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Old 05-22-2014, 02:55 PM   #11
The Radium King
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i'll buy that. so presume then that engine wants to steady-state at around 174 and low temp tstat lives in the open position.

oem tstat at 180 cycles on and off, resulting in temp peaks and overall higher average operating temp (theory being that Porsche used a 180 tstat to increase start-up temps for emissions; competition cars not required to meet emission standards run 160 tstats as standard).

in the context of this thread, what would cause the engine to lock-in at a higher temp. initial assumption is that the gauge is too inaccurate to be trusted. what if the tstat stuck closed? would the engine find a higher steady state temp (engine bay fan cooling, etc.)?
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