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2008 RTP-PAX Index
The RTP (Racers Theoretical Performance) Index was developed by Rick Ruth and reflects a study of results from over 200 nationwide Solo II events including, the Tire Rack® Solo II® National Championships, National Tour, Chicago Region SCCA®, Houston Region, Milwaukee Region, New England Region, Northern New Jersey Region, Philadelphia Region, Southeast Divisional Series, San Francisco Region, San Diego Region, South Jersey Region, Subaru CenDiv Series, Tri-State Sports Car Council, Texas Region, Wisconsin Autocrossers Inc., and several others.
(Source: Chicago Region-SCCA®)
Stock   Street
Prepared		   Prepared   Modified   Other
SS 0.852 (+.004) | ASP 0.862 (+.004) | XP 0.882 (+.008) | AM 1.000 (+.000) | STS 0.816 (+.011)
AS 0.842 (+.004) | BSP 0.858 (+.005) | BP 0.866 (+.000) | BM 0.937 (-.007) | STS2* 0.818 (+.012)
BS 0.832 (+.004) | CSP 0.856 (+.011) | CP 0.864 (+.000) | CM 0.904 (-.005) | STX 0.820 (+.012)
CS 0.831 (+.009) | DSP 0.843 (+.007) | DP 0.863 (+.003) | DM 0.890 (+.001) | STU 0.830 (+.009)
DS 0.812 (+.008) | ESP 0.841 (+.007) | EP 0.861 (-.002) | EM 0.887 (+.008) | SM 0.860 (+.004)
ES 0.817 (+.005) | FSP 0.833 (+.010) | FP 0.872 (+.004) | FM 0.895 (+.005) | SM2** 0.867 (+.005)
FS 0.821 (+.012) |     | GP 0.847 (+.000)  |           
GS 0.815 (+.012) |                      
HS 0.792 (+.003) |                      
 
The number in parentheses indicates the change from last year's index.
  * STS2 runs as class name STT at THSCC events.
 ** SM2 runs as class name SSM at THSCC events.
 
National classes not recognized at THSCC events...
Modified: FSAE 0.946 (-.003)
Other: F125 0.948 (+.002)
  FJA (was FJ4) 0.855 (+.004)
  FJB (was FJ3) 0.828 (-.002)
  FJC 0.770
 
Prior Years Indexes:
2007   2006   2005   2004   2003   2002   2001   2000   1999   1998   1997   1996   1995   1994
 
 
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