Quote:
Originally Posted by PrimeBMW
Historically I believe you are correct regarding the A7 being a "autocross" tire. But in the last few years (maybe they changed the compound) club racers have started using it for qualifying and race. It seems to be the fast and smart choice. The downside is that it heat cycles out quickly. So for HPDE I would choose the R7 as it seems to have some drop off but fairly consistent speed throughout its life.
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Thanks for clarifying.
I think the R7 is the smarter choice for HPDE, as it's not like shaving a few tenths off a lap time is going to make the difference between winning the trophy and taking second place.