

| Bezeichnung/description | Griffiths 9 supercharged Special |
| Jahrgang/year | 1930/1939 |
| Kennzeichen/registration | GJ1831 |
| Chassis-Basis/chassis base | Riley Monaco (std. wheelbase) |
| Chassisnummer/chassisnumber | n/a |
| Chassisjahrgang/year chassis | 1930 |
| Motortyp/engine typ | RILEY '9' special series ZOLLER Supercharger, fitted with advice from J.GRANVILLE GRENFELL. This 'blower' previously fitted to a fast LAGONDA RAPIER, which was damaged by bombing during the early part of WW2. McEvoy metering-pump. Manifold pressure : 4lb. Compression ratio 6.3:1. Fitted with 4-branch exhaust system. |
| Motornummer/engine number |
n/a
|
| Motorjahrgang/year engine | 1934 |
| Bodyhersteller/bodymanufacturer | J.A. Griffiths, Claygate, Surrey |
| Rennhistory/racing history | road car - WW2 |
| Information |
Riley 'Gamecock' radiator
Steering column lengthened 12 inches Weight 16cwt (ca.770kg) |