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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. | | |||||
STD | 71 | 50 | 41 | 72 | 301 | 293 | 179 | 179 | .350" | .350" | .035" | .035" | .012" | .008" | Std. |
1065C | 59 | 33 | 36 | 56 | 272 | 272 | 186 | 181 | .395" | .395" | .045" | .045" | .010" | .006" | 1 St improvement. |
1143C | 62 | 38 | 40 | 60 | 280 | 280 | 198 | 198 | .395" | .395" | .058" | .058" | .010" | .006" | Mild road. |
1185C | 69 | 43 | 47 | 65 | 294 | 294 | 224 | 222 | .420" | .420" | .115" | .138" | .010" | .008" | |
Notes -
- New camshafts available.
- Cylinder head reqiures grinding on #3 cylinder.
- New profiles being constantly developed.
- .050" valve timing are at .080" @ valve.
- Advertised timimgs are zero clearance & .010" lift.