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lb7

  1. Buying or Selling a Truck Questions
    Hello, ive been working on getting a 3/4 or 1 ton truck for towing for a little bit know and have recently been offered a trade for a LB7 powered 01 2500HD with 190K Miles. Im asking forums for help as im a gas mechanic, never worked with a diesel. Up until know I was just waiting on a good deal...
  2. Duramax First Generation: 2001-2004 (LB7)
    Has anyone had a problem with Dorman's high pressure feed lines? I installed them about 3 years ago on my LB7 as part of an injector job and was pleased with the price and quality. I always use a 19mm flare nut crow's foot to torque them properly. Yesterday while driving, had a strong fuel smell...
  3. Duramax First Generation: 2001-2004 (LB7)
    Ive been working on an 03 LB7 w/140k miles on it. Egr delete and after market oil cooled fleece turbo installed before I got it. Had all the signs of blown head gaskets so tore it apart and replaced them with arp head studs. Had heads resurfaced and replaced all o rings and gaskets associated...
  4. Goliath

    Goliath

    2003 Sierra 2500HD crew cab short box, SA conversion to dana 60, sdp turbo s369sxe, divorce np205, 44’ boggers, 5.13 12bolt, ARB locker (📸2019)
  5. 2004 Sierra 2500HD Duramax

    2004 Sierra 2500HD Duramax

    4x4 crew cab long box (📸2007)
  6. 2004 Sierra 2500HD Duramax

    2004 Sierra 2500HD Duramax

    4x4 crew cab long box (📸2017)
  7. Duramax First Generation: 2001-2004 (LB7)
    Howdy Yall, longtime lurker here but I can’t seem to find what I’m looking for through searching. I just picked up a 2001 2500HD LB7/ZF6 recently and its been great! Used to have another ‘01 with the ally but alas it died an untimely death, but I digress... The check engine light came on, so...
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