upcoming races
Las Vegas
St. Louis

SCSN TEXAS "The Grudge Edition" // JUNE 18-19, 2021


LAS VEGAS // Nov 18-21, 2021

ST. LOUIS // July 9-10, 2021


class rules / LAS VEGAS MMR Open Comp


MMR Open Comp is an "Open Comp Style" class that is designed for all Door Cars that uses a .400 or .500 Split Pro Tree...The "Open Comp" class will be run on an Open Comp format with a 1-tenth (1/10th) breakout. What this means is, you get 4 rounds of qualifying. You take 1/10th off your quickest time and that is your automatic dial-in for eliminations. This time will be yours throughout eliminations (it does not change). The best reaction time is the #1 qualifier, you will then be put on a Sportsman ladder for eliminations. There are basically no other rules in this class, so come out and have some fun.


RACE FORMAT: SCSN events are 4 days, Thursday & Friday are optional but recommended and will feature Qualifying Passes (1-Thurs & 2-Friday) On Saturday, you will get 1 Final Qualifying Pass followed by 1st-round of eliminations... Eliminations times will be posted at the SCSN Event Trailer.


RULES & REGULATIONS: MMR Open Comp is based on an Open Comp format, which uses a " 5/10ths Pro Tree" start system. Only Door Cars are permitted to enter. Any modifications, any tires, any vehicle weight, or any and all power adders are permitted. Trans-brakes and 2-3 step Rev-Limiters are permitted. Delay boxes, Throttle-stop, crossover boxes, or any "reaction-time related" electronic aides (See Electronics Policies Below) are strictly prohibited. If your Car has any of these "Bracket Race Aides" Please check out our Electronics Bracket Class


ELECTRONIC POLICIES: The Following Devices are Illegal: (And Have to Be Completely Removed from Car)

*Electronic / Pneumatic / or any Remotely Activated Throttle Stops

*Optical Sensors / Stutter Boxes

*Delay Boxes / Cross-Over Boxes

*Any and All After-Market "Traction Control Devices" If your car came from factory with it, its legal


The Following Devices are Legal: * 2 & 3 Step Rev-Limiters


*Electric / Hydraulic Pneumatic Clutch Release Devices

*MSD-7 and/or any other Ignition Box that contains Programmable Timing Functions


LANE CHOICE: During 1st round of elimination's the higher qualified car will have lane choice... In the 2nd round and beyond, the driver that is closest to his/her dial without going quicker will be awarded lane choice. If both drivers go under their dial-ins, the driver that is closer to his/her dial will be awarded lane choice for that round.


CLASS SPONSOR DECAL: "MMR" decal must be installed on base of windshield on the passenger side. (Bottom left-hand side when looking at front of vehicle windshield)


CLASS PRESENTED BY SPONSOR DECAL: "FuelTech" decal must be installed on base of windshield on the drivers side. (Bottom right-hand side when looking at front of vehicle windshield) Decals will be available during registration at the SCSN Event Trailer


SCSN SERIES DECALS: SCSN Decals must be placed on both left & right sides of race car on the 1/4 Window, 1/4 Panel or Side of Rear Wing in a highly visible location


SCSN TITLE SPONSOR DECAL: "Comp Cams" Decal must be placed on the upper windshield in the center


REGISTRATION: All Open Comp racers must register at the SCSN Event Trailer before taking your car to tech....


TOW VEHICLES: Open Comp allows tow vehicles in the staging lanes. You can tow your vehicle back to the pits at the conclusion of your run after exiting the racing surface.


WINNERS CIRCLE PICTURE & CONTINGENCY VERIFICATION: Open Comp Winner & Runner-up must return to the SCSN Winners Circle Area for Official Photographs and Contingency Verification. Failing to do so, will result in loss of all contingency monies earned. There are no exceptions!!!


CONTINGENCY PROGRAM & CONTINGENCY DECALS: All contingency decals may appear anywhere on the vehicle in a clear and organized fashion. Contingency decals may not be overlapped or modified. Most decals are available at the SCSN Event Trailer, but in the event the SCSN does not have the decals in stock, it is the racer's responsibility to obtain the proper decals to be eligible for the Contingency payout.


Once Your Vehicle Passes Tech Inspection, There Are No Refunds!!!



$1,500 / To Win

$500 / Runner-up

$200 / Semi's

$100 / Quarters Class Entry Fee: $75 (Plus $80 Weekend Track Tech Card)


All drivers and vehicles must meet current NHRA and track requirements.



Once Your Vehicle Passes Tech Inspection, There Are No Refunds!!!



Heather Roth: Event Coordinator


Call/Text 1-702-701-6464

Mel Roth: President


Call/Text 1-661-917-3078