Ford FE 352-428 1963-1977Adv. Duration: 291/295Duration @ .050": 237/241Lift: .569/.548
Lobe Separation: 112 LC
Included Lifters: 91251 Hyd. Flat Tappet
2600-6200. Fair idle, street performance, good mid-range horsepower. 10.0-11.5:1 suggested.
Ford FE 352-428 1963-1977Adv. Duration: 295/295Duration @ .050": 241/241Lift: .548/.548
Lobe Separation: 110 LC
3000-6400. Rough idle, runs strong 3,500 rpm up, needs compression. Needs headers.
Ford FE 352-428 1963-1977Adv. Duration: 301/301Duration @ .050": 247/247Lift: .595/.595
3400-6700. Pro street/brackets, strong mid & upper end power. 10.0:1+ CR.