SSRC RULES & REGULATIONS 2026   For Friday rules & regs, click here.

HOME    RULES & REGS    CALENDARS    RESULTS    GEAR RATIOS    NINCO WORLD CUP    HISTORY    TRACK BUILD    CLUB CARS

Classic Sports / Prototypes / Can-Am

Pre-67 front engine GT/Sports cars

Early Bird F.1

1961 - 1989 F.1

Scratchbuilt Saloons

1/24th Small Saloons

NSR F.1

Modified Nascar

Modified GT

Slot-It group C

Racer Sideways Group 5

Club Class

Car models allowed

A: Slot.It Classic: Alfa Romeo T.33, Ferrari 312PB, Ford GT40, Chaparral 2E, Matra 670, McLaren. Policar Classic - Ferrari 330P4, 412P and 312PB. B: N.S.R. ClassicFord - P.68, G.T. Mk.I, Mk.II, Mk.IV; Porsche - 908/3, 917, 917.K, 917/10K, Lola T.280/290. NSR Reparto Corsa cars not allowed C: Thunderslot D: Fly Classic: Ferrari 512, Ford GT40, Porsche 917 or 908, Chevron, Lola T.70. E: Other - Any classis Sports/Prototype or Can-Am pre-75 body fitted with any unmodified chassis from all Groups A, B, C, and D.

CSCRA Sports Car Regs - Any sports car, pre 1967. CSCRA categories - Sp.1b, Sp.2, Sp.3 and Sp.4. (Sp.4 front-engined only) Please read CSCRA rules for full regulations.

Any GP, F.1 or Indy car up to 1960. No stripped sports cars or voiturettes. To reasonable scale +/- 1.5mm. No widened bodies. Must have minimum 2mm ground clearance.

A: - Any F.1 car from 1961 to 1989 inclusive. No Indy cars. To reasonable scale   + / - 1.5mm. Must have minimum 1mm ground clearance. No widened bodies. B: - Policar F.1 cars.

Small - Any under 2 litre 4 seater European, Jap or American saloon car pre 1988 including hatchbacks and coupe derivatives. Max width 58mm. Large - Any over 2 litre 4 seater European, Jap or American saloon car pre 1988 including hatchbacks and coupe derivatives. Max width 64mm.

A: George Turner 1/24th Mk.1 Minis B: Any 1/24th scale pre 1975 saloon car, never produced with an engine over 2 litres and no wider than 74mm (the width of a BRM Escort.)

Any N.S.R. F.1

A: Any Nascar post 1972, must have raced in Nascar and be decorated in race colours. Must contain an interior and driver and can only be modified to allow body posts to be fitted/moved. B Vintage - Any NASCAR pre-1972 - otherwise as above.

Any GT, LMP or Hypercar from 1980 onwards. Must contain an interior and driver. Can only be modified to allow body posts to be fitted/moved.

Any standard production Slot.It group C.

Any Racer Sideways Group 5 car, including Ferrari 512BB LM/NART.

Club Cars as provided.

Body

A: Standard B: Standard C: Standard D: Standard E: Must contain full interior and driver. Can only be modified to allow body posts to be fitted/moved.

As CSCRA rules.

Any hard body.

Any hard body. No Scaleauto or NSR bodyshells. B: - Standard.

Any hard body.

G. Turner vac form or resin, Barry moulded plastic version. Betta & Classic 72 Mini body. John Dilworth Mini Sprint bodies. An interior is not mandatory if windows are blacked out but must be included if windows are clear. B:Bodies can be Plastic, Resin or Vac Formed and must have an interior and driver.

Standard as supplied.

Any Nascar hard body in 1/32nd scale. No vacuum formed bodies.

Hard bodies only.

Standard and unmodified - (repaints are allowed)

Standard and unmodified - (repaints are allowed)

Chassis

A: Standard B: Standard C: Standard D: If running RTR car, original chassis must be used unmodified. Sidewinder 3D printed chassis allowed. E: Chassis must be used unmodified, with minor changes only for mounting the body. No 3D printed chassis allowed.

As CSCRA rules, but motors must be in-line.

Any, in-line only. No full-width brass pans on cars like Lancia Ferrari D.50. No streamliners.

