National Solo® Rules 2012 EDITION Sports Car Club of America® Solo® P.O. Box 19400 Topeka, KS 66619-0400 (800) 770-2055 (785) 232-7228 Fax www.scca.com 10.3 TAKING AN APPEAL .................................................................. 64 10.4 COMPOSITION OF THE NATIONAL APPEALS COMMITTEE ... 64 10.5 DECISION TO HEAR ................................................................. 65 10.6 CONVENING THE APPEALS COMMITTEE ............................. 65 10.6.1 Hearing The Appeal / National Appeals Committee .............. 65 10.6.2 Appointed Appeals Committee .............................................. 65 10.6.3 Hearing The Appeal .............................................................. 65 10.7 JUDGMENT OF THE APPEALS COMMITTEE ......................... 66 10.8 PUBLICATION AND EFFECT OF DECISION ............................ 66 10.9 BAD FAITH APPEALS ............................................................... 66 11. AWARDS ............................................................................. 66 12. AUTOMOBILE DEFINITIONS ................................................ 66 12.1 AUTOMOBILE (CAR) ................................................................. 66 12.2 SEDAN ....................................................................................... 67 12.3 MODEL ....................................................................................... 67 12.4 STANDARD PART ..................................................................... 67 12.5 TRACK ....................................................................................... 67 12.6 OPEN AND CLOSED CARS ...................................................... 67 12.7 FLOOR PAN ............................................................................... 68 12.8 DRIVER/PASSENGER COMPARTMENT .................................. 68 12.9 WING AREA COMPUTATION .................................................... 68 12.10 CANARD .................................................................................. 68 12.11 ACTIVE/REACTIVE SUSPENSION ......................................... 68 12.12 TRACTION/STABILITY CONTROL .......................................... 68 12.13 MID-ENGINE ............................................................................ 68 12.14 BLOW-OFF VALVE (BOV) / POP-OFF VALVE (POV) ............. 68 12.15 COMPRESSOR BYPASS VALVE (CBV) ................................. 68 12.16 SOLID REAR AXLE ................................................................. 69 12.17 VARIABLE VALVE TIMING (VVT) ............................................ 69 12.18 STRUT BAR ............................................................................. 69 13. STOCK CATEGORY ............................................................. 71 13.1 AUTHORIZED MODIFICATIONS ............................................... 72 13.2 BODYWORK .............................................................................. 72 13.3 TIRES ......................................................................................... 74 13.4 WHEELS .................................................................................... 75 13.5 SHOCK ABSORBERS ............................................................... 75 13.6 BRAKES ..................................................................................... 77 13.7 ANTI-ROLL (SWAY) BARS ........................................................ 77 13.8 SUSPENSION ............................................................................ 77 13.9 ELECTRICAL SYSTEM ............................................................. 78 13.10 ENGINE AND DRIVE TRAIN ................................................... 78 14. STREET TOURING CATEGORY ............................................ 81 14.1 AUTHORIZED MODIFICATIONS ............................................... 81 14.2 BODYWORK .............................................................................. 81 TABLE OF CONTENTS — 9 14.3 TIRES ......................................................................................... 83 14.4 WHEELS .................................................................................... 83 14.5 SHOCK ABSORBERS ............................................................... 83 14.6 BRAKES ..................................................................................... 84 14.7 ANTI-ROLL (SWAY) BARS ........................................................ 84 14.8 SUSPENSION ............................................................................ 84 14.9 ELECTRICAL SYSTEM ............................................................. 87 14.10 ENGINE AND DRIVETRAIN .................................................... 88 14.11 OUT OF PRODUCTION CARS ................................................ 90 15. STREET PREPARED CATEGORY ......................................... 91 15.1 AUTHORIZED MODIFICATIONS ............................................... 92 15.2 BODYWORK .............................................................................. 93 15.3 TIRES ......................................................................................... 96 15.4 WHEELS .................................................................................... 96 15.5 SHOCK ABSORBERS ............................................................... 97 15.6 BRAKES ..................................................................................... 97 15.7 ANTI-ROLL (SWAY) BARS ........................................................ 98 15.8 SUSPENSION ............................................................................ 98 15.9 ELECTRICAL SYSTEM ........................................................... 101 15.10 ENGINE AND DRIVE TRAIN ................................................. 102 15.11 OUT-OF-PRODUCTION CARS ............................................. 106 16. STREET MODIFIED CATEGORY ......................................... 107 16.0.A. PURPOSE ......................................................................... 107 16.0.B. CLASSES .......................................................................... 107 16.0.C. VEHICLE ELIGIBILITY ...................................................... 107 16.1 ALLOWED MODIFICATIONS .................................................. 108 16.2 MINIMUM WEIGHTS ............................................................... 112 16.3 OTHER ..................................................................................... 112 17. PREPARED CATEGORY ..................................................... 115 17.1 AUTHORIZED MODIFICATIONS ............................................. 116 17.2 BODYWORK AND STRUCTURE ............................................ 117 17.3 TIRES ....................................................................................... 122 17.4 WHEELS .................................................................................. 122 17.5 SHOCK ABSORBERS & SPRINGS ......................................... 122 17.6 BRAKES ................................................................................... 123 17.7 ANTI-ROLL (SWAY) BARS ...................................................... 124 17.8 SUSPENSION/SUSPENSION CONTROL ............................... 124 17.9 ELECTRICAL SYSTEM ........................................................... 126 17.10 ENGINE AND DRIVETRAIN .................................................. 126 17.11 OTHER ................................................................................... 134 17.12 SAFETY ................................................................................. 135 18. MODIFIED CATEGORY ...................................................... 137 18.1 MODIFIED PRODUCTION-BASED CARS .............................. 140 18.2 SPORTS RACERS .................................................................. 148 10 — 2011 SCCA NATIONAL SOLO RULES 18.3 FORMULA CARS ..................................................................... 149 18.4 SPECIALS ................................................................................ 149 18.5 FORMULA SAE (FSAE) ........................................................... 150 18.6 LEGENDS CARS AND DWARF CARS .................................... 151 19. KART CATEGORY .............................................................. 153 19.1 KART MODIFIED (KM) ............................................................ 153 19.2 FORMULA JUNIOR ................................................................. 158 20. PROSOLO® NATIONAL SERIES RULES ............................. 163 20.1 PROSOLO® EVENTS ............................................................. 163 20.2 OVERVIEW .............................................................................. 163 20.3 PROGRAM OBJECTIVE AND STRATEGIES .......................... 163 20.4 OPERATIONAL AUTHORITY AND RULES INTERPRETATION ... 163 APPENDIX A - AUTOMOBILE CLASSES ................................... 165 STOCK CATEGORY ........................................................................ 167 Super Stock (SS) ........................................................................... 167 A Stock (AS) ................................................................................... 168 B Stock (BS) .................................................................................. 168 C Stock (CS) .................................................................................. 169 D Stock (DS) .................................................................................. 170 E Stock