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