(A) Any 3D printed, scratchbuilt brass or Penelope Pitlane chassis. Or, Policar F.1 chassis with 3D or other plastic front end. (No Scaleauto or NSR chassis allowed.) (B) Standard as supplied.

Any in-line chassis.

Any chassis.

Standard as supplied.

Any. Must be in-line.

Any plastic chassis including Slot-It.

Any Slot-It chassis. Must be in-line and totally unmodified. No HRS chassis

Standard and unmodified. (chassis pod etc can be glued.)

Motor

A: Standard as supplied. B: Standard or later NSR 21.5k motor. C: Standard as supplied D: Standard or Slot.It 23k motor.

As CSCRA rules but MAX 25k.

Any

Any.

Any 25,000 from an approved source.

A: Any 25K small can motor from agreed sources. Can be drilled to fit Mack chassis if needed. Review during the year specific proposals for motors from other sources. B: Any 25.K short or long from agreed sources

Standard as supplied with car.

Any unmodified motor available from Pendles or Top Slot & Trains or any Hawk motor from AB Slots. .

Any unmodified motor available from Pendles or Top Slot & Trains

Any Slot-It.

Standard. Slot.It yellow can flat 6 can be used but must still have original motor wrapper intact

Gears

A: Standard, as supplied. B: Standard 11/32, Reparto Corsa 12/30 not allowed. C: Standard, as supplied. D: Standard. Slot.It or similar (11t or 12t pinion & 36t contrate)

As CSCRA rules

Any

A: Any B: Any Policar F.1 gearset.

Any

Any

Standard, same size Slot.It can be used.

Any

Any

Any Slot-It.

Standard as supplied with car. Metal replacement of same size can be used.

Axle Rear

A: Standard, as supplied. B: Standard as supplied. C: Standard as supplied. D:Standard Slot.It or similar. Spacers allowed.

As CSCRA rules.

Any

A: Any B: Standard, as supplied.

Any

Any

Standard - must have some play.

Any

Any

Any Slot-It.

Standard as supplied with car.

Axle Front

A: Standard. B: Standard. C: Standard. D:Standard Slot.It or similar.

As CSCRA rules.

Any

A: Any B: Standard.

Any

Any

Standard - as supplied.

Any

Any

Any Slot-It.

Standard as supplied with car.

Bearings

A: Standard B: Standard C: Standard D:Standard Slot-It or similar.

As CSCRA rules.

Any

A: Any B: Standard, as supplied.

Any

Any

Standard

Any

Any

Any Slot-It.

Standard as supplied with car.

Wheels

A: Standard, as supplied - must not show outside the body when seen from above. B: Standard, as supplied - must not show outside the body when seen from above. C: Standard, as supplied - must not show outside the body when seen from above. D: Alloy wheels, as close to original size as possible. Standard Fly wheels can be used. Must not show outside the body when seen from above.

As CSCRA rules.

Any, but must be scale with the original full size car. See sizes below.

A: Any, but must be scale with the original full size car. B: Standard or Policar alloy wheels.

Any, must be scale with the original full-size car

Slot-It group C size. B: Any as near scale as possible - 17mm diameter.

Standard, as supplied.

Any, must not overhang the body by more than 1mm each side.

Any, must not show outside the body when seen from above.

Any Slot-It except the 15 and 14.3mm diameter range. Must not show outside the body when seen from above.

Standard as supplied with car.

Tyres

A: Any Slot.It or NSR same size as standard tyre. Must not show outside the body when seen from above. Zero grip fronts allowed. B: Rear, any NSR but must be the same size as the Standard tyres. Note: only the 917/10 to use 20 x 12.5 tyre. Must not show outside the body when seen from above. Zero grip fronts allowed. C: Any Thunderslot, Slot.It or NSR same size as standard tyre. Must not show outside the body when seen from above. Zero grip fronts allowed. D: Any rubber tyres to be used. Rear wheel and tyre must be similar size to original Fly car. For guidance, rubber tyre width max 12, min 10 & diameter max 21, min 19.5. Ortmann #43 tyre can be used.

As CSCRA rules.

Any rubber or Ortmann. Up to 1951 - rear min dia 24mm; front 21.5mm Max width 7mm 1952-1960 - rear min dia 21.5mm; front min dia 19mm Max width 7.5mm

A: Any rubber but must be scale with the original full-size car. (Max and min dimensions may be added if necessary.) B: Standard or Policar F.22 tyres.

