Quote:
Originally Posted by rhyary
Thanks for your input Bartledoo .
I would note that the same person drove the two size tires a week apart in similar temperature settings. While the two tires were different manufactures, they were the same category UHP All season.
I do like your theory that the driver need practice. It is why I continue to attend HPDE events.
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The temps are not the problem.
These are the temps and tires for my last five days on a one year old very smooth (smoothest in the northwest currently) track surface:
1/15: low 37 high 43, end of life high heat cycle hard slicks 305/645 (equivalent to 305/30 size) - damp in the first session, but totally fine with great balance and great pace all day
1/22: low 28 high 46, end of life high heat cycle A052 295/30 - totally fine with great balance and great pace. Rears overheated quickly of course because that’s A052
2/12: low 27 high 57, new conti force 295/30 - all good
4/1: low 32 high 50, extremely overcast and chilling breeze - current PB on the conti force in the morning sessions
4/2: low 39 high 54 - also good