Thanks Paul:
Yep that was me! I posted the graph after no answer to the question. Still
looking for the answer to the question about what inexpensive senders might
be available (that are electric not mechanical). I suppose I can go out and
find a suitable Delco or ?? replacement, now that the data are known...
the graph is at:
http://shell.whidbey.com/economu/Page.htm
Kind regards,
Tim Economu
----- Original Message -----
From: <paul.hunt1@virgin.net>
To: "Tim Economu" <economu@whidbey.com>; "MG List" <mgs@autox.team.net>
Sent: 23 October 2001 12:27
Subject: Re: Resistance of Oil Pressure Sender for testing
> Just disconnect the wire from the sender, you can then measure the
> resistance of the sender at whatever engine speed you like. Didin't
someone
> just post a graph? Thought I had put it somewhere safe. As I recall it
was
> much the same as the fuel sender - 250 ohms or so when at minimum, 25 or
so
> when at max (readings).
>
> PaulH.
>
> ----- Original Message -----
> From: Tim Economu <economu@whidbey.com>
> To: MG List <mgs@autox.team.net>
> Sent: Thursday, October 18, 2001 8:21 PM
> Subject: Resistance of Oil Pressure Sender for testing
>
>
> > Hello All. In the archives I found the resistance of the sender w/
> ignition
> > off = 31 ohms. Does anyone know or have the ability to measure the
> > resistance while running with some pressure (i.e. = 50 lbs)?? My manuals
> > don't give the spec for these. I am guessing it will be somewhere
between
> 31
> > ohms and ground, and if so, I can substitute a resistor for the sender
to
> > test the gauge.
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