| Part Number: | 524421 | Grind Number: | H-288-2 (REPLACES CCH-288-2) |
| Engine Identification: | | | | Start Yr. | End Yr. | Make | Cyl | Description | | 1970 | 1982 | FORD-MERCURY | 8 | FAIR IDLE, MODERATE PERFORMANCE USAGE, GOOD MID-RANGE HP, BRACKET RACING, AUTO TRANS W/2500+ CONVERTER, 3200-3600 CRUISE RPM, 9.5 TO 11.0 COMPRESSION RATIO ADVISED. BASIC RPM 2500-5500 | | Engine Size | Configuration | | | 351-351C C.I. | V | |
|
| Valve Setting: | Intake | .000 | Exhaust | .000 | HOT |
|
| Lift: | Intake @Cam | 305 | @Valve | 528 | All Lifts are based
on zero lash and theoretical rocker arm ratios. | | Exhaust @ Cam | 3101 | @Valve | 536 | | Rocker Arm Ratio | 1.73 | | |
|
| CamTiming: | TAPPET | @.004 | | Lift: | | Opens | Closes | ADV Duration | | Intake | 33 BTDC | 75 ABDC | 288 | | Exhaust | 75 BBDC | 37 ATDC | 292 |
|
| Spring Requirements: Triple Dual Outer Inner | | Part Number | 99837 | | Loads | Closed | 90 | LBS@ | 1.828 | or | 1 53/64 | | Open | 269 | LBS@ | 1.308 | | |
| | Recommended RPM range with matching components | | Minimum RPM | 2500 | | Maximum RPM | 5500 | | Valve Float | 6500 |
|
| CamTiming: | TAPPET | @.050 | | Lift: | | Opens | Closes | Max Lift | Duration | | Intake | 8 BTDC | 38 ABDC | 105 | 226 | | Exhaust | 50 BBDC | 0 ATDC | 115 | 230 |
|
|
Bell housings
Air & Fuel