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| Engine Identification: | ||||
| Start Yr. | End Yr. | Make | Cyl | Description |
| 1969 | 1987 | Holden | 8 | Fair idle, strong mid range-top end street & strip performance. Needs 9.5-10:1 comp, 3.08-3.5 gears, hi-stall converter etc. for best results. |
| Engine Size | Configuration | |||
| 253-304-308cu. In. | V | |||
| Valve Setting: | Intake - | .000 | Exhaust - | .000 | Hot/Cold - | HOT |
| Lift: | Intake @Cam | 3101 | @Valve | 496 | All Lifts are based on zero lash and theoretical rocker arm ratios. |
| Exhaust @ Cam | 3101 | @Valve | 496 | ||
| Rocker Arm Ratio | 1.60 |
| Cam Timing: | TAPPET | @ .004 | ||
| Lift: | Opens | Closes | ADV Duration | |
| Intake | 35.0 BTDC | 77.0 ABDC | 292.0 | |
| Exhaust | 75.0 BBDC | 37.0 ATDC | 292.0 | |
| Spring Requirements: | ||||||
| Part Number | 99848 | |||||
| Loads | Closed | 114 | LBS @ | 1.700 | or | 1 45/64 |
| Open | 324 | LBS @ | 1.230 | |||
| Recommended RPM range with matching components | |
| Minimum RPM | 2500 |
| Maximum RPM | 6200 |
| Valve Float | 6800 |
| Cam Timing: | TAPPET | @.050 | |||
| Lift: | Opens | Closes | Max Lift | Duration | |
| Intake | 10.0 BTDC | 40.0 ABDC | 105 | 230.0 | |
| Exhaust | 50.0 BBDC | 0.0 ATDC | 115 | 230.0 | |
| Remarks: |
| Categories | Camshafts & Valve Train, Engine Components |
|---|---|
| Manufacturer Part Number | 244621 |
| Brand | COMP Cams |
| Part Type | Camshafts |
| Cylinders | V8 |
| Interchange Part Number | Crane 244621 |
| Vehicle Make | Holden |
| RPM Range | 2200-6000 |
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