Racing Class Rules

Links To Rules:

Classic Plastic Rules Effective Date: 10/13/25

Supersedes all previously published rules

A. Race Format

  • Track Setup: 8 lanes
  • Timing: 2 minutes per lane
  • Breaks: 2-minute breaks between lanes
  • Starting Lane: Assigned at random

B. Chassis

Legal Chassis: H&R Inline #HRCH02 only
Permitted Modifications:

  1. Guide tongue reinforcement
  2. Front axle bushings (inboard or outboard; holes may not be enlarged)
  3. Single motor brace and front/rear axle upright braces
  4. Clips, pin tubes, screws for body mounting (No Velcro)
  5. Any guide, nut, spacers, lead wire, lead wire retainers, and clips
  6. Up to 2 holes (max. 3/8″ diameter) under motor bushings for oiling
  7. Lead weight and/or tape
  8. Soldering of chassis halves, motor, axle oilites, front wheel retainers, and allowed reinforcements

C. Body

Requirements:

  1. Injection-molded plastic only (NO Lexan), 1950 or later, 1/24 or 1/25 American hardtop
  2. Windshield and back glass must be installed
  3. Secure mounting with clips, pin tubes, screws (No Velcro)
  4. Body must fully cover chassis when viewed from above
  5. 3D interior with driver; chassis must not be visible through interior
  6. Car number must appear on roof and both sides
  7. Wheels must be reasonably centered in wheel wells (wells may be enlarged but not cut into top surfaces)
  8. Body may be lowered and lightened; front and rear bumpers must remain

D. Motor

Legal Motors: Any stock H&R motor up to the 50K rpm Crusher
Restrictions:

  • Any modification or tampering = disqualification
  • Motor shaft may be shortened

E. Gears

  • Only 48-pitch pinion and crown gears allowed
  • Gear ratios limited to 9/33 or 8/29

F. Wheels & Tires

  1. Only H&R or Pro Track front and rear wheels allowed (may be resized in width/diameter)
  2. Front and rear axles must be solid steel, minimum diameter 1/8″
  3. Independently rotating front wheels are allowed

G. Dimensions

  • Minimum Track Clearance (measured on tech block with all 4 wheels touching):
    • .015″ from front axle forward (including body)
    • .050″ from rear axle back (including body)
  • No parts may drag on the track
  • Minimum body thickness at center of roof: .030″
  • Maximum car width: 3.268″
  • Minimum front wheel diameter (with tire): .900″

Final Authority

**► The Proprietor’s decision on all rules is final.**braces 4. Clips, pin tubes, screws for body mounting (No Velcro) 5. Any guide, nut, spacers, lead wire, lead wire retainers, and clips 6. Up to 2 holes (max. 3/8″ diameter) under motor bushings for oiling 7. Lead weight and/or tape 8. Soldering of chassis halves, motor, axle oilites, front wheel retainers, and allowed reinforcements

Fantasy Raceway 1/32 Rules v2.2

🏁

For stock, plastic chassis, ready-to-run slot cars by designated manufacturers. No modifications unless explicitly allowed. In case of disputes, the Race Director’s interpretation will prevail.

⚙️ General Rules

  • Only stock and clearly identifiable motors may be used. Motors may be inspected at any time.
  • Cosmetic body parts (lights, antennae, mirrors) are optional.
  • Tires must be sponge rubber (Fish, Natural, Treated, Wonder, etc.) or urethane.
  • Silicone tires are not allowed.

✅ Permitted Modifications

You may:

  • Shorten the motor shaft
  • Press, glue, or solder pinions (gear swaps allowed across brands)
  • Repaint the car, change its number, and swap wheel inserts
  • Remove or retain traction magnets (track braid is nonmagnetic)
  • Glue, true, resize tires; coat fronts with nail polish or super glue
  • Replace press-on wheels with same-size setscrew wheels
  • Swap metal and plastic gears
  • Replace screws with similar-sized alternatives
  • Adjust front axle or body height using manufacturer-provided screw holes
  • Add tape or securely attached weight inside the chassis
  • Secure bushings, lead wires, etc.
  • Repair/replace stripped or broken body posts (no body lowering)
  • Add/remove washers or spacers on guide, axles, or body screws
  • Replace clip-in guide with 1/32 screw-top guide; use any lead wire and braid
  • Use suspensions

🏎️ GT Class Rules

❌ NSR Mosler is NOT legal for GT class.

  • Applies to GT or Sedan models
  • Standard: Sidewinder NSR GT with:
    • Mabuchi-type S-Can motor (max 25,000 rpm)
    • 11-tooth pinion
    • 32-tooth spur gear
    • Sidewinder drive

🚀 LMP Class Rules

✅ NSR Mosler IS legal for LMP class.

  • Applies to non-GT cars (Can Ams, Prototypes, Hypercars, etc.) from 1965–present
    Examples: Ford GT40, Lola T70, McLaren M6, Porsche 963, Audi R18, Ferrari 512
  • Open-wheel cars are not allowed

Allowed Motors

  • Slot.it long can Flat 6 (yellow label)
  • Slot.it S-can V12/3 or V12/4 (orange or white endbell)
  • NSR S-can Shark 22 (22,400 rpm) or Shark 25 (25,000 rpm)

Chassis & Drive

  • Inline, anglewinder, or sidewinder drive
  • Any gear ratio
  • OEM chassis/pod or 3D-printed chassis designed for the entered car

🔍 Technical Inspection

  • Chassis clearance: ≥ .032″ (including tape); gear clearance: ≥ .015″
  • Car must comply with all general and class rules (class rules take precedence)
  • No moving parts may extend beyond the fender when viewed from above (wheel inserts excepted)
  • Faults may be corrected and re-teched if time allows
  • Cars failing tech may race at the Race Director’s discretion but won’t count toward results or records

🕹️ Race Procedures

  • Cars entered into race control system; lanes assigned randomly
  • Lap counter is final unless proven otherwise
  • Winner: most laps and sections completed in allotted time

Race Formats

Depending on entries and marshal availability:

Format Lanes Time per Lane Total Time
A 4 middle lanes 3 min 12 min
B 4 high lanes 3 min 12 min
C 4 low lanes 3 min 12 min
D 6 middle lanes 2 min 12 min
  • 3 minutes allowed between lanes for service/lane change
  • Cars leaving for sit-out/service must be marked and returned to that spot
  • In case of tie, final stop point is the tiebreaker

Track Calls

Made for:

  • Braid defects
  • Debris
  • Riders (car on wrong lane)
  • Lap counter failure
  • Lane power loss
  • Unreachable cars
  • Unfair conditions (e.g., lack of marshals)

Marshaling & Conduct

  • Drivers must marshal when not racing (or provide a capable substitute)
  • Failure to marshal: 10-lap penalty per incident
  • Race Director resolves all computer/rules questions
  • Special events may follow different procedures

📐 “The Diagram”

  • Line of sight
  • Body width limit
  • 90-degree reference

 

Retro Flex Racing Rules

Indy Car Racing Rules

 

WOMP Rules Effective Date: 10/13/25

 

Drag Racing Rules

 

Asphalt Modified Racing