[Supras] Thermostat question

Speedtoys speedtoys.racing at gmail.com
Mon Aug 6 18:20:38 CDT 2007 

Both are correct.  Proper temp is critical as is radiator dwell time.


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On Aug 6, 2007, at 3:49 PM, <millenia2000 at hotmail.com> wrote:

> WRONG WRONG WRONG.
>
> the thermostat keeps the coolant locked in the engine until it reaches
> normal operating temperature, then it opens to allow it to cycle the  
> coolant
> thru the radiator to keep it at operating temperature and avoid  
> overheating
> the engine. it does not open and close as you drive unless you blast  
> your
> engine with liquid nitrogen while you drive.
>
> your engine is looking for a set temperature where the pistons and  
> other
> metal parts are expanded to their proper size. engine running colder  
> than
> this have extra clearances and introduce posibility of banging  
> around the
> wrong way. thermostat locking closed from a cold start helps drive  
> the temp
> up faster ( hence why its fully warmed up after 5 minutes instead of  
> 10-15).
> You CAN run without a thermostat, just remember that it will take  
> longer to
> warm your car up.
>
> think of it this way, you start your car in the winter with the  
> heater at
> full blast. it will take longer to get heat than to let the car warm  
> up and
> THEN turn the heat on.
>
> -Sean
>
> ----- Original Message -----
> From: "Harley" <CoolGuyHDB at sbcglobal.net>
> To: <supras at supras.com>
> Sent: Monday, August 06, 2007 6:11 PM
> Subject: Re: [Supras] Thermostat question
>
>> LOL. I just read the original e-mail sent out. You don't want to  
>> run with
>> out the thermostat. More water is normally good right? Yes... But the
>> thermostat keeps the coolant in the radiator so it can be cooled  
>> while
>> your driving, then when you stop it opens back up and allows the  
>> cooler
>> coolent into the engine to keep the engine from over heating when  
>> your not
>> moving. Pull the thermostat out and your not allowing the radiator  
>> to do
>> its job properly.
>>
>> - Harley(87t)
>> ----- Original Message -----
>> From: Jeff Mohler
>> To: Harley
>> Cc: supras at supras.com
>> Sent: Monday, August 06, 2007 3:02 PM
>> Subject: Re: [Supras] Thermostat question
>>
>>
>> IMHO, it was the blood sacrifice that the aftermarket manufacturers  
>> skip
>> in the design process.
>>
>> A little goat's blood can go a long way.
>>
>>
>>
>>
>> On 8/6/07, Harley <CoolGuyHDB at sbcglobal.net> wrote:
>>   I used a non OEM Tstat from autozone... Lasted less then a week  
>> before
>> it
>>   failed. Don't know what it is.. but it just doesn't work  
>> properly. Buy
>> it
>>   from Toyota.... Its not THAT much more than the one you would buy  
>> from
>> your
>>   local parts store.
>>
>>   - Harley(87t)
>>   ----- Original Message -----
>>   From: "Jeff Mohler" <speedtoys.racing at gmail.com>
>>   To: "Bob" < bob at hairballcreations.com>
>>   Cc: <Charismatisch at aol.com>; <supras at supras.com>
>>   Sent: Monday, August 06, 2007 2:21 PM
>>   Subject: Re: [Supras] Thermostat question
>>
>>
>>> Note to all on list that didnt read that closely..
>>>
>>>
>>> OEM thermostat only, if you dont go OEM, odds are we'll be hearing
>> from
>>> you
>>> soon after using a non OEM Tstat wondering if you have a BHG, when  
>>> in
>> fact
>>> you didnt get an OEM thermostat.
>>>
>>> On 8/6/07, Bob <bob at hairballcreations.com > wrote:
>>>>
>>>> I can't give you a simple Yes or No answer.
>>>>
>>>> I would lean toward no but just replace the thermostat with an OEM
>> unit
>>>> and
>>>> you will be sure...
>>>>
>>>> Bob
>>>>
>>>> -----Original Message-----
>>>> From: supras-bounces at supras.com [mailto: supras-bounces at supras.com]
>> On
>>>> Behalf
>>>> Of Charismatisch at aol.com
>>>> Sent: Monday, August 06, 2007 1:13 PM
>>>> To: supras at supras.com
>>>> Subject: [Supras] Thermostat question
>>>>
>>>> Hi guys and gals,
>>>>
>>>>
>>>> simple question:-
>>>>
>>>> If the thermostat doesn't open fully, can the car show signs of
>>>> overheating
>>>>
>>>> when driven at top speed (i.e. airbubbles in expansion-tank, air in
>>>> rad.pipes,
>>>> temp. gauge goes into the red)?
>>>>
>>>> At normal speed the car is fine - if I speed it up, I get the
>> typical air
>>>> in
>>>> the system, bubbling in the expansion tank, and temp gauge goes  
>>>> into
>> red
>>>> (not a BHG - that was repaired about 600 miles ago along with all
>>>> the  other
>>>>
>>>> gaskets!).
>>>>
>>>> As I only drive it in the summer a pal of mine suggested taking the
>>>> thermostat out completely and sealing the housing  -  fors and
>>>> againsts??
>>>>
>>>> Any answers much appreciated!
>>>> Derek from Germany 88T Automatic.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> ************************************** Get a sneak peek of the
>> all-new
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>>>> 4:16 PM
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>>>>
>>>>
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>>
>>
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>
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