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Thread: How to id a SBC camshaft? I know, tough

  1. #1
    Junior Member SHOW GUEST
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    How to id a SBC camshaft? I know, tough



    This is a cam I have on an engine I bought. I know it was a mild performance rebuild on a 400 with 5.7 rods and KB pistons. The machine shop that bored the motor also supplied the cam. Guy who had it built thought is was about 512 lift. It could be a house brans special. Kind of a long shot, but can't hurt to ask.

    Any thoughts on the make or info based on these numbers?

  2. #2
    Junior Member SHOW GUEST
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    If nobody would care to speculate, is there a forum you can recommend which might know?

    Thanks!

  3. #3
    Senior Member MASTER BUILDER
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    You can send the camshaft to any camshaft manufacturer and have them cam doctor it, this will tell you exactly what it is.
    Competition Engines & Hardcore Engine Parts
    www.cnc-motorsports.com
    [email protected]

  4. #4
    Senior Member DYNO OPERATOR
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    that's the old 310-2H.
    Full Time Racing,WASTED $$ division

    http://www.racingjunk.com/profile/281924

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  5. #5
    Junior Member SHOW GUEST
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    So it sounds like the 310-2H is a Crane Cams grind number. I can't find exact specs.

    Thanks for the help so far!

  6. #6
    Junior Member SHOW GUEST
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    Part Number: WG1051K Grind Number: 310-2H
    Engine Identification:
    Start Yr. End Yr. Make Cyl Description
    1957 1987 CHEVROLET 8
    Engine Size Configuration
    262-400 C.I. V

    Valve Setting: Intake .000 Exhaust .000 HOT

    Lift: Intake @Cam 3439 @Valve 516 All Lifts are based
    on zero lash and theoretical rocker arm ratios.
    Exhaust @ Cam 3500 @Valve 525
    Rocker Arm Ratio 1.50

    Cam Timing: TAPPET @---
    Lift: Opens Closes ADV Duration
    Intake --- --- 310
    Exhaust --- --- 318

    Spring Requirements: Triple Dual Outer Inner
    Part Number ---
    Loads Closed --- LBS @ --- or ---
    Open --- LBS @ ---
    Recommended RPM range with matching components
    Minimum RPM 3200
    Maximum RPM 7000
    Valve Float ----

    Cam Timing: TAPPET @.050
    Lift: Opens Closes Max Lift Duration
    Intake 20 BTDC 44 ABDC 102 244
    Exhaust 56 BBDC 16 ATDC 110 252


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