Quote:
Originally Posted by wstar
Good point to reinforce there. Warmup and Cooldown are very important if you're stressing the car. All kinds of things can go wrong if you stress a cold car, or if you shut down a very hot car. Most track sessions I warm up the car at idle on the grid *at least* enough to get the water gauge up in a normal-ish range, and then the oil comes up during the warmup lap first session of the day (or it's already pretty warm later). Then I always take a cooldown lap where I try to avoid braking, and keep the engine revs lower while the oil/water temps drop back off. Usually by the time I shut off, water's back down to ~203 and oil's back down to ~210.
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Definitely important! I did do an outlap/cool down lap and then I had to drop off my instructor back at registration so he could jump in his car and go pick up all the massacred cones.
After dropping him off I left the engine idling and didn't shutdown the car, probably for 5 to 10 minutes at least. I also left the hood up so it could ventilate a bit more
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