Classes

• Oval Classes – $75 per entry
  • Slash Superstock
  • Losi Sprint
  • Mini Sprint
  • Mod Sprint
  • Traxxas Modified
  • Outlaw truck
  • Midget
  • Non Wing Sprint
  • 13.5 Sprint
  • Promoto
  • Modified Late Model

Rules:

 2026 Silver State Oval Championship Rules

General Rules

• All qualifiers should be 4 minutes in length, qualifiers should use IFMAR starts. Mains will be 5 min in length.
• Turn marshals should not work on or repair cars during a race. Minor issues like popping on a ball cup for a steering link are okay.
• If a pit lane is available cars must enter and exit the racing surface via the pit lane at all times.
• Any cars damaged and placed in the infield will remain there until that race is over.
• All drivers must turn marshal the race immediately following their race.
• All cars will be made available for tech inspection before and after race if required by the race director.
• Once a car has gone through pre-race tech it must go directly to track or impound area and not back to pit area.
• All racers must have a personal transponder as required by the race organizer.
• All Classes are required to use 2S Hardshell LiPo Batteries. Max 6,500mah.
• To ensure safe charging methods are followed by all competitors, all batteries may be checked prior to each race to ensure battery voltage is a maximum of 8.44 volts or less. If the battery reads 8.45 or more you will be given the opportunity to run-off the over voltage and re-tech, but the race start will not be held for you.
• Gyro’s and/or Traction Control Devices are NOT ALLOWED in any class

Race directors will have ultimate authority over rules enforcement. The primary basis for any rules decision must be based on what will be best for the majority of racers.  If an item is not addressed in the rules listed here then you should assume it is not legal.

*Sprint car general rules*

• All cars must have a scale appearing roll cage, hood, side panels, nerf bars and bumpers.
• Minimum of a 4 post cage required that resembles a drivers cock pit.
• All electronics and radio gear must be positioned inside the cage side frames. Three dimensional scale appearing exhaust headers are recommended, but not mandatory.
• Rear cage side panels may be used but may not extend more the .250” beyond rear cage frame.
• No Lexan or any other material may be mounted to nerf bars, bumpers, cage, wing or any other parts of the car that will trap, alter or direct air flow for the purpose of gaining an aerodynamic advantage.
• Wheelbase must be within 9.50” and 11.50”. Max width is 10.00”
• Must have appropriate opening on both sides of cage in driver compartment, forward portion of side panels can be no taller than highest point of the hood.
• Maximum length: 18.00”
• Maximum width of hood: 3.60”
• Maximum cage width at driver halo, down tubes, and top frame rail: 3.60”
• Maximum chassis width: 4.025”
• Maximum cage height from top of chassis to top of highest point of cage: 5.5”
• Minimum vertical gap form top of hood to front cage crossbar: .750”
• Wing minimum height at leading edge: 5.00” front bottom of chassis.
• All cage and body components such as cage, bumpers, nerf bars, hoods, side panels, tanks, etc. must be mounted on the centerline of the cage. Chassis may not extend outside of the side panels by more than 1/4″ on either side.

Sprint Car Wing Guidelines:

• Top wing minimum height at leading edge: 5.00″ from bottom of chassis. Top wing maximum height at leading edge: 6.50″ from bottom of chassis.
• Center sections and side panels must be made from at least 3 separate pieces of polycarbonate or carbon material. (NO ALUM side panels allowed)
• Main and Front wings must be mounted so that they are centered on cage, no offset wings.
• Wing center sections must have all 4 corners set a 90 degree angles, no canted or angled panels.
• Wings must also be mounted level from side to side
• Center section of wing may not extend beyond leading or trailing edge of side panels.
• Side panels must have braces that hold side panels rigid 90 degrees to center section during race conditions, two braces are required from top of the center foil to the left sideboard and two braces are permitted below the center foil to the right sideboard.
• Braces can be a maximum of .750” wide and front edge of the front brace must be no more than 1.5” back from the side panel leading edge. Side panels may have a front, back, top and bottom turnout of no more than .375” and included in max dimension. Flat foil center sections will be allowed .250” turndown at the leading edge.
• Wing size used will be 7×7. Driver numbers must be posted on each side of the side panels of the wing.

