Re: [DeTomaso] Tank gauge

["prolan1" <prolan1@pacbell.net>]

ooops, didn't read your message correctly...

ignore...

Greg

Crash Test Dumba$$
prolan1@pacbell.net
www.jacobsracing.com/dd
----- Original Message -----
From: "prolan1" <prolan1@pacbell.net>
To: "Thomas Tornblom" <Thomas.Tornblom@Hax.SE>; <detomaso@realbig.com>;
<detomaso@detomaso.nu>
Sent: Thursday, April 10, 2003 4:52 PM
Subject: Re: [DeTomaso] Tank gauge


> charset="iso-8859-1"
>
> autometer makes the following:
>
>
>
> part number = 2-1/16" 2-5/8"  Fuel Level (0 ohm empty/ 90 ohm full)
>       For most GM vehicles from 1965 to present.
>       3314 3514
>
>
>
> Crash Test Dumba$$
> prolan1@pacbell.net
> www.jacobsracing.com/dd
> ----- Original Message -----
> From: "Thomas Tornblom" <Thomas.Tornblom@Hax.SE>
> To: <detomaso@realbig.com>; <detomaso@detomaso.nu>
> Sent: Thursday, April 10, 2003 12:56 PM
> Subject: [DeTomaso] Tank gauge
>
>
> > In my quest to get properly working instruments, I have spent a few
hours
> > measuring the tank sender resistance and noticing the gauge reading for
> various
> > amounts of fuel.
> >
> > As I still have the car on jackstands, it was quite easy to drain the
tank
> so
> > that I knew the exact amount of fuel for each measurement.
> >
> > I added 5 liters at a time, noticing the gauge reading and resistance.
> >
> > Here's what I found:
> >
> > liters R (ohm) gauge
> > ---------------------
> > empty ~2k empty--
> > 5 321 empty-
> > 10 272 empty+ lamp goes out
> > 15 234 1/16
> > 20 208 1/8+
> > 25 180 1/4-
> > 30 160 1/4+
> > 35 135 3/8
> > 40 115 1/2-
> > 45 100 1/2+
> > 50 88 9/16-
> > 55 75 3/4-
> > 60 60 3/4
> > 65 48 3/4+
> > 70 27 4/4-
> > 75   3 4/4+
> > 80   2.5 4/4+
> >
> > When I filled the last few deciliters up to 80 liters, the fuel level
> climbed up
> > into the filler tube, but sank slowly as if something was leaking. I
> believe the
> > excess fuel drained into the carbon canister. I have a late aluminum
tank
> by the
> > way.
> >
> > All gauge readings were taken with the ignition on, a battery charger
> active, no
> > lights on.
> >
> > For those (like me) contemplating replacing the instruments with better
> working
> > VDO:s, VDO North America has a fuel gauge in all common series that
> probably
> > would work fine. They have a gauge with 240 ohm (empty) - 33 ohm (full),
> and
> > adding a ~30 ohm resistor in series with the sender would probably work
> > reasonably well.
> >
> > This type of gauge is not available from VDO Germany. The German gauges
> are
> > either 3 ohms empty and 180 ohms full (opposite from veglia) or 60-90
> > (adjustable) empty and 0.5 ohms full.
> >
> > I will get one of the 240-33 gauges from Summit and try it out with the
> stock
> > sender.
> >
> > Cheers,
> > Thomas
> >
> > _______________________________________________
> > DeTomaso mailing list
> > DeTomaso@realbig.com
> > http://realbig.com/mailman/listinfo/detomaso
>
>
>
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