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Thread: 5.3 to LS2

  1. #1
    Join Date
    Jul 2009
    Posts
    532

    5.3 to LS2

    What all is needed to make the swap? It has no top end. I was going to swap over the headers, my slightly worked 862 heads, 220/224 .581 113+4 cam, accessories, CAI, and buy a TBSS intake, injectors, and tb.

    What all mods to the harness are needed other than for the injectors?

    Would this be noticeable gain over the same parts in the 5.3?
    04 Silverado Z-71 Extended Cab

    Magnaflow, 10.4 TV 50 wires, tr-55ix, Synthetics, HID's, JL audio, 33.5", leveling kit, tuned, CAI, vette servo, cam, valve job, pacesetter. 9.3@77.5 and 14.5@93.4

    06 2wd

    custom cam, tune, 3.73's, servo, HID's, 10.4mm wires, long-tubes, CAI, magnaflow, 2.5" shackles, Circle-D 3200, UD, JL Audio 4.1, Alpine 5ch

  2. #2
    Join Date
    Nov 2008
    Location
    Spring, TX
    Posts
    2,228
    Read the stickies! most questions have been answered
    http://www.ls1truck.com/forums/power...gine-swap.html
    '02 Silvy: Z71 EC Step Side 5.3L Nelson tuned
    2013 GMC Acadia: SLT1 Carbon Black
    1976 Corvette Stingray: Trying to save it, progress is slow.

    ^Ricky's Sweet PS Skilz
    09/21/2010 02:31 <danger_ranger83> I'm not really worried about the looks...I want it to be fast and ugly...bc no one wants to get outrun by something ugly

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