Rainy Track Day - Adjust tire pressure?
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Look for the water on the course, it may tend to puddle more on the dry line as mentioned, go for the area with less water but still with a decent line.
Once the cars are out on the track things dry up pretty well in a hurry unless it keeps on raining. Adjust as needed and come to the pit area if you need to make a quick adjustment on the fly.
Correct tire pressures are essential. If you can chalk tires, or use a tire pyrometer that helps to reduce the chance of running pressures that are too high or too low since you want tire temps similar across the tread surface as much as the conditions will allow.
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Thanks for all the tips. It ended up sprinkling a little off and on and the track was generally dry. There is a chicane at PIR and its cement so that was the only part that was noticeably slick, but even that dried out.
I ended up running into a really helpful guy who told me my pressures were way too high. At this point it was so dry I was bascially working on a dry setup.
I had been running 37 psi cold front and rear, after the 1st session they were at about 42, and the guy helping me was suprised that I could stay on the track! We lowered them to 30 psi cold and I could noticeably feel more grip. It also felt as the tires broke away more gradually than before.
I ended up running into a really helpful guy who told me my pressures were way too high. At this point it was so dry I was bascially working on a dry setup.
I had been running 37 psi cold front and rear, after the 1st session they were at about 42, and the guy helping me was suprised that I could stay on the track! We lowered them to 30 psi cold and I could noticeably feel more grip. It also felt as the tires broke away more gradually than before.
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