| Part Number: | 13009 | Grind Number: | 278 H10 |
| Engine Identification: | | | | Start Yr. | End Yr. | Make | Cyl | Description | | 1962 | Up | FORD-MERCURY | 8 | EXCEPT 1982-UP H.O. | | Engine Size | Configuration | | | 221-302 C.I. | V | |
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| Valve Setting: | Intake | .000 | Exhaust | .000 | HOT |
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| Lift: | Intake @Cam | 3114 | @Valve | 498 | All Lifts are based on zero lash and theoretical rocker arm ratios. | | Exhaust @ Cam | 3114 | @Valve | 498 | | Rocker Arm Ratio | 1.60 | | |
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| CamTiming: | TAPPET | @.004 | | Lift: | | Opens | Closes | ADV Duration | | Intake | 30.0 BTDC | 68.0 ABDC | 278 | | Exhaust | 70.0 BBDC | 28.0 ATDC | 278 |
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| Spring Requirements: Triple Dual Outer Inner | | Part Number | 99833 | | Loads | Closed | 95 | LBS@ | 1.700 | or | 1 45/64 | | Open | 253 | LBS@ | 1.220 | | |
| | Recommended RPM range with matching components | | Minimum RPM | 2200 | | Maximum RPM | 5600 | | Valve Float | 6500 |
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| CamTiming: | TAPPET | @.050 | | Lift: | | Opens | Closes | Max Lift | Duration | | Intake | 6.0 BTDC | 36.0 ABDC | 105 | 222 | | Exhaust | 46.0 BBDC | (4.0) BTDC | 115 | 222 |
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| Remarks: | | FIRING ORDER: 1-5-4-2-6-3-7-8 |
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