What tire pressures should I run?

[Larry Herman]

Darren, what you say is true, but I think that most of the temperature in a tire comes from the distortion and sliding that occurs in a turn.  There is where the highest sustained loads are, and checking tire temps in the pits gives us a muddled average of what is actually happening, weighted mostly from cornering.  This is a fact recognized by the pro race teams, and the latest strategy is to put 12 IR sensors (3 per tire) on the car to get real-time temperatures.  Then they can map the tire temps over the course of an entire lap, and make better determinations.  Still, like us, they have to make most of their adjustments to improve cornering because that is where most of the speed comes from.