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Thread: NBS Vmax Help

  1. #1
    Jr. Apprentice
    Join Date
    Feb 2009
    Location
    Madison Alabama
    Posts
    13

    Default NBS Vmax Help

    I need help with a new vortec max 4dr chevy. I am having two problems that could be connected. 1st when I load the front of the truck with a hard stop and then let off the brakes and move forward it thuds real hard in the rear end.It almost feels as if the rear disk are catching and then releasing, but i don't think it ios the brakes , if that makes any sense. 2nd when I am above 90 mph it feels as if the drive shaft is about to come apart I get a scary vibration in the seat of my pants. I need to some help diagnosing the problem.

  2. #2

    Default

    why are you going above 90mph anyway?
    2004 Silverado Crew Cab-z71-4x4-5.3-100k+ miles-KN FIPK Stage 2 CAI-Flowmaster 40 muffler w/ dual tip-Apline deck/alpine amp, Pioneer components front/Pioneer Back/2x10" MTX Subs under rear seat-Cooper ST tires

  3. #3
    Jr. Apprentice
    Join Date
    Feb 2009
    Location
    Madison Alabama
    Posts
    13

    Default

    I like fast trucks

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