| Part Number: | 364681 | Grind Number: | F-280-2 (REPLACES CC-280A) |
| Engine Identification: | | | | Start Yr. | End Yr. | Make | Cyl | Description | | 1962 | Up | FORD-MERCURY | 8 | PERFORMANCE USAGE, OVAL TRACK: LATE MODEL, SPORTSMAN, 3/8-1/2 MILE; BRACKET RACING: PRO, PRO E.T., SUPER E.T., AUTO TRANS W/ RACE CONVERTER; 11.0 TO 12.5 COMPRESSION RATIO ADVISED. BASIC RPM 3400-6800 | | Engine Size | Configuration | | | 221-302 C.I. | V | |
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| Valve Setting: | Intake | .026 | Exhaust | .026 | HOT |
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| Lift: | Intake @Cam | 3454 | @Valve | 553 | All Lifts are based
on zero lash and theoretical rocker arm ratios. | | Exhaust @ Cam | 3574 | @Valve | 572 | | Rocker Arm Ratio | 1.60 | | |
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| CamTiming: | TAPPET | @.020 | | Lift: | | Opens | Closes | ADV Duration | | Intake | 31.0 BTDC | 69.0 ABDC | 280 | | Exhaust | 71.0 BBDC | 37.0 ATDC | 288 |
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| Spring Requirements: Triple Dual Outer Inner | | Part Number | 99893 | | Loads | Closed | 120 | LBS@ | 1.875 | or | 1 7/8 | | Open | 320 | LBS@ | 1.355 | | |
| | Recommended RPM range with matching components | | Minimum RPM | 3400 | | Maximum RPM | 6800 | | Valve Float | 7800 |
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| CamTiming: | TAPPET | @.050 | | Lift: | | Opens | Closes | Max Lift | Duration | | Intake | 16.0 BTDC | 48.0 ABDC | 105 | 244 | | Exhaust | 56.0 BBDC | 16.0 ATDC | 111 | 252 |
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| Remarks: | | FIRING ORDER: 1-5-4-2-6-3-7-8 MUST MACHINE INNER SPRING SEAT FLUSH WITH OUTER. |
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Bell housings
Air & Fuel