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).
List of customer complaints and service actions taken regarding excessive oil consumption and overoiling.
| Identifier | ExFiles\Box 146\2\ scan0265 | |
| Date | 30th June 1937 guessed | |
| ( 6 ) 12. Excessive oil consumption and overoiling. (Continued) B-122-GA. 23.900 Kms. Owner said he uses about 1 litre per 100 Km. approx. 300 MPG. We tested car at high speed on a hot day and used 2 litres per 100 Km; Car now having attention. We are now fitting a cylinder block to LOP. EB.2715 and pistons to LOP. E.3151 and EB.3122 high pressure scraper rings sent specially from Works. We will send all concerned a full report as to results obtained. B-244-GA. 23.010. Kms. R.C. Owner says he uses 1 litre per 100 Km. Car being sent to us at later date for attention At 18.027 Km. we fitted a set of "L" section rings with little improvement. B-125-GP. 17.950 Kms. Owner's complaint, 9 Litres per 1.000 Km. We tested car and used 1.600 Litres during a fast run of 153 Km. Re-bored cylinders, fitted .010 O/S. pistons and an "L" section ring to each piston. Chose rings with sharp leading edge. During test, we used 3/4 litre of oil per 100 Km. Owner will let us know if oil consumption improves with running. B-260-GA. 23.988 Kms. Owner's complaint, 1 litre per 100 km. when car is driven fast. Car has now been attended to by "K". Owner has informed us that there is very little improvement. B-106-HK.{Col. T. Harker - Sales} 16.627 Kms. Owner's complaint, about 1 litre per 100 Km. (300 MPG.) Car to be sent to us at later date for attention. B-100-HK.{Col. T. Harker - Sales} 12.770 Kms. Owner's complaint, about 400 MPG. Car still in owner's hands. To be attended to at a later date. (continued) | ||