The 2014 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. This year introduces a new rules to the stock classes, which do not allow for race tires and the addition of a race tire class.
| Stock Classes SS 0.843 AS 0.833 BS 0.831 CS 0.821 DS 0.815 ES 0.814 FS 0.818 GS 0.806 HS 0.797 |
Stock Race Tire Classes SSR 0.860 ASR 0.848 BSR 0.845 CSR 0.834 DSR 0.825 ESR 0.828 FSR 0.830 GSR 0.812 HSR 0.804 |
Street Prepared SSP 0.872 ASP 0.866 BSP 0.863 CSP 0.861 DSP 0.855 ESP 0.849 FSP 0.839 |
| Street Touring & Street Modified STF 0.801 STC 0.824 STS 0.829 STR 0.838 STX 0.827 STU 0.846 SM 0.870 |
Prepared XP 0.906 BP 0.881 CP 0.864 DP 0.879 EP 0.876 FP 0.883 GP 0.850 |
Modified AM 1.000 BM 0.965 CM 0.922 DM 0.920 EM 0.926 FM 0.924 |
| Formula FSAE 0.989 KM 0.957 JA 0.880 JB 0.842 JC 0.741 |
For historical PAX values visit Rick Ruth’s PAX/RTP page
