The 2013 SCCA Solo Autocross PAX indexes have been released. The PAX index is used as a basis to compare times against cars across different classes. The PAX index is calculated based off of results from over 500 events nationwide.
Stock Classes SS 0.859 AS 0.847 BS 0.845 CS 0.834 DS 0.826 ES 0.828 FS 0.830 GS 0.816 HS 0.804 |
Street Prepared SSP 0.871 ASP 0.866 BSP 0.858 CSP 0.861 DSP 0.855 ESP 0.849 FSP 0.838 |
Street Touring & Modified STF 0.795 STC 0.824 STS 0.829 STR 0.839 STX 0.827 STU 0.846 SM 0.867 |
Prepared XP 0.901 BP 0.878 CP 0.862 DP 0.874 EP 0.875 FP 0.877 GP 0.850 |
Modified AM 1.000 BM 0.962 CM 0.910 DM 0.918 EM 0.928 FM 0.917 |
Formula FSAE 0.989 KM 0.955 JA 0.879 JB 0.842 JC 0.743 |
For historical PAX values visit Rick Ruth’s PAX/RTP page