Appendix 9- Competitors Regulations including Licensing
5.3. For Endurance Road and Targa Road Rallies rally plates must be displayed at the front or rear of the Vehicle and 2 x numbers for each rear side window which shall be 15cm high with a stroke width of at least 15mm coloured orange or yellow and may be reflective. These numbers shall be in place at the top of the rear side windows( or equivalent space on two-seater Vehicles).
Appendix 15- Technical Regulations- Road, Endurance and Historic Road Rally Cars
14. Miscellaneous
14.1. Vehicles must not use racing style numbers nor carry advertising other than event sponsor decals. Permitted Fuel must be used as defined in Ch. 1 App. 1( Nomenclature and Definitions).
14.2. Vehicles must use Permitted Fuel as defined in Ch. 8 App. 1 Art. 1.7 a, c, or d.
14.3. Historic Road Rally Cars complying with Art. 9.2 above are exempt from the requirement of Art. 2.7. a, provided Event Scrutineers are satisfied that any such installation does not adversely affect the safety of the Vehicle.
PART A- ROAD RALLY CARS 1. General
1.1. The Vehicle must be currently registered and taxed as a Private Car and comply with all statutory regulations as to the Construction and Use regulations( especially regarding brakes, lighting, tyres, warning devices, rear view mirrors, silencers, speedometers, wings, and windscreens).
2. Body
2.7. The trim including the rear seat may be cut to allow the fitting of a safety cage. If a Roll Over Protection System( ROPS) is fitted:
a. All aspects of the design and installation should be in compliance with Ch. 7 App. 3. b. Trim including the rear seat may be cut to allow the ROPS to be fitted. c.
Padding must be fitted to any part of the ROPS which the Driver or Navigator’ s bodies or heads could come into contact with.
3. |
Engines and Transmissions |
3.1. |
All Vehicle engines must have: |
a. |
A maximum of four cylinders. |
b. |
A maximum displacement of 2100cc. |
c. |
A cylinder block of the same material and configuration as the original. |
d. |
Appropriate means by which to be sealed in accordance with Ch. 7 App. 12 Art. 1.9. |
3.2. |
Engines with one camshaft per bank of cylinders may be used providing that: |
a. |
They have a maximum of two carburettor chokes( two single or one double). |
b.
Fuel injection may be fitted where it was standard equipment by the manufacturer for that engine type and where the original inlet manifold and throttle body are retained unmodified for that engine type.
3.3. Engines with more than one camshaft per bank of cylinders may be used providing that:
Motorsport UK National Competition Rules 2026 Edition 5
Chapter 22 Appendix 13 – Rally( Chapter 13) 824