New
Normal
Medium idle
Strong mid range performance
See fitting notes
Crow Cams recommend purchasing 2x bottles of ZDDP additive with any flat tappet cam, one for the initial run in and one for the first oil change thereafter
| RPM Range | Part No. | Duration | with 1.5 Rocker | Lobe Sep Angle |
Lash
Measured Hot |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Advertised | @.050” | |||||||||
| IN | EX | IN | EX | IN | EX | IN | EX | |||
| 1600-4600 | 1603-8 | 280 | 280 | 214° | 214° | 0.442 | 0.442 | 108 | HYD | HYD |
Must use performance springs.
Converter stall speed should be equal to or greater than the minimum RPM of the cam power range
Note: Our Tough Idle range cams will have low vacuum due to the tight lobe centre.
Crow Cams recommend purchasing 2x bottles of ZDDP additive with any flat tappet cam, one for the initial run in and one for the first oil change thereafter. View our Downloads tab for a Flat Tappet run in procedure check list.