ed, too :-).

Do you still have a fuel return line? That's what makes the "jet pump" work.

> I've pulled off the gas sender when I've "run out of gas" with some still
> left, and can see that the fuel level is right at the top of the output
> nipple, the one that's 1/4" or so above the bottom of the tank/cup/thing.

My guess is that if you could see outside the cup you would see that there 
is more fuel still out there, but this is hard to see, and 1-2 extra gallons 
spread over the whole tank bottom wouldn't look like much. It would still be 
more than 1/4" deep, however.

-
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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