Ford FE 330-428 1963-1977Adv. Duration: 282/292Duration @ .050": 204/214Lift: .486/.512
Lobe Separation: 112 LCIncluded Lifters: PVT652398, Hyd. Flat Tappet1500-4000. Fair idle, good low end torque and response.
Ford FE 330-428 1963-1977Adv. Duration: 292/302Duration @ .050": 214/224Lift: .512/.538
Lobe Separation: 112 LCIncluded Lifters: PVT652398 Hyd. Flat Tappet2000-4800. Moderate idle, improved mid-range torque.