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  1. LandRanger

    Collapsed Lifter - After 3000 miles!

    I purchased an AFM/DoD delete kit with tuning from AM Racing via Ebay for under $700, everything is included, soup to nuts including flashing the ECM to delete AFM from it. I now have 5.3 with standard lifters and cam with nothing remaining from crappy AFM. You may want to send the heads out to...
  2. LandRanger

    DTC P0300

    Finally got the Tahoe back, this was a total financial fiasco. It's running great and no longer has AFM/DOD. If you have this failure in a vehicle with over 100K and you really like and want to keep it, I suggest you have the long block rebuilt with a AFM/DOD Delete kit such as the one we got...
  3. LandRanger

    DTC P0300

    I opted to have local shop perform the work of rebuilding the top end of the engine using a DOD delete kit from AMSRacing. Everything was on track until the old cam was removed which revealed galled cam bearings. I had the shirt block sent to Carolina Machine Engines who will rebuild the bottom...
  4. LandRanger

    DTC P0300

    Thanks all, I'm taking to a reputable shop for diagnosis. I'll post the outcome. Thanks again!
  5. LandRanger

    DTC P0300

    Thank you! No I don't have a scanner that advanced.
  6. LandRanger

    DTC P0300

    This my first post I have owned several Chevy and GMC trucks the last 30 years, I currently drive a 2007 Z71 Tahoe with 180K miles. My 2007 Tahoe 5.3 LMG briefly flashed the CEI and Traction Control lights on Wednesday afternoon and went off, didn't notice any performance issue while going 75...

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