000000000000000000000000000000000000000000000000000000000000At 02:58
AM 7/13/2015, SDF ( aka ;jim lahey' - Scott ) wrote:
>once the t-stat is open ..it's open.
>it won't matter if there is a 170 F stat in there, or a 195 etc..
>the Stat only determines when coolant can flow.
>it does not make engines 'run cooler' .
>a cooler stat just starts flow ealier.

Except it's not quite that simple.  The stock thermostat begins to
crack open very slightly at about 85C/185F, and is not fully open
until 105C/221F.  Notice that the second stage fan is already on
before the thermostat is all the way open.  Ref. 19.8, 19.11, 19.12.

Yours,
David