NSR Porsche 997 Challenge
- Box-stock time-trial series featuring the NSR Porsche 997.
- Race format: 60 laps on road track, (lane TBD by lot) or 40 laps on rally track.
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.
- The stock NSR BLACK chassis must be used
- Guide
- NSR guides are mandatory.
- Pick-up braids are open choice.
- Guide spacers are open choice
- NSR RED drop-arm mandatory. 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.
- Motor
- Stock NSR Shark 21.5, or King 21/evo must be used
- Lead wires and lead wire guide terminals are open choice.
- Motor Pod
- NSR RED Sidewinder or Angle-winder motor pod required
- 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
- NSR stock gearing mandatory
- 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: 12v.
- Rally track: variable
Build it strong.
Keep it simple.
Make it work.
(Leroy Grumman)