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  • Camshafts

    Stock cam specs:

    Type : Hydraulic roller, assembled (hollow core with pressed on lobes)
    Duration : 196º intake / 196º exhaust (@ 0.050" lift)
    Lift @lobe : 0.273"
    with 1.6 roller rockers : 0.437"
    Lobe Seperation Angle : 112º

    Changes made between years:

    1994-1999 : cam sync ring was a "missing tooth" design, requiring cam position sensor AC Delco PN 213-294
    2000-2002 : cam sync ring was a "single tooth" design, requiring cam position sensor AC Delco PN 213-937
    2003-present : cam sync ring is a 50/50 pattern of raised and lowered semi circles, requiring cam position sensor AC Delco PN 213-1533
    Last edited by SappySE107; 04-25-2009, 08:53 AM.

  • #2
    Here are the stock cam specs from napaonline (changed the lift for our stock 1.6:1 rockers)

    Cam Lift (Exhaust):.272"
    Cam Lift (Intake):.272"
    Cam Timing at .050" Lobe Lift (Exhaust Close):12 Deg BTC
    Cam Timing at .050" Lobe Lift (Exhaust Open):32 Deg ABC
    Cam Timing at .050" Lobe Lift (Intake Close):29 Deg BBC
    Cam Timing at .050" Lobe Lift (Intake Open):15 Deg ATC
    Degrees Overlap:39 Deg
    Duration at .050" Lobe Lift (Exhaust):197 Deg
    Duration at .050" Lobe Lift (Intake):197 Deg
    Lobe Centerline (Exhaust):111 Deg
    Lobe Centerline (Intake):113 Deg
    Valve Lash (Exhaust):Hyd.
    Valve Lash (Intake):Hyd.
    Valve Lift (Exhaust):.430"
    Valve Lift (Intake):.430"
    Ben
    60DegreeV6.com
    WOT-Tech.com

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