Does A Full-Synthetic Make A Cooler Dispensable???

[ULVER]

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Synthetics will run cooler.

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Is it because synthetic is more slippery and will therefore provide less resistance to the moving engine parts?

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I have been told they dissipate heat quicker, than conventional oil, though I don't know exactly why.

 

[mechtech2]

Police cars get heavy duty everything - which is good and in the right direction. Who knows what conditions will arise?
The thickness of the oil has more to do with cooling than dino/synth. Thinner oils cool the engine better.

 

[Dave424]

I just bought an 07 Accord 2.4L. Same engine as the Element. I installed Hayden 401 tranny cooler in my own garage. Took a few hours, no special tools needed.

Thinking maybe I should have gone for a bigger cooler since the tranny lines are not significantly cooler, still very, very hot to the touch.

 

[Steve S]

What is the max oil temps that will be encountered? Some syn base oils aren't much better than the higher quality dino oils.