Ford Big Block 429-460
Cam Series: Retro-Fit
Advertised Duration: 272/278
Duration @ .050": 219/225
Valve Lift w/1.73 Rockers: .588/.577
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
1600-5600. Mild idle, street performance, good low to mid-range torque & power.

Ford Big Block 429-460
Cam Series: Retro-Fit
Advertised Duration: 282/286
Duration @ .050": 229/233
Valve Lift w/1.73 Rockers: .600/.594
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
2200-6200. Choppy idle, high performance street, needs good intake, headers 9.0:1 CR & 2200+.

Ford Big Block 429-460
Cam Series: Retro-Fit
Advertised Duration: 288/294
Duration @ .050": 235/241
Valve Lift w/1.73 Rockers: .611/.611
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
2400-6400. Good idle, great mid-range performance, 9.0:1+ CR stall & 3.73 or lower gears.

Ford Big Block 429-460
Cam Series: Retro-Fit
Advertised Duration: 300/300
Duration @ .050": 247/247
Valve Lift w/1.73 Rockers: .623/.623
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
3000-6800. Lopey idle, street/strip, good mid range horsepower, best with 3500+ stall.

Ford Big Block 429-460
Cam Series: Retro-Fit
Advertised Duration: 302/308
Duration @ .050": 249/255
Valve Lift w/1.73 Rockers: .652/.652
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
3200-7000. Rough idle, hot street/strip, good mid range horsepower, best with 3500+ stall.

Ford Big Block 429-460
Cam Series: Rattler
Advertised Duration: 280/288
Duration @ .050": 227/235
Valve Lift w/1.73 Rockers: .565/.565
Lobe Separation Angle: 109
Intake Centerline: 103
Valve Lash: Hyd./Hyd.
1800-5200. Rattler, choppy idle, high performance street, stock converter ok, best with 1800+ and gears.

Ford Big Block 429-460
Cam Series: Rattler™
Advertised Duration: 288/296
Duration @ .050": 235/243
Valve Lift w/1.73 Rockers: .611/.611
Lobe Separation Angle: 109
Intake Centerline: 103
Valve Lash: Hyd./Hyd.
2000-5400. Big Mama Rattler™, Lopey idle, street or street/strip, needs 9.0:1 compression, 2500+ stall.

Ford Big Block 429-460
Cam Series: Rattler
Advertised Duration: 296/304
Duration @ .050": 243/251
Valve Lift w/1.73 Rockers: .611/.594
Lobe Separation Angle: 109
Intake Centerline: 103
Valve Lash: Hyd./Hyd.
2400-5600. Big Daddy Rattler, Rough idle, pro street or street/strip, needs 9.5:1 compression 2800+.