Quote:
Originally Posted by mipstien
Thanks for the reply piper6909.
Doesn't the most wear happen during the heat up phase and subsequently if the thermostat opens early wouldn't that make it wear for longer?
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These engines run way too hot with the factory thermostat, primarily for emissions purposes. Lower the coolant temperatures also dramatically lowers the oil temperatures, the oil lives longer and does a better job as the result, without impacting the car's emissions one iota.
Keeping the engine cooler also help the engines thermal efficiency, reducing spark knock, and helping it run harder. Every GT car, cup car, and all the factory turbo cars came with a 160 F thermostat.
And no, you won't see much of a change on the dash display, but that is due to the gauge's rather poor accuracy. Realistically, your engine will have dropped from around 210-220 F to around 170-175 F, will actually warm up quicker, and will still have tons of heat in the winter.
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