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Thread: 5.3 Cam Swap?

  1. #1

    Default 5.3 Cam Swap?

    Has anyone on here done a cam swap on a 99-06 5.3. What would i have to do to put one in my sierra. Would i have to do any tuning to my ECM? Im kinda clueless to motor work. Any help, or advice is appreciated.


    IF YOU AINT FIRST, YOUR LAST!


    2003 GMC Sierra 1500 Z71
    K&N Intake
    Flowmasters
    6K HID Lows, Highs, Fogs
    3 Piece Billet grille
    De-badged
    Autopage Remote Start
    3000 Watt Stereo System
    Truxedo Bed Cover
    3 Inch lift
    33x11.5 Nittos
    18" Weld Wheels

  2. #2
    Legend

    Join Date
    Feb 2008
    Location
    Red Wing, Minnesota, United States
    Posts
    3,389

    Default

    if you say you are clueless dont do it then, just buy one and pay someone to do it, very involved process to just swap a cam. I am sure that if you google a motor shop for kansas you should be able to find someone close to you
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual
    285/75/16
    ___________________________
    Jason

  3. #3

    Default

    well what about the ECM part? would anything else need to be done? I'm pretty confident and I work with a bunch of guys smart/experienced enough to do it.
    03 1500 Z71 5.3 - DD/Tow rig

  4. #4
    Sr. Engineer
    Join Date
    Jun 2009
    Location
    San Diego, CA
    Posts
    426

    Default

    I did a cam swap on my Tahoe. Reprogramming will depend on how big of a cam you go with.

    EDIT: If you are wanting to do it on your own, LS1howto.com is a great site for instructional information.
    Black Bear Performance- Custom Tuning Solutions

    Authorized EFILive and MAGNACHARGER seller

  5. #5
    Master Mechanic Silverado Junkie's Avatar
    Join Date
    Feb 2010
    Location
    Lead Hill, Arkansas
    Posts
    541

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    You'll really like the cam, they make a noticable difference and are worth the money.
    1995 Silverado,Z71, 3-inch lift,2-inch leveling kit, SkyJacker Suspension, short ram-air intake, throttle body spacer, MSD ignition coil, straight pipes

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