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info needed on cam for chevy 250ci

Discussion in 'The Hokey Ass Message Board' started by ikillspies, Jan 26, 2004.

  1. ikillspies
    Joined: Dec 10, 2003
    Posts: 60

    ikillspies
    Member
    from Minnesota

    does anyone know the duration and valve lift on a stock cam for a '67 chevy 250.
     
  2. ikillspies
    Joined: Dec 10, 2003
    Posts: 60

    ikillspies
    Member
    from Minnesota

    someone should seriously help me out.
     
  3. Smokin Joe
    Joined: Mar 19, 2002
    Posts: 3,770

    Smokin Joe
    Member

    Piekiller, you need to get with the inliners or stovebolt groups. Lots of info there. Do a Google search.
     
  4. I couldnt find any info- you might try inliners.org here is a spec from the crane site-
    194-250 C.I.
    Camshaft Specification Card BACK TO LIST
    Part Number: 200511 Grind Number: H-192/2667-2S-12
    Engine Identification:
    Start Yr. End Yr. Make Cyl Description
    1962 1984 CHEVROLET 6 SMOOTH IDLE, DAILY USAGE, FUEL ECONOMY, 1600-2200 CRUISE RPM, 7.75 TO 8.75 COMPRESSION RATIO ADVISED. BASIC RPM 1000-4000
    Engine Size Configuration
    194-250 C.I.

    Valve Setting: Intake .000 Exhaust .000 HOT

    Lift: Intake @Cam 2667 @Valve 467 All Lifts are based
    on zero lash and theoretical rocker arm ratios.
    Exhaust @ Cam 2847 @Valve 498
    Rocker Arm Ratio 1.75

    Cam Timing: TAPPET @.004
    Lift: Opens Closes ADV Duration
    Intake 13 BTDC 55 ABDC 248 °
    Exhaust 63 BBDC 17 ATDC 260 °

    Spring Requirements: Triple Dual Outer Inner
    Part Number 99838
    Loads Closed 110 LBS @ 1.688 or 1 11/16
    Open 320 LBS @ 1.208
    Recommended RPM range with matching components
    Minimum RPM 1000
    Maximum RPM 3500
    Valve Float 6500

    Cam Timing: TAPPET @.050
    Lift: Opens Closes Max Lift Duration
    Intake (11) ATDC 23 ABDC 107 192 °
    Exhaust 39 BBDC (15) BTDC 117 204 °

    Remarks:


     
  5. ikillspies
    Joined: Dec 10, 2003
    Posts: 60

    ikillspies
    Member
    from Minnesota

    thanks fellas.
     

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