From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Table detailing modifications made to specific customer B-V cars.
| Identifier | ExFiles\Box 89\5\ scan0218 | |
| Date | 28th March 1941 | |
| MODIFICATIONS TO CUSTOMERS B-V CARS. Rm{William Robotham - Chief Engineer}/Clm.{D. D. Clapham}5/ST.28.3.41 - 3 - Section | Modification Details | Mr.Lappin B-22-AW | E.SALES B-20-AW | J.Barclay | Mr. Breedon B-18-AW | Capt.Barnato B-16-AW | Mr.Devereux B-24-AW --- | --- | --- | --- | --- | --- | --- | --- BRAKES | Increased clearance of pins in levers and levers in jaws. Chromium plating of pins and servo plate levers. Servo water seals. Tape round servo. | No | Yes | No | Yes | Yes | Yes FRONT SPRINGS | Packing to raise car. Stiffener on outside of bump buffer stop. | No Hard bump buffers | Yes | Yes | Yes | Yes | Yes CLUTCH | Set pedal to 1/4" of free movement. | No | Yes | No | Yes | Yes | Yes PROP-SHAFT | Balance with jubilee Clip. | New | New | New | New | New | Yes ELECTRICAL | Refit main battery lead inside frame and modify entry of cable into starter of main switch. | No | Yes | No | Yes | Yes | Yes BODY | Second body rail packed up with rubber. | Yes | Yes | No | No | No | Yes REV-COUNTER | Latest type cable | No | Yes | No | Yes | No | No | ||