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  1. L

    stock LBZ black smoke

    Thanks guys!
  2. L

    stock LBZ black smoke

    Thank you! Haven't had time to check much of anything out but I'll start there. I can check that with some ether correct?
  3. L

    stock LBZ black smoke

    Is this in the wrong place? I have seen other posts get responses today and mine was the only one that didn't.
  4. L

    stock LBZ black smoke

    Hey guys. I'm a noob so if this is in the wrong place i apologize. I recently purchased an 06 3500 LBZ (I think. It is a 10/05 with D VIN code.) Duramax with Allison. It has 214,000 miles and stock as far as i know. When i purchased it it didn't hardly smoke in any situation. Now I'm getting...