OVERHEATING

RRR I hate to disagree but.... (You know me :rolleyes: )

Nascar run typically 230 to 260 deg F

And yes the engine clearances are tuned for that temp.

https://www.nascar.com/news-media/2014/06/14/debris-can-wreak-havoc-on-a-race-car/amp/


and they run that temp for hours.


the cooling system is also sized / setup for the heat being transfered.