Originally Posted by
SteveG
I've always run the same gears at Thunderhill and Sears Point (Sonoma Raceway) 25 years ago in FC and today in S2. While not perfect because 1st could be a taller because there is nothing as slow as SPIRs T7 and T11 at Thunderhill. I'm also lazy so not having to change gears between races is a plus. Anyway...
With a 10:31 CWP and 22" rear tires:
17:34
20:31
22:29
24:27 - Tops out at ~6900 RPMs entering T1
Worked for me on all 3 track configurations at the last race back in October.
Of course YMMV.
Steve