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cdrptrks · 09-24-2022, 04:10 PM

If you are confident that you can put together a really fast first hot lap at the beginning of each session and are willing to tolerate the high price and high wear rate of A7s, they should be faster than R7s but R7s should provide you with more opportunities to attempt fast laps without overheating them IMO.

This forum member seems to be competitive in his SS 1LE in the NASA ST3 class using Hoosier R7s for races (as of last year, unsure if he changed to a different tire this year) and his car is several hundred pounds lighter than a ZLE since it doesn't have the added supercharger weight.
https://youtube.com/c/ItsLewisracing927
I imagine he would use A7s if they had a better average lap time over the course of each race but I am not an expert on Hoosiers or the class rules.

EDIT: It looks like he would have needed to detune the car by another 25hp to run Hoosier A7 instead of R7 in the ST3 class with all else being equal.

09-24-2022, 04:10 PM	#8
cdrptrks Drives: 2017 Blue Camaro 1SS 1LE with PDR Join Date: Sep 2018 Location: Houston, TX Posts: 1,073	If you are confident that you can put together a really fast first hot lap at the beginning of each session and are willing to tolerate the high price and high wear rate of A7s, they should be faster than R7s but R7s should provide you with more opportunities to attempt fast laps without overheating them IMO. This forum member seems to be competitive in his SS 1LE in the NASA ST3 class using Hoosier R7s for races (as of last year, unsure if he changed to a different tire this year) and his car is several hundred pounds lighter than a ZLE since it doesn't have the added supercharger weight. https://youtube.com/c/ItsLewisracing927 I imagine he would use A7s if they had a better average lap time over the course of each race but I am not an expert on Hoosiers or the class rules. EDIT: It looks like he would have needed to detune the car by another 25hp to run Hoosier A7 instead of R7 in the ST3 class with all else being equal. Last edited by cdrptrks; 09-24-2022 at 04:41 PM.