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Crane Cams 1439811 - Crane Cams Hydraulic Roller Camshafts

Crane Cams 1439811 - Crane Cams Hydraulic Roller Camshafts
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Crane Cams#271-1439811

Hydraulic Roller Camshaft
  • Valve Lift: .429''/.430''
  • Advertised Duration: 260°/276°
  • Lobe Separation Angle: 112°
  • RPM Range: 1200-5200

    Crane Cams 1439811 - Crane Cams Hydraulic Roller Camshafts Details

    1992-2002 Chevy 90 degree V6, 4.3L

    *Note: Good low end torque, smooth idle, daily usage, light towing, economy, also mild turbo- charged, 2200- 3000 cruise RPM, 8.0 to 9.5 compression ratio advised.

    Grind Number: HR-204/286-2S-12
    Operating Range:1200- 5200 RPM
    Duration Advertised:260° Intake / 276° Exhaust
    Duration @ .050'' Lift:204° Intake / 214° Exhaust
    Valve Lift w/1.5 Rockers:.429'' Intake / .430'' Exhaust
    Lobe Separation Angle:112°
    Max Lift Angle:107° ATDC Intake / 117° BTDC Exhaust
    Open/Close @.050'' Cam Lift:Intake - (5°) ATDC (opens) / 29° ABDC (closes)
    Exhaust - 43° BBDC (opens) / (9°) BTDC (closes)

    Crane Cams 1439811 - Crane Cams Hydraulic Roller Camshafts

    Nearly all pushrod-style engines over the last twenty years use a hydraulic roller camshaft because it's the best way to achieve a wider torque band in popular small blocks and big blocks. A roller camshaft's ability to quickly open/close valves allows for more advanced cam profiles while a hydraulic lifter body eliminates the need to constantly set valve lash. These cams also have exceptional "flat" power curves and are often retrofitted into older engines.

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