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5 speed

  1. Need Info on 4 speed to 5 speed swap for I6

    Transmission Mods
    Does anyone know if it is possible to put a 5 speed or 6 speed transmission into a 2004 I6 Trailblazer. Are there anydirect bolt-ons? If yes, can you please help direct me on what would fit and/or what else I need to do/get... including possible PCM issues. Thanks.
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