Quote:
Originally Posted by TommyW
This "well the oil can handle it" narrative is almost comical. Heat is the enemy in almost all mechanical applications. Oil is not really even in the overall equation. Go to any track. The hoods are open to let heat out and never open because, well things are just too darn cool.
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I usually leave my hood closed at the track between sessions. Coolant temps never get much above 200F on track so underhood temps shouldn't be outside design envelope. I don't open my hood after driving in stop/go traffic with the A/C on in the summer either, I'd bet underhood temps get hotter from that.