Hey Ron. Perhaps I can help. Here are some pictures
that might help.
http://www.aubard.us/MGB/gauge_oil_2.jpg I'm testing
the oil pressure in this picture but in the notes you
can see that I have already tested the fuel gauge.
This may help:
E 2.00 volts @ 40mA
1/4 3.50 volts @ 60mA
1/2 5.00 volts @ 85mA
3/4 6.50 volts @ 110mA
F 7.25 volts @ 120mA
rick
--- Ron Fine <RonFineEsq@earthlink.net> wrote:
> I am looking for information on how to calibrate the
> fuel gauge on my '66 MGB.
> I am very familiar with the MGAGURU.COM web site and
> I used the information
> there to successfully calibrate a fuel gauge on my
> Healey but the gauge in the
> later MGB is of a different design. There is a
> bimetal heated arm that bends
> in response to current through the sending unit to
> ground and there are two
> adjustment available to the mountings of the bimetal
> strip and the tensioning
> spring but I don't know the current to use to make
> the adjustments. Is there
> some place I can look to find the resistance reading
> for the sending unit for
> E, 1/2 and F ??
>
> Thanks,
> Ron
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