| Engine Family | Ford 221, 260, 289, 302 c.i. 8 Cylinder (1963-1995) |
|---|---|
| RPM Operating Range | 2,200-6,200 |
| Cam Type | Hydraulic Flat Tappet |
| Camshaft Series | Thumpr |
| Camshaft Gear Attachment | 1-Bolt |
| Usage | Street/Strip |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Advertised Intake Duration | 295 |
| Advertised Exhaust Duration | 312 |
| Intake Duration at .050 Inch Lift | 243 |
| Exhaust Duration at .050 Inch Lift | 257 |
| Lobe Lift Intake | 0.32 |
| Lobe Lift Exhaust | 0.311 |
| Lobe Separation | 107 |
| Intake Centerline | 102 |
| Valve Timing Lift | 0.006 |
| Exhaust Close ATDC | 49 |
| Intake Open BTDC | 43 |
| Exhaust Open BBDC | 84 |
| Intake Close ABDC | 71 |
| Lifter Style | Hydraulic Flat Tappet |