[DeTomaso] Thermostat test

[Asa Jay Laughton]

This one -did- have three holes drilled in it, by me, in order to assist 
in air bleeding. 

Thank you for the note,
Asa Jay

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
  



kevin van noppen wrote:
> 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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