Class Rules

This is a summary of class rules followed at Rose City Speedway. Individual, special events may use a variation of these rules. Not all rules are listed here. These are just the basics.

Anchor 1

On-Road

1/12 Stock

8 Minute Qalifiers & Mains
3mm Ride Height
Spec Tire = Stripe Spec Foam 1/12 Tire
1/12 Scale 2wd Pan Car / Solid rear axle chassis
Can-Am, GTP, WSC body styles only
730g min. weight
1 cell ROAR approved battery only
4.20 volts Maximum
17.5 ROAR approved brushless motor
ESC ROAR approved and in "blinky" mode only

GT12

5 minute Qualifiers & Mains
3mm Ride Height+
Tire = Open Rubber Tire that meets ROAR specs
1/12 Scale 2wd Pan Car / Solid rear axle chassis
GT style bodies only. No prototypes
750g min. weight
1 cell ROAR approved battery only
4.20 volts Maximum
Gravity RC USGT Spec Motor only. It must meet the USGT motor specs.
ESC ROAR approved and in "blinky" mode only

Touring Pure Stock

5 minute Qualifiers & Mains
5mm Ride Height+
Tire = Gravity RC TC Spec Rubber Tire Only
1/10 Scale 4wd 190mm Touring Car chassis
ROAR approved Touring Car bodies only
1320g min. weight
2 cell ROAR approved battery only
8.40 volts Maximum
25.5 ROAR approved brushless motor
ESC ROAR approved and in "blinky" mode only

USGT

5 minute Qualifiers & Mains
5mm Ride Height+
Tire = Gravity RC p/n GRC123 (GRAY wheels) Only.
1/10 Scale 4wd 190mm Touring Car chassis
USGT Approved GT style bodies only
1350g min. weight
2 cell ROAR approved battery only
8.40 volts Maximum
Gravity RC USGT Spec Motor Only
ESC ROAR approved and in "blinky" mode only

1/12 Super Stock

8 minute Qualifiers & Mains
3mm Ride Height+
Tire = Open Foam 1/12 Tire
1/12 Scale 2wd Pan Car / Solid rear axle chassis
Can-Am, GTP, WSC body styles only
730g min. weight
1 cell ROAR approved battery only
4.20 volts Maximum
13.5 ROAR approved brushless motor
ESC ROAR approved and in "blinky" mode only

World GT-R

5 minute Qualifiers & Mains
5mm Ride Height+
Tire = CRC WGT-R Rubber Tire Only
1/10 Scale 2wd Pan Car / Solid rear axle chassis
GT Style bodies that meet WGT-R rules
1025g min. weight
1 cell ROAR approved battery only
4.20 volts Maximum
17.5 ROAR approved brushless motor
ESC ROAR approved and in "blinky" mode only

Touring Stock

5 minute Qualifiers & Mains
5mm Ride Height+
Tire = Gravity RC TC Spec Rubber Tire Only
1/10 Scale 4wd 190mm Touring Car chassis
ROAR approved Touring Car bodies only
1320g min. weight
2 cell ROAR approved battery only
8.40 volts Maximum
21.5 ROAR approved brushless motor
ESC ROAR approved and in "blinky" mode only

USVTA

5 minute Qualifiers & Mains
5mm Ride Height+
Tire = Gravity RC or Protoform USVTA tires only
1/10 Scale 4wd 190mm Touring Car chassis
USVTA approved bodies only
1400g min. weight
2 cell ROAR approved battery only
8.40 volts Maximum
Gravity RC Spec USVTA motor only (we're in a grace period allowing the current ROAR approved 25.5 motors)
ESC ROAR approved and in "blinky" mode only

1/12 Modified

8 minute Qualifiers & Mains
3mm Ride Height+
Tire = Open Foam 1/12 Tire
1/12 Scale 2wd Pan Car / Solid rear axle chassis
Can-Am, GTP, WSC body styles only
730g min. weight
1 cell ROAR approved battery only
4.20 volts Maximum
Open Modified Motor
Open ESC

Formula 1

5 minute Qualifiers & Mains
4mm Ride Height+
Tire = Open Rubber 1/10 F1 Tires only
1/10 Scale 2wd Pan Car / Solid rear axle chassis
Formula 1 Style Bodies Only
1050g min. weight
2 cell ROAR approved battery only
8.40 volts Maximum
25.5 ROAR approved brushless motor
ESC ROAR approved and in "blinky" mode only

Touring Modified

5 minute Qualifiers & Mains
5mm Ride Height+
Tire = Gravity RC TC Spec Rubber Tire Only
1/10 Scale 4wd 190mm Touring Car chassis
ROAR approved Touring Car bodies only
1320g min. weight
2 cell ROAR approved battery only
8.40 volts Maximum
21.5 ROAR approved brushless motor
ESC ROAR approved and in "blinky" mode only

