Oldsmobile 39 Deg. V8 260-455 1967-1990Adv. Duration: 259/269Duration @ .050": 205/215Valve Lift w/ 1.60 Rockers: .448/.475
Lobe Separation Angle: 112 LCIntake Centerline: 108Valve Lash: Hyd./Hyd.800-4800. Street Force 1, Good idle, Mild Street Performance, strong low end torque.
Oldmobile 39 Deg. V8 260-455 1967-1990Advertised Duration: 267/267Duration @ .050": 213/213Valve Lift w/1.60 Rockers: .480/.480Lobe Separation Angle: 111Intake Centerline: 107Valve Lash: Hyd./Hyd.1200-5500. Good low end & mid-range. Will work well in jet boats.
Oldsmobile 39 Deg. V8 260-455 1967-1990Adv. Duration: 269/277Duration @ .050": 213/223Valve Lift w/ 1.60 Rockers: .480/.480
Lobe Separation Angle: 112 Intake Centerline: 108Valve Lash: Hyd./Hyd.1200-5800. Street Force 2, Good idle & throttle response. Needs 4 barrel & good exhaust.
Oldsmobile 39 Deg. V8 260-455 1967-1990Adv. Duration: 279/289Duration @ .050": 225/235Valve Lift w/ 1.60 Rockers: .496/.501
Lobe Separation Angle: 112 Intake Centerline: 108Valve Lash: Hyd./Hyd.1800-6000. Street Force 3, Noticeable idle, Hot Street & mild Bracket Racing.
Oldsmobile 39 Deg. V8 260-455 1967-1990Advertised Duration: 308/308Duration @ .050": 232/232Valve Lift w/1.60 Rockers: .474/.474Lobe Separation Angle: 113Intake Centerline: 112Valve Lash: Hyd./Hyd.2400-6000. Near duplicate of the Olds W-31 325HP/350 cam (GM #402194).
Oldsmobile 39 Deg. V8 260-455 1967-1990Adv. Duration: 289/299Duration @ .050": 235/245Valve Lift w/ 1.60 Rockers: .520/.544
Lobe Separation Angle: 112 Intake Centerline: 108Valve Lash: Hyd./Hyd.2400-6400. Street Force 4, Lopey idle. Good mid-range power. Needs 2800+ stall.