Why Such A Hot Thermostat?

[nanook12]

Put a 190F on with a metal housing. Don’t understand why they want such a hot thermostat in the 3.0?
runs great 30 degrees cooler!

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[caryt]

Without the expense of custom tunes etc?

 

[ChrisNLA]

Emissions/efficiency.

Then secondarily, high enough temperatures to adequately cook moisture out of the oil.

 

[Jrgunn5150]

Every single internal combustion engine ever runs better and more efficiently when it's hotter.

It's not 1991, putting some silly cool 160 degree t stat in your TBI Camaro so the PCM dumps fuel isn't a power gain today, it's just wasting money.

 

[DanJT]

Emissions/efficiency.

Then secondarily, high enough temperatures to adequately cook moisture out of the oil.

This right here!

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