Ford FE V8 330-428 1963-1978
Adv. Duration: 282/292
Duration @ .050": 204/214
Lift: .486/.512

Lobe Separation: 112 LC
Includes Lifters: No
1500-4000. Fair idle, good low end torque and response.

Ford FE V8 330-428 1963-1978
Adv. Duration: 292/302
Duration @ .050": 214/224
Lift: .512/.538

Lobe Separation: 112 LC
Includes Lifters: No
2000-4800. Moderate idle, improved mid-range torque.