Mini Z Track
Small Addictions RC Mini Z Racing
Every Thursday we set up our Mini Z track to use from 10am until 6:30pm
Organized racing starts at 4pm
The Mini Z track fee is $5 per person
Current Rules:
28SRA Rules/Classes Mini Z Racing
Box Stock
BOX STOCK CLASS REGULATIONS
DRIVER RESTRICTIONS
- Lipo 3500, 2wd Mod, AWD Mod, Lipo 2500 Pan, or Open Pan drivers are not permitted in Box Stock class.
CHASSIS
- Allowed: Kyosho MR03S, MR03S2, MR03 RTR, MR04 RWD, Associated SR27 (RWD only)
- Not Allowed: Shaving chassis or removing sections for weight reduction
- Chassis must be raced as manufactured from the box
WHEELBASE
- Only allowed wheelbases: RWD 90mm, 94mm, 98mm, and 102mm
MOTOR & ESC BOARD
- Kyosho MZ9P, MZ9E Motor from RWD RTR
- Permitted modifications:
- Changing motor wires with same or maximum (20) gauge wire
- Removing safety switch
- Motor must be run as manufactured with no other manipulations or modifications
- Not Permitted: EVO Board or other upgraded board
GEAR RATIO
- 6T - 9T Pinion (included with RTR kits)
- Stock Kyosho Gear Diff only
WHEELS
- All brand plastic and aluminum 1/28 scale production wheels allowed
- Size limitations:
- Maximum front-wheel width: 8.5mm (not including outer flange/disk)
- Maximum rear-wheel width: 11mm (not including outer flange/disk)
- Maximum wheel diameter: 20mm
- Minimum wheel diameter: 19mm
- Wheels must be original designs made for 1/28 scale cars
- Wheel and tire must fit inside the body
TIRES
- Maximum tire diameter (mounted): 25.5mm
- Front tires must be 8.5mm and rear tires 11mm
- Not Allowed:
- Traction compound on tire or race surface
- Tire warmers
- Homemade tires
- Foam tires
- Silicon tires
- Urethane tires
- Ethyl Carbonate tires
- Tire inserts
- Tires may be cleaned with 70% alcohol solution or water
- Using illegal tire cleaner will result in penalties
- Direct tire-related questions to the driver's meeting or race director
BATTERIES
- Cars must be powered by 4 AAA batteries
- Allowed types: Alkaline, Ni-MH, or Ni-Cd
- An additional battery is allowed only for transponder connection
ELECTRONICS & TRANSMITTER
- Stock Radio from RTR Kit
- Only Kyosho original items included in the RTR box are allowed
- No modifications to radio permitted
BODY
- Any manufactured molded hard shell that fits the allowed wheelbase
- All parts must be original for that body
- Limited wheel and ground clearance modifications allowed
- Size limitations:
- Maximum body length: 180mm
- Maximum width: 83mm
- Not Allowed:
- Shaving/thinning body material for weight reduction
- Lexan roofs, windows, and wings
- Headlight requirements:
- Original headlight covers must be installed
- Headlight buckets may be removed/omitted
- Lost headlight covers may be replaced with decal/tape
- Taillights and covers may be removed/omitted
- Small body parts (mirrors, canards, exhausts, front splitters) may be omitted to prevent racing damage
- Wings: Standard rear wings for corresponding hard-shell body may be used with no height limit
- Custom aftermarket plastic wings must meet 45mm height limit from ground
OPTION PARTS
- Allowed from any manufacturer: bearings, wheel nuts, springs, and T-Plates
- Only original Kyosho front and rear suspension parts may be used
- No added weight via tungsten, brass, or other materials
- MODIFICATIONS
- King pin flip allowed, lower pin must be shortened to no damage track