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Thread: 2002 Tahoe 5.3 to LQ9 conversion ?

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  1. #1
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    The toughest part to me is the 80 swap. The engine drops in.

  2. #2
    Join Date
    Oct 2008
    Location
    Houston
    Posts
    807
    Tuning and the build no problem. Have good tuner here in Houston
    does the tuning on my turbo-mustang

    Yes, I do have the cable throttle body.

    So I would just put an LS1 style TB on ? or just keep
    my stock 5.3L TB when I swap intakes over ?

    What about swapping over to the LS6 intake and just keeping
    the 317 heads on the LQ9 ?

    Can I make this pass Texas emissions with an LS6 intake swap
    and stock GTO cam in an LQ9 ? then add some mild boost, say 8-10psi ?

    Again this is my DD, so its gotta drive and pass E-test like stock.

    What's up with the 4L80E swap ? I've heard the auto thats in my 5.3
    will take a crap in a hurry with any kind of real power thrown at it.

    Sorry for all the noob questions. Starting from scratch on learning the
    ins and outs of my GenIII Tahoe.


    Pushrod Mustangs I know.
    Check out my '89 Mustang convertible.
    351W - 357ci swap - DIY twin turbos and all the goodies
    just finished it up. Did about 80% of the work myself in the garage.

    Notice the custom one-off DIS ignition system with LS1 coil packs on valve covers ?






  3. #3
    Join Date
    Mar 2007
    Location
    Newark, Delaware
    Posts
    931
    i may be a diehard Chevy guy but that mustang is fvcking sweet, nice work man
    Big slow mud truck with a TUNE!!!!!!

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