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).
Recommendation to use the standard camshaft over the 116° version under specific suboptimal conditions.
| Identifier | ExFiles\Box 5a\5\ 05-page229 | |
| Date | 2nd November 1929 | |
| -2- Ha/ACL9/AM2.11.29.Contd the benefit. Therefore where conditions are such that the 116° camshaft does not give its best at max. speed - due to valves, ports or induction system,- it would seem preferable to use the standard camshaft. Ha/ACL. | ||