Only the chassis supplied by Rolls-Royce Limited shall be considered.
Emphasis shall be given to the parts (including mechanical wear and cleanliness) shall not be considered unless it is such that correct assessment of the condition of the parts as originally fitted is made difficult.
An entry form shall be lodged prior to judging giving the chassis, engine and registration numbers, the model, the claimed date of manufacture (evidence may be submitted if desired), and details of all known departures from the original specification.
The scores of the top three cars shall be evaluated fully, and of all other entrants at least until the score of each is lower than that of the car in third place.
The decision of the Chief Judge shall be final.
| COMPONENT | PENALTY |
|---|---|
| Radiator | Disqualification |
| Engine | Disqualification |
| Gear-Box | Disqualification |
| Rear Axle Assembly | Disqualification |
| Front axle Assembly | Disqualification |
| Carburettor | 40 points |
| Exhaust System | 40 points |
| Starter Motor | 40 points |
| Generator | 40 points |
| Radiator Core | 40 points |
| Wheels, rims, tyres (per complete set) | 40 points |
| Ignition coil | 20 points |
| Steering Wheel | 20 points |
| Lubricators and caps (per complete set) | 20 points |
| Undersheets | 20 points |
| Leaf Spring (Each) | 10 points |
| Spring Gaiters | 10 points |
| Instrument (each) | 10 points |
| Shock Absorber (each) | 10 points |
| Complete absence of a component | 100% of full penalty |
| Replacement by wholly unsuitable component | 100% of full penalty |
| Addition of Component | 50% of full penalty |
| Incorrect finish (paint, plating, etc.) | 25% of full penalty |
| Replacement by genuine modified part | 25% of full penalty |
| Replacement by non-genuine part to original specification | 25% of full penalty |
| Replacement by genuine part to original specification | 0% of full penalty |
| Winner one year ago | 50 points |
| Winner two years ago | 20 points |
| Winner three years ago | 10 points |