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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. | | |||||
902C | 63 | 28 | 22 | 69 | 271 | 271 | 188 | 188 | .360" | .360" | H | H | Std. | ||
300AT | 65 | 15 | 20 | 60 | 260 | 260 | 203 | 203 | .412" | .412" | .020" | .027" | H | H | Torque. |
422A | 64 | 20 | 24 | 60 | 264 | 264 | 208 | 208 | .412" | .412" | .026" | .044" | H | H | Highway cruise. |
113HT | 70 | 20 | 25 | 65 | 270 | 270 | 207 | 207 | .400" | .400" | .018" | .028" | H | H | Mild. |
440T | 70 | 20 | 25 | 65 | 270 | 270 | 211 | 211 | .435" | .435" | .035" | .040" | H | H | Fast road 2500-6000 rpm. |
310 | 68 | 20 | 28 | 60 | 268 | 268 | 212 | 212 | .445" | .445" | .029" | .054" | H | H | Strong mid range. |
343B | 70 | 30 | 30 | 70 | 280 | 280 | 220 | 220 | .435" | .435" | .041" | .057" | H | H | Fast road 2800-6800 rpm. |
594 | 71 | 23 | 31 | 63 | 274 | 274 | 225 | 225 | .460" | .460" | .039" | .079" | H | H | Fast road. |
Notes -
- Spring valves should be checked on cams over .440" gross lift.
- Camshafts also suit Toyota engines.
- Larger profiles are available see Holden 6 cylinder.