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Thread: Throttle Body?

  1. #1
    Join Date
    Oct 2008
    Location
    Temple, Georgia
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    22

    Throttle Body?

    I am in the middle of a 6.0 conversion into an 88 silverado and I have a 2003 LQ9 motor. Of course it's drive by wire, but I was wondering if anybody knew where or someone I could get a cable throttle body from for a good price? I am eventually gonna do an lS6 cam, intake, and probably a t66 or so turbo kit. Any help would be appreciated.

  2. #2
    Join Date
    Feb 2009
    Location
    Lethbridge, Alberta
    Posts
    19
    My first guess would be a local wrecker, might be the cheapest. Then there's eBay, buddies, etc. You'll find one eventually

    I am doing a 5.3L into an 88. What are you doing for wiring? Getting a harness? Wiring it yourself? I am wiring mine myself, but am still searching for a wire connect explanation. I am sure someone has done it, would be awesome if they posted some sort of guide.

  3. #3
    Join Date
    Sep 2008
    Location
    Hope Mills, NC
    Posts
    676
    yea im doing the same swap also... 5.3 into an 88.i think i might do a nelson harness, but i seen some places that sell them for $350
    2005 GMC RST *sold
    2006 Silverado SS with nawz

  4. #4
    Join Date
    Oct 2008
    Location
    Temple, Georgia
    Posts
    22
    I am gonna use a factory harness from a 2001 GMC Sierra 2500HD and just piggyback all the guages and essential wiring into the harness and the PCM. If you guys have any questions I can help with just ask. Im doing it the hard way. lol.
    Last edited by Jgoodfella069; 03-01-2009 at 02:10 PM.

  5. #5
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
    Posts
    3,581
    a motor doesnt know what type of TB it has on it. so yes you can run a normal 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

  6. #6
    Join Date
    Apr 2005
    Location
    The Woodlands, TX
    Posts
    369
    Just make sure you use a 02 or older wiring harness and PCM so it has has the drivers for the air idle motor and you will be fine with a cable throttle body. I put a 04 5.3 with dbw tb in my dads 72 4x4 and had to find a throttle pedal and TAC module to make it all work.
    01 ECSB 1/2 ton 4x4 6L GMC
    11.03@127
    KB Racing Borg Warner S475 turbocharged
    http://i3.photobucket.com/albums/y57/Kbracing96/kbracing96copy-1.jpg

  7. #7
    Join Date
    Mar 2007
    Location
    McKinney, TX
    Posts
    35
    sorry to thread jack, but if you went with a lq9 and switched the throttle body to a drive by cable and told nelson performance for instance, would they be able to make a plug and play unit

  8. #8
    Join Date
    Oct 2008
    Location
    Temple, Georgia
    Posts
    22
    The Nelson guys from what I've heard can make pretty much anything you want and make it easy to use. I am going custom and making a lot of the harness and adapters myself. The wiring shouldn't be too hard if you have a pretty descent knowledge of doing wiring. I am a GM tech and have a pretty good knowledge of the stuff. But yeah, give them a call or email and I'm sure that they can tell you anything you need to know.

  9. #9
    Join Date
    Oct 2008
    Location
    Temple, Georgia
    Posts
    22
    Yes I am going to use a 2001 GMC Sierra 2500 harness and make it a cable drive throttle body. If anyone has any ideas, let me know.

  10. #10
    Join Date
    Feb 2009
    Location
    mississippi
    Posts
    930
    y not just get the drive by wire pedal
    04 1500 5.3L custom hp tuners tune by myself don have a pic of it yet so hear is my old 01 chevy 5.3 460hp 13.669 @ 116

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