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).
4-cylinder versus 6-cylinder engines with specifications for several car models.
| Identifier | ExFiles\Box 128\3\ scan0019 | |
| Date | 13th March 1939 | |
| 110H To. R.M. File new. 13.3.39. Four Cylinder Engines. If you could buy any of these cars, you could form an opinion of 4 cyls versus six. Here they are. JNR.{Charles L. Jenner} PEUGEOT 3 1/4 x 3 7/8 = 2140 cc RENAULT 3 3/8 x 4 1/8 = 2383 " RILEY 3.15 x 4.7 = 2443 " WILLS 3 1/8 x 4 3/8 = 2198 " | ||