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Thread: 2005 C5500 Utility Body 4x4 LLY Mods

  1. #1
    Join Date
    Jun 2020
    Berlin, CT USA

    Default 2005 C5500 Utility Body 4x4 LLY Mods

    I'm thinking about modifying my truck. 1st thing I'll install a FASS Lift Pump. I believe the turbo is going so I was going to go with an upgraded turbo. Also I probably should get a mild to medium tune. Does anyone recommend any modified air filter intakes, exhaust, turbo, and tunes for a medium duty duramax ? Any advise would be appreciated. Thx

  2. #2
    Join Date
    Apr 2001


    You can update/upgrade anything or everything, with your wallet being the only limiting factor. What do you want as an end result? More power? Improved economy? Greater reliability? What is broke or falling short? What makes you think the turbo is going?
    1985 Blazer 6.2
    2001 GMC 2500HD D/A

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