1/12 Losi NASCAR

5 minute Qualifiers & Mains
Tire = Losi 1/12 NASCAR Rubber Tires Only. Gluing of Sidewalls is permitted
Chassis, Suspension, Driveline is to be used as it came in the box. No upgrades or modifications
Shock internal fluids are permitted to be changed
Front & Rear differentials must work as an open differential. Locked diffs or spools are NOT permitted.
Losi 1/12 Scale NASCAR bodies Only
Original, Unmodified Kit Weight is Minimum
2 cell LiPo battery that fits the unmodified chassis
8.4 volts Maximum
Kit Brushed Motor Only
Kit ESC Only

Anchor 2

Off-Road

2wd Buggy

4 Minute Qalifiers
6 Minute Mains
Rubber Slick Tires Only (natural slicks only)
1/10 Scale 2wd Buggy Chassis Only
ROAR 2wd Buggy Bodies Only
2 cell ROAR approved battery only
8.4 volts Maximum
Open Motor
Open ESC

2wd Short Course

4 Minute Qalifiers
6 Minute Mains
Rubber Slick Tires Only (natural slicks only)
1/10 Scale Short Course Chassis Only
ROAR 2wd Short Course bodies only
2 cell ROAR approved battery only
8.4 volts Maximum
Open Motor
Open ESC

4wd Buggy

4 Minute Qalifiers
6 Minute Mains
Rubber Slick Tires Only (natural slicks only)
1/10 Scale 4wd Buggy Chassis Only
ROAR 4wd Buggy Bodies Only
2 cell ROAR approved battery only
8.4 volts Maximum
Open Motor
Open ESC

2wd Stadium Truck

4 Minute Qalifiers
6 Minute Mains
Rubber Slick Tires Only (natural slicks only)
1/10 Scale 2wd Stadium Trucks Only
ROAR 2wd Stadium Truck Bodies Only
2 cell ROAR approved battery only
8.4 volts Maximum
Open Motor
Open ESC

Anchor 3

Oval

Slash Modified

5 Minute Qalifiers
5 Minute Mains
Tire = Jaco Foam
Traxxas Slash Modified chassis only
Traxxas Slash Modified bodies only
2 cell ROAR approved battery only
8.40 volts Maximum

1/12 Losi NASCAR

5 Minute Qalifiers
5 Minute Mains
Tire = Losi 1/12 NASCAR Rubber Tires Only. Gluing of Sidewalls is permitted
Chassis, Suspension, Driveline is to be used as it came in the box. No upgrades or modifications with the exception of all metal open diffs.
Shock internal fluids are permitted to be changed
Front & Rear differentials must work as an open differential. Locked diffs or spools are NOT permitted.
Losi 1/12 Scale NASCAR bodies Only
No Cutting of chassis or parts to reduce weight
2 cell LiPo battery that fits the unmodified chassis
8.4 volts Maximum
Kit Brushed Motor Only
Kit ESC Only

MUDBoss Small Block

5 Minute Qalifiers
5 Minute Mains
TRAXXAS 12t brushed motor
TRAXXAS BL-2S combo brushless system
ROAR approved ESC in BLINKY mode only
Tire = Jaco Foam
TRAXXAS Low CG chassis is allowed
Salvas MUDboss body
2 cell battery with Max 5200mAh / 50C / 350sgram Max
8.40 volts Maximum

U.S. Vintage Trans-Am

5 Minute Qalifiers
5 Minute Mains
5mm Ride Height+
Tire = Gravity RC or Protoform USVTA tires only
1/10 Scale 4wd 190mm Touring Car chassis
USVTA approved bodies only
1400g min. weight
2 cell ROAR approved battery only
8.40 volts Maximum
Gravity RC Spec USVTA motor only (we're in a grace period allowing the current ROAR approved 25.5 motors)
ESC ROAR approved and in "blinky" mode only

MUDBoss Big Block

5 Minute Qalifiers
5 Minute Mains
ROAR legal 13.5 sensored brushless motor
ROAR approved ESC in BLINKY mode only
Tire = Jaco Foam
TRAXXAS Low CG chassis is allowed
Salvas MUDboss body
2 cell battery with Max 5200mAh / 50C / 350sgram Max
8.40 volts Maximum

1/10 Super Stock

5 Minute Qalifiers
5 Minute Mains
5mm Ride Height
1/10 200mm Pan Car Chassis
Foam Pan Car Tires
Bodies must resemble NASCAR-type stock cars
1 cell ROAR approved battery only
4.20 volts Maximum
ROAR approved 13.5 motors
ESC ROAR approved and in "blinky" mode only