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Profile
Number |
Advertised Timings
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DURATION
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VALVE LIFT
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TAPPET
CLEARANCE |
REMARKS
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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
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@ 0.050"
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Gross.
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@ T.D.C.
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Ex.
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In.
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| 423C | 56 | 12 | 20 | 48 | 248 | 248 | .400" | .400" | .014" | .008" | Standard | ||||
| 469 | 59 | 15 | 23 | 51 | 254 | 254 | .450" | .460" | .014" | .008" | Torque suit 4WD | ||||
| 469X | 59 | 15 | 18 | 56 | 254 | 254 | .450" | .460" | .014" | .008" | Mild Torque | ||||
| 469/490B | 59 | 15 | 30 | 72 | 254 | 282 | .440" | .410" | .014" | .008" | |||||
| 490B | 67 | 31 | 30 | 72 | 278 | 282 | .410" | .410" | .014" | .008" | Ground on | ||||
| 490B | 74 | 34 | 36 | 72 | 288 | 288 | .425" | .425" | .014" | .008" | Hardfaced | ||||
| 939C | 74 | 34 | 36 | 72 | 288 | 288 | .480" | .480" | .014" | .008" | Hardfaced only | ||||
| 359B | 71 | 29 | 33 | 66 | 280 | 280 | .415" | .415" | .014" | .012" | Hardfaced only | ||||
| 359A | 73 | 35 | 35 | 73 | 28 | 288 | .415" | .415" | .012" | .010" | Hardfaced only | ||||
Notes -
* New camshafts not available at this time.
* All large improvements require hardfacing.
* Valve springs require changing above 0.460" lift.
* Profiles also available to suit the 22R type engine.
*
