Series Manager: Marc T.

NSR Porsche 997 Challenge

• Box-stock time-trial series featuring the NSR Porsche 997.
• Racers must select a livery prior to the series. No more than two of the same liveries are allowed.
• Race format: Road track races will be 60 laps, run head to head, rotating through in the usual round robin fashion. Rally track races will be 40 laps using standard rally track running model.
  Track choice to be determined by coin toss AFTER TECH.
• Body
  • The body cannot be modified in any way.
  • The stock plastic cockpits and glass are mandatory
  • Lexan cockpits or glass are prohibited.
  • Body must start every heat with radiators, windows, and wings in their correct location.  If any of these items fall off during a heat they must be repaired before the next heat starts.
  • Antennas, mirrors, wipers, and tow hooks are not required and do not have to be replaced if they come off.
  • White kits are allowed but must be painted, or uniquely decaled.  At least two numbers must be visible.
  • Duplicate liveries are discouraged.
  • Body screws open choice.  These can be taped to prevent loss. Any car that loses a screw and causes an issue with a competitor’s car May have a 15 second penalty applied.
• Chassis
  • No modifications to the chassis are allowed.
  • Any hardness stock NSR chassis may be used.
• Guide
  • NSR guides are mandatory.
  • Guides may be shortened and profiled on the leading and trailing edges to improve their compatibility with the rally track crossover and hairpin turn.
  • Pick-up braids are open choice.
  • Guide spacers are open choice
  • NSR RED drop-arm optional. May be loose or fixed.
• Set Up
  • Wheel/tire must not be visible outside wheel-well/fender when viewed from above.
  • Guides may be trimmed and profiled.
  • Magnetic downforce cannot exceed (some arbitrary figure) grams.
  • Any and all ballast must be on the topside of the chassis.  No weight limit.
• Motor
  • Stock King 21/evo motor must be used
  • Lead wires and lead wire guide terminals are open choice.
• Motor Pod
  • Any hardness NSR angle-winder motor pod may be used.
  • The motor pod is prohibited from protruding below the chassis.
  • Flashing may be removed from the motor pod to allow better float. Excessive removal of material determined by the scrutineer.
  • Motor can be held in place with screws.  Screws are open choice.
  • Motors cannot be held in with tape or glue.
  • NSR stop/axle collars are allowed.
  • Spacers/washers are open choice.
  • NSR Bronze bearings mandatory
  • Pod screws are open choice.
  • Tape may be used to prevent the pod screws from falling out.
  • Tape over the motor pod to limit pod movement is not allowed.
• Gears
  • Any NSR gearing combination is allowed.
• Wheels
  • NSR stock wheels mandatory
  • NSR wheel inserts are mandatory No inserts may incur a 15 second penalty
• Axles
  • Only NSR axles are allowed.
  • Any modifications to axles (other than polishing) are prohibited.
  • Axle spacers and axle stops are allowed.
• Tires
  • Front tires must be NSR
  • Front tires must be 8mm wide.
  • Rear tires can be any 10mm width NSR Supergrip or Ultragrip tire.
  • Tires may be glued to the wheels, trued, and have their edges rounded.
  • Traction compounds are prohibited.
  • Varnishing the front tires to make them slick is not allowed.
• Track Power
  • Road track:
    • Group A – 12v. (Pending confirmation of testing.)
    • Group B – 10v.
  • Rally track: variable