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Thread: LS3 throttle body and 2002 PCM?

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  1. #1
    Join Date
    Jan 2013
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    LS3 throttle body and 2002 PCM?

    I changed my setup just a little with L92 heads which require the truck LS3 intake manifold due to the square ports - my question is - will the LS3 throttle body work with my 2002 PCM?

  2. #2
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
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    3,581
    unless your drive by wire then a 02 pcm has a cable TB which isnt the same as the ls3 tb
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  3. #3
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    Jan 2013
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    20
    Yeah my truck is drive by wire

  4. #4
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
    Posts
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    has traction control?
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  5. #5
    Join Date
    Jan 2013
    Posts
    20
    Yes it has traction control

  6. #6
    Join Date
    Jan 2013
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    I'm gonna get in touch with az dyno chip here in tempe and see what they say - I think nick d still does there Chevy stuff.

  7. #7
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    Mar 2003
    Location
    San Antonio, TX
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    11,038
    you'll need the tb conversion harness. 6pin to 8pin.

  8. #8
    Join Date
    Jan 2013
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    20
    Quote Originally Posted by farmtruc View Post
    you'll need the tb conversion harness. 6pin to 8pin.
    Thanks! Just got off the horn with my local tuner and they said the same thing. Much appreciated!!

  9. #9
    Join Date
    Jan 2013
    Posts
    20
    So here the adapter

    http://www.summitracing.com/parts/cei-108115

    And you must use an LS2 throttle body. The LS3 style TB's apparently dont work with the swap.

  10. #10
    Join Date
    Oct 2003
    Location
    Navarre, FL
    Posts
    199
    I just ordered a X-Link from torque rush, they are supposed to work with the LS3 throttle body.

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