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).
Note on the expected engine oil consumption for a car.
| Identifier | ExFiles\Box 5\1\ 01-page167 | |
| Date | 5th July 1933 guessed | |
| -4- OIL CONSUMPTION. 667 m.p.g. Surely it would not be unreasonable to expect that the engine oil consumption on this car should not be less than 1,000 m.p.g. ? 83 | ||