[Healeys] Aluminum Radiator

[Bob Spidell]

Also, on a warm day when I shut down the temp will go to exactly 212degF (100degC), which gives me more confidence the 
gauge is correct (what my dad calls 'latent heat' causes the coolant to go the boiling point).

Bob


On 10/15/2014 7:34 AM, Bob Spidell wrote:
> 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
>
>

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Bob Spidell           San Jose, CA            bspidell at comcast.net

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