Modified Sprint (410)

• Any ROAR APPROVED brushless motor (No KV equivalent motors allowed)
• Any ROAR APPROVED ESC may be used in any mode (Blinky or Open Timing)
• 2S Hardshell LiPo Battery
• Open Tire (Rubber only, No Foam)

13.5 Winged Sprint (360)

• Any ROAR approved 13.5 turn sensored brushless motor
• Any ROAR APROVED ESC must be run in Blinky mode only
• 2S Hardshell LiPo Battery. Max 6,500mah. Max 8.44 volts.
• Open Tire (Rubber only, No Foam)

13.5 OUTLAW TRUCK: 2wd Stadium Trucks

• 12″ minimum width.
• Any ROAR approved 13.5 turn sensored brushless motor
• Any ROAR approved ESC must be in ‘blinky’/non timing mode
• 2S Hardshell LiPo Battery. Max 6,500mah. Max 8.44 volts.
• Battery must remain in stock centered location (No offset to the side)
• Rear or Mid Motor
• Must have a multi-gear transmission
• Must use commercially available stadium truck suspension arms that are non-adjustable.
• After market chassis ok.
• After market towers ok.
• Short or long shocks ok.
• Internal limiters, pistons, springs and oil changes allowed.
• Rear Toe must be the same on both sides.
• Side Dam – Length; rear of cab to rear spoiler. Height; top of cab to tip of spoiler.
• Tires & Wheels: Rubber tires only. 2.2” Stadium Truck tires and wheels. (Buggy 2.2” rear wheel ok on all 4 corners with buggy rear tires). No buggy front tires/wheels.

Box stock Losi 22S sprint car

• Stock esc
• Stock motor
• Any Transmitter/Receiver can be used
• Any 2s hardcase LiPo battery, 6,500mah Max. Max 8.44 volts.
• Stock servo
• Stock tires
• Stock shocks and springs
• Stock spur (84t)
• 22 Tooth Pinion
• May change battery plug
• May change shock or diff oil
• No Lexan bodies or wings
• Stock plastic body only
• Wheel dots ok
• Custom body wraps ok

Traxxas Modified

• Car is to be raced as is, out of the box, with the following exceptions
• May change Transmitter/Receiver and Servo
• Stock shocks, springs ,tires, etc must be run
• May use any weight diff oil or shock oil
• Any 2s hardcase LiPo battery, 6,500mah max. Max 8.44 volts.
• May change battery connector
• Stock esc and motor
• Stock gearing

Mini B sprint car

Updated rules

• Losi mini B chassis
• Any aftermarket sprint car cage and body, (Hackfab etc)
• Any 2s hardcase LiPo battery, 6,500mah max. Max 8.44 volts.
• Any 6000kv motor / esc combo or less
• Carbon fibre chassis or stock ok
• Open rubber tire

Open Short Course Late Model (Super Late Model)

• Short Course Late Model Bodies only (MRKustoms, Shark Rc bodies Ect..)
• Any ROAR approved sensored motor
• Any ROAR approved esc open timing
• Any ROAR approved 2s hardcase LiPo battery, 6,500 mah max, shorty ok
• Chassis is open to any manufacture of 2wd 1/10th scale short course trucks (Team Associated, TLR, LOSI, Traxxas ect….)
• Custom Chassis are allowed (Belfab, Xtreme, ECT…) Maximum chassis width 7’’ Minimum Chassis width 5- 1/8’’.. Maximum left side chassis can extend from centerline is 3 ½’’.. right side must be a minimum of 2 ¼’’ from centerline to outside edge of chassis. Any Material may be used aluminum, carbon, Plastics Ect….
• All Suspension components, transmission front and rear bulkheads and battery must be on the centerline of vehicle.
• Maximum wheelbase 13 ¼’’ Minium wheelbase 12 ¾’’
• Maximum Track width 11 ¾’’ Minimum track width 11’’
• Standard Over the counter short course wheels and rubber tires 2.2’’ / 3.0’’ (DE Outlaw Sprint Rear Tires ok)
• Standard over the counter 1/10th scale surface electronics.
• Adjustable rear Suspension arms are allowed.
• Any over the counter 1/10th scale shocks may be used and must maintain travel in all 4 corners of the vehicle.
• Minimum weight to be determined
• Tires must not extend outside of body

Street Stock

• Buggy-based cars, TLR, Associated, Schumacher, Traxxas buggy, etc….
• No aftermarket chassis allowed
• Rear motor car or Mid-motor car
• Any 2s hardcase LiPo battery, 6,500mah max. Max 8.44 volts.
• Battery in stock location (No side offset)
• Any ROAR approved 17.5 brushless motor
• Any ROAR approved esc, must be in blinky mode
• Any street stock body sold by known manufacturer, no wedges or late model
• Windows cannot be cutout
• Must retain rear bumper on body (How far down from the deck lid??)
• 1 inch max rear spoiler, measure from the deck lid. Angle does not matter.
• No side dams or “end caps” on rear spoiler
• Adjustable arms are not allowed
• Tires must be inside of the body
• Open rubber tire

