SCCA® National Solo® Rules 2015 EDITION
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SCCA® National Solo® Rules 2015 EDITION Sports Car Club of America® Solo® 6620 SE Dwight St. Topeka, KS 66619 (800) 770-2055 (785) 232-7228 Fax www.scca.com 10.6.3 Hearing The Appeal ................................................................ 64 10.7 JUDGMENT OF THE APPEALS COMMITTEE .......................... 64 10.8 PUBLICATION AND EFFECT OF DECISION ............................ 64 10.9 BAD FAITH APPEALS ................................................................ 65 11. AWARDS ............................................................................. 65 12. AUTOMOBILE DEFINITIONS ................................................ 65 Active/Reactive Suspension ............................................................... 65 Anti-Lock Braking System (ABS) ....................................................... 65 Automobile (Car) ................................................................................ 65 Blow-Off Valve (BOV)/Pop-Off Valve (POV) ....................................... 65 Canard ............................................................................................... 65 Chassis .............................................................................................. 66 Closed Car ......................................................................................... 66 Compressor Bypass Valve (CBV) ...................................................... 66 Driver/Passenger Compartment ......................................................... 66 Drivetrain ............................................................................................ 66 Floor Pan ............................................................................................ 66 Frame Rails ........................................................................................ 66 Mid-Engine ......................................................................................... 66 Model ................................................................................................. 67 Open Car ............................................................................................ 67 Roll Bar/Roll Cage .............................................................................. 67 Sedan ................................................................................................. 67 Shock/Strut Towers ............................................................................ 67 Solid Rear Axle ................................................................................... 67 Standard Part ..................................................................................... 67 Subframe/Cross Member ................................................................... 67 Suspension ........................................................................................ 68 Suspension mount ............................................................................. 68 Strut Bar ............................................................................................. 68 Track .................................................................................................. 68 Traction/Stability Control .................................................................... 68 Trunk Area .......................................................................................... 68 Tub ..................................................................................................... 69 Tub-based Car (non-tube-frame) ....................................................... 69 Tube-Frame Car ................................................................................. 69 Unibody (Unit-Body) ........................................................................... 69 Varible Valve Timing (VVT) ................................................................. 69 Wing Area Computation ..................................................................... 69 13. STREET CATEGORY ............................................................ 71 13.1 AUTHORIZED MODIFICATIONS ............................................... 72 13.2 BODYWORK .............................................................................. 72 13.3 TIRES ......................................................................................... 73 13.4 WHEELS .................................................................................... 74 13.5 SHOCK ABSORBERS ................................................................ 75 13.6 BRAKES ..................................................................................... 76 13.7 ANTI-ROLL (SWAY) BARS ......................................................... 77 2015 SCCA® NATIONAL SOLO® RULES — 9 13.8 SUSPENSION ............................................................................ 77 13.9 ELECTRICAL SYSTEM .............................................................. 77 13.10 ENGINE AND DRIVE TRAIN .................................................... 78 14. STREET TOURING® CATEGORY .......................................... 81 14.1 AUTHORIZED MODIFICATIONS ............................................... 81 14.2 BODYWORK .............................................................................. 81 14.3 TIRES ......................................................................................... 82 14.4 WHEELS .................................................................................... 83 14.5 SHOCK ABSORBERS ................................................................ 83 14.6 BRAKES ..................................................................................... 83 14.7 ANTI-ROLL (SWAY) BARS ......................................................... 84 14.8 SUSPENSION ............................................................................ 84 14.9 ELECTRICAL SYSTEM .............................................................. 87 14.10 ENGINE AND DRIVETRAIN ..................................................... 87 14.11 OUT OF PRODUCTION CARS ................................................ 89 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 ................................................................ 96 15.6 BRAKES ..................................................................................... 97 15.7 ANTI-ROLL (SWAY) BARS ......................................................... 97 15.8 SUSPENSION ............................................................................ 98 15.9 ELECTRICAL SYSTEM ............................................................ 100 15.10 ENGINE AND DRIVE TRAIN .................................................. 101 15.11 OUT-OF-PRODUCTION CARS .............................................. 105 16. STREET MODIFIED CATEGORY ......................................... 107 16.1 ALLOWED MODIFICATIONS ................................................... 108 16.2 MINIMUM WEIGHTS ................................................................ 112 17. PREPARED CATEGORY ..................................................... 113 17.1 AUTHORIZED MODIFICATIONS ............................................. 114 17.2 BODYWORK AND STRUCTURE ............................................. 114 17.3 TIRES ....................................................................................... 119 17.4 WHEELS .................................................................................. 119 17.5 SHOCK ABSORBERS & SPRINGS ......................................... 120 17.6 BRAKES ................................................................................... 121 17.7 ANTI-ROLL (SWAY) BARS ....................................................... 121 17.8 SUSPENSION/SUSPENSION CONTROL ............................... 121 17.9 ELECTRICAL SYSTEM ............................................................ 123 17.10 ENGINE AND DRIVETRAIN ................................................... 123 17.11 OTHER ................................................................................... 131 17.12 SAFETY .................................................................................. 132 10 — 2015 SCCA® NATIONAL SOLO® RULES 18. MODIFIED CATEGORY ....................................................... 133 18.1 MODIFIED PRODUCTION-BASED CARS .............................. 136 18.2 SPORTS RACERS ................................................................... 144 18.3 FORMULA CARS ..................................................................... 145 18.4 SPECIALS ................................................................................ 145 18.5 FORMULA SAE (FSAE) ........................................................... 146 18.6 LEGENDS CARS AND DWARF CARS .................................... 146 19. KART CATEGORY .............................................................. 149 19.1 KART MODIFIED (KM) ............................................................. 149 19.2 FORMULA JUNIOR .................................................................. 154 20. PROSOLO® NATIONAL SERIES RULES ............................. 159 20.1 PROSOLO® EVENTS .............................................................