Unless you know that you are having difficulties with the electrical
temp gauge, I'd leave it alone. They seem to be pretty reliable.
You can test its calibration easily, with sufficient accuracy for our
needs. Loosen the radiator cap so the radiator cannot build up pressure.
Go for a drive of 10 minutes or more. With engine running, lift off the
rad cap and insert a kitchen thermometer. It will read the temp of the
water at the top of the radiator, which may be a couple of degrees cooler
than the thermostat, but close enough. Then you know on your gauge what
it reads for a temperature of the water just a few inches from the
sending unit.
Recent Moss price for the mechanical combined water temp & oil pressure
gauge for TD was $298.95.
Bob
On Mon, 20 May 2002 21:10:26 -0600 "james" <jamesnazarian@netzero.net>
writes:
> with all the talk about mech. oil gauges, what are our options for
> mech.
> temp gauges to match. I have a '71B and am planning to swap in the
> oil
> gauge next time I feel adventurous, but what about a mechanical
> coolant
> gauge? Preferably with numbers instead of C/N/H.
>
> james
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