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).
Exhaust valve lift diagram for an Alfa-Romeo unit.
| Identifier | ExFiles\Box 124\5\ scan0038 | |
| Date | 15th March 1939 guessed | |
| UNIT ALFA-ROMEO EXHAUST VALVE LIFT DIAGRAM VALVE LIFT (INS.) 0.325 0.300 0.275 0.250 0.225 0.200 0.175 0.150 0.125 0.100 0.075 0.050 0.025 OPENING EXHAUST CLOSING T.D.C. INLET OPENING CRANK ANGLE (DEGREES) 100 120 140 160 180 BDC 200 220 240 260 280 300 320 340 360 TDC 380 400 V1297 | ||