My gauge was recently refurbished and calibrated by West Valley Instruments
(the former 'Mo' in MoMa), so I'm reasonably
confident it's accurate. My temp will stay below the thermostat set point
(180degF) on a cool day. Coasting down a
hill, it often gets below 160. Driving along steady on a mild day it will stay
at 180 (expected), then exceed that on a
hot day pulling a load or sitting in traffic. My heater is usually off--but
the valve on the block is open
year-round--and I've used it as an 'auxiliary radiator' when it gets close to
212deg.
So, assuming the gauge is correct, why is my temp often below 180 (Kees?). The
only explanation I can think of is that
the engine is sufficiently air-cooled in benign conditions to keep the
thermostat closed. I've tried several
thermostats with same result, and have tested a couple on the stove in hot
water. Apparently, others are experiencing
the same phenomenon.
Bob
On 10/15/2014 7:07 AM, Bob wrote:
> Well, I'm not and that is because nowhere in this discussion has gauge
> accuracy come up.
> I'd suspect that is a big contributor to the spread in readings.
>
> If someone makes a change and all other conditions are the same the
> difference may be
> pretty close to being correct but the absolute value of the temperature
> reading is still suspect
> in my view.
>
> Bob
>
>
>
--
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Bob Spidell San Jose, CA bspidell@comcast.net
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