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g3500

  1. 06-07 LBZ & LLY Duramax Powertrain
    I can't find it anywhere, does anyone have a dyno run of their bone-stock 06 or 07 Chevy Express Duramax 6.6L LLY? Better yet, an official curve from GM or Chevy? I'm looking specifically for an 06 or 07 Chevy Express G3500, but I understand that an almost identical configuration was used in...
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