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Profile Number | Advertised Timings | DURATION | VALVE LIFT | TAPPET CLEARANCE | REMARKS | ||||||||||
Ex Op. B.B.D.C. | Ex Cl A.T.D.C | In Op. B.T.D.C. | In Cl A.B.D.C | Advertised | @ 0.050" | Gross. | @ T.D.C. | Ex. | In. | | |||||
958 | 47 | 5 | 5 | 47 | 232 | 232 | .360" | .360" | .012" | .010" | Smooth idle. | ||||
959 | 52 | 10 | 10 | 52 | 242 | 242 | .367" | .387" | .012" | .010" | |||||
996 | 64 | 24 | 26 | 58 | 268 | 268 | .510' | .510" | .012" | .010" | Fast road. | ||||
946 | 68 | 32 | 38 | 62 | 280 | 280 | .550" | .480" | .012" | .010" | |||||
1357C | 80 | 44 | 46 | 78 | 304 | 304 | .490" | .420" | .010" | .008" | Fast road/drag. | ||||
903C | 81 | 53 | 56 | 80 | 314 | 316 | .550" | .470" | .010" | .008" | Drag only. | ||||
Notes -
- Valve timings are taken at different lifts.
- Engine rotation is anti-clockwise.
- New camshafts available.