Any rubber or Ortmann. Small saloon - min. dia. 13mm front and rear. Max contact patch 9mm. Min ground clearance 1mm. Large saloon - min. dia. 15mm front and rear. Max contact patch - 9mm Ground clearance 1mm.

A: Any rubber tyre, max width 10mm. Maximum width from tyre outer to tyre outer (both front and rear) 65mm. B: B: Any as near scale as possible - 21mm diameter.

Front -Standard as supplied. Rear - Any NSR 19.5 x 13 only

Any rubber, no foam or silicone. Must not overhang the body by more than 1mm each side. Maximum tyre width 10mm.

Any rubber, no foam or silicone. Must not show outside the body when seen from above.

Any rubber tyre, max width 10mm. Any Slot.It front except SIPT.19. Must not show outside the body when seen from above.

Any rubber tyre, max width 10mm.

Guide

Any. Must not protrude beyond front of car. Must not be seen when viewed from above.

As CSCRA rules.

Any. Must not protrude past front of car. Must not be seen when viewed from above.

Any. Must not protrude past front of car. Must not be seen when viewed from above.

Any. Must not protrude past front of car. Must not be seen when viewed from above.

Any. Must not protrude past front of car. Must not be seen when viewed from above.

Any NSR or Slot.It.

Any. Must not protrude past front of car. Must not be seen when viewed from above.

Any. Must not protrude past front of car. Must not be seen when viewed from above.

Any Slot-It

Standard as supplied with car. Braids can be changed.

Weight

Yes - see note E

Yes - see note E

Yes - see note E

Yes - see note E

Yes - see note E.

Yes - see note E

Yes - see note E

Yes - see note E

Yes - see note E

Yes - see note E

Yes - see note E

Voltage

13.0v

13.0v

13.0v

13.0v

13.0v

13.0v

13.0v

13.0v

13.0v

13.0v

13.0v

13.0v

Format Race Length

Endurance - 4 mins.

Endurance - 3 mins.

Endurance - 3 mins.

Endurance - 3 mins.

Endurance 3 mins.

Endurance - 3 mins.

Endurance - 3 mins.

Endurance - 4 mins.

Endurance - 4 mins.

Endurance - 4 mins

Endurance - 4/5/6 mins Time decided on the night.

Endurance - 4 mins

GENERAL RULES

A) The above list contains the only acceptable changes, anything else is NOT acceptable. If in doubt, please ask before racing the car.

B) Motors can be any allowable motor listed by Pendles, or any specified motor listed on the alternative motor sources page. (Page being developed and will be published ASAP.) New versions of motors, tyres, cars, chassis, etc, launched during the season will be allowed mid-season, only after consultation with all attending club members.

C) The only cleaning products allowed for tyres is sticky tape. Lighter fluid can be used to clean braids but NOT tyres.Tyre treatment using 3 in1 or similar oil allowed but not on club premises - tyres must be dry.

D) Please note that all RTR slot cars have play in the front/rear axles, bearings, gears, guide. We expect your cars to display the same characteristics.

E) All classes allow weight to be added but must be Lead or Bluetack only, must not be visible from above

F) To allow everybody to have a turn, practice session will be a maximum of 3 minutes duration.

G) Scrutineering will take place on a RANDOM basis across all race nights. Scrutineers are: Mark, Alan, Joel, John, Noel and Race Controller.

H) In classes which use a standard unmodified chassis but allow any guide, the guide must be fitted without any modification to the chassis.

I) All motors in all classes are unmodified and MUST NOT have been opened.

J) All motors in all classes where there is no wrapper or no identification marker it must have the brand and revs scratched into the can surface in a legible manner. The motor can then be scrutineered against this declared rpm.

K) The word STANDARD used above means STANDARD AS ORIGINALLY SUPPLIED with the car being raced.

L) Any rubber tyre means any rubber tyre listed on Pendle's website but does not have to be purchased from Pendle's.

M) In all classes, any braid can be used.

N) All classes will run on 13.0 volts.

O) Adopt Race Co-ordinator auto segments and drop 1/36th segments, change to percentage of lap, adjusted to 100th of a lap, 2 decimal places.