Modified Late Model

• Any 2wd 1/10 scale buggy size car. Can be out of the box buggy or aftermarket specific (GFRP/ Custom Works etc)
• Any 540 2 pole mod motor and esc.
• Any 2s hardcase LiPo Battery, 6,500mah max.
• Open rubber tire
• Any mass produced late model body available to the public from a known manufacturer. (R.D. discretion)
• No minimum weight

Traxxas SUPER STOCK:

• “BOX STOCK” Traxxas 2wd Slash chassis or LCG chassis Only.
• Body • Any full body stock car made for Traxxas slash or SCT Only. (ex: Shark /McAllister ,Jconcepts) Most drag sct bodies will work.
• Spoiler: No more than 1 1/2″ from deck lid. Angle does not matter.
• Absolutely No Decking, All windows must remain intact.
• ONLY RPM durability upgrades are allowed. Front caster blocks part #80712, front bearing carriers part #80372 and rear bearing carriers/hubs part #80382.
• Transmission case must remain stock. NO plastic internal gears. NO RPM TRANSMISSION CASES
• Transmission functionality rule, motor cannot spin while turning slowly one rear wheel a full turn.
• 83, 86 and 90t spur gear allowed.
• pinion gear may only be 16t-20t ONLY.
• Electronics: ONLY “BOX STOCK” Traxxas 2wd Slash OEM electronics may be used(however you may change receiver to accommodate your Radio) Traxxas XL-5 ESC part #3018R, :
• Traxxas Titan 12T 550 brushed motor part #3785 and Traxxas stock 2075 steering servo. Any Servo arm or servo saver ok.
• Any 2S hardcase LiPo battery that is 6,500mah maximum Battery must remain is stock centered location.

Adjustments:

• Items you may adjust: Camber, front toe, ride height, shock oil, pistons, shock limiting, shock preload, factory shock locations and battery location front to rear. Arms must remain stock and in stock position.

: NO ADJUSTABLE REAR ARMS.

• There is no weight rule. Additional weight CANNOT be added!

Suspension:

• Traxxas aluminum shock caps are allowed. • Stock Traxxas 2wd Slash shocks must be used (grey or black versions both allowed). Front bodies and shafts stay in front and rear bodies and shafts stay in rear stock location front on front and rear on rear.
• Only Traxxas 2wd Slash springs may be used, original white or pink. Front spring part #5857/P and rear spring part #5858/P.

*Tires & Wheels: SC open

Pro moto rules

Mod pro moto

• 2s LiPo battery

Box Stock pro moto

• 2s LiPo battery only,
• No scoop/paddle tire
• Suggested tire, Hole Shot rear

Rookie class

• Intended for 1st time drivers
• Run what ya brung 1/10 scale cars only, no nitro
• Any 2s hardcase LiPo battery up to 6500 mah
• After 3 A main wins , moved to appropriate class that car fits

CRA-USAC Non Wing Sprintcar rules

• Speed Controller – Hobbywing Justock

speed controller # 30112003 or newest version #30112005

• Motor – Hobbywing 13.5T Fixed Timing #30408010

Spec tire:

• REAR TIRES…DE Racing Outlaw Sprint
• FRONT TIRES DE Racing G6T, Outlaw or Regulator
• No aero devices ..wings.. bulkheads etc
• Any 2s Hardcase lipo battery, 6,500mah max, 8.44 Max
• Must adhere to 13.5 Sprint Car dimension (No midgets)
• Scale appearing Visor can be mounted to downtubes at the top cage crossbar. No wider that down tubes and 1” max height.

• Club Racing Option: Losi Non Wing Sprint Car allowed
• REAR TIRES…DE Racing Outlaw Sprint
• FRONT TIRES DE Racing G6T, Outlaw or Regulator
• Stock Losi motor and esc or Hobbywing 13.5T Fixed Timing motor & Justock ESC combo as described above

Schedule

Thursday Jan 8th 

move in and pit set up 9am-8pm indoors and outdoor

Friday Jan 9
Practice all classes 9am-7pm (controlled when needed) Pro moto practice the 1st 10 minutes of every hour

Saturday Jan 10
qualifying 2 rounds and lower mains if time permits 9am start

Sunday Jan 11
mains (5 minute mains all classes) and trophy presentation 9am start