[DeTomaso] Thermostat test
kevin van noppen
kevinvannoppen at hotmail.com
Thu Sep 3 22:24:57 EDT 2009
while not scientific, used to drill 3 holes in the Tstat for most engines I built, seldom had boil over problems
> Date: Thu, 3 Sep 2009 19:21:23 -0700
> From: asajay at asajay.com
> To: detomaso at realbig.com
> Subject: [DeTomaso] Thermostat test
>
> I'm lucky enough to be at an altitude I can boil water and test a
> thermostat.
>
> The one that was installed in my engine is a Robertshaw style. 180
> degree. I pulled the thermostat housing/tube off and examined the
> stat. It looked okay. No apparent gasket gunk, sealant, etc. on it in
> any crucial locations. It was correctly oriented toward the radiator
> (flow wise). I removed the stat.
>
> I took it to the kitchen where Shelley had a pot of water waiting. In
> goes the stat and we turn up the heat. As the thermometer approached
> 180, the stat began to open. At 200 it was wide open. So it would
> appear my thermostat was not the cause of the overheat.
>
> A brand new NAPA 190 stat was tested and it began opening as it
> approached 200 and didn't appear to finish (at least that we could tell)
> until after the water was boiling.
>
> So now I rapidly approach discouragement. I will install NO thermostat
> and run the engine to see what happens. I'm expecting I will have no
> flow. Bad water pump? I'll check on that before I put it all together
> again.
>
> Asa Jay
> Down but not out yet.
>
>
> Asa Jay Laughton, MSgt, USAFR, Retired
>
> & Shelley Marie
> Spokane, WA
>
> 1971 Mach I Mustang [ASA JAY]
> 1973 Pantera L 5533 [ASASCAT]
>
> ******************************
> http://www.asajay.com
> http://www.teampanteraracing.com
>
>
>
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