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 83\3\ scan0168 | |
| Date | 28th March 1941 | |
| Rm{William Robotham - Chief Engineer}/Clm.{D. D. Clapham}5/ET.28.3.41 - 3 - MODIFICATIONS TO CUSTOMERS B-V CARS. Section | Modification | Details | Mr.Lappin E-22-AW | SALES E-20-AW | J.Barclay | Mr. Broodon E-18-AW | Capt.Barnato B-16-AW | Mr.Devereaux B-24-AW --- | --- | --- | --- | --- | --- | --- | --- | --- BRAKES | Increased clearance of pins in levers and levers in jaws. Chromium plating of pins and servo plate levers. Servo motor 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 | No | Yes | Yes | Yes | Yes | Yes CLUTCH | Set pedal to 1/8" of free movement. | | No | Yes | No | Yes | Yes | Yes PROP.SHAFT | Balance with jubilee Clip. | | Now | Now | Now | Now | Now | 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. | ||