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  1. #1

    Default BBK Throttle Body

    BBK claims a 7-12 HP gain with their throttle body. Does anyone have one of these on their truck? Is it worth 400 bucks??

    http://www.bbkperformance.com/produc...ttle-body.html


    '04 GMC Sierra 5.3 Z-71
    Magnaflow Cat-Back Dual Exhaust
    Banks CAI

  2. #2
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    TRPLXL2's Avatar
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    Default

    I had the 85mm BBK throttle body on my 05' silverado with the 5.3, and all it did for me was make the engine run crappy. you have to have it tuned, or buy a programmer and fix the A/F ratio. I had over $1,500 invested in my motor, and I wasn't impressed. I ended up selling that throttle body for $200 at the swap meet, I am sure someone will get on here and tell you how great they are though................
    2004 Chevy Colorado
    LS1 5.7 swap/TBSS rear axle swap

  3. #3

    Default

    Thanks,man. Based on your experience,I think I'll pass!


    '04 GMC Sierra 5.3 Z-71
    Magnaflow Cat-Back Dual Exhaust
    Banks CAI

  4. #4
    Sr. Engineer
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    Default

    Not worth it unless you have an F/I system and need to go bigger. Your current throttle body is just fine for 99.9% of the systems out there.
    Black Bear Performance- Custom Tuning Solutions

    Authorized EFILive and MAGNACHARGER seller

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