[DeTomaso] Thermostat test

[Dan Mixon]

That's what I do with mine. If you buy a T-stat from Stewart Components,
they are drilled. According to Stewart Components "This also allows air to
escape on initial system fill making bleeding the cooling system much
easier."

http://www.stewartcomponents.net/Merchant2/merchant.mvc?Screen=CTGY&Category
_Code=Therm


-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of kevin van noppen
Sent: Thursday, September 03, 2009 21:25
To: asajay at asajay.com; detomaso at realbig.com
Subject: Re: [DeTomaso] Thermostat test


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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