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  1. J

    lly to lbz

    thanks to cougar281 i found this on the web site he recommended. so does this mean.....drum roll..........that if i have them update my ecm it will be lbz tuned???? "pinky to corner of mouth" Calibration History for: System Part Number CVN Bulletin # Description 12632677 4C1FEC95 - New Part...
  2. J

    lly to lbz

    I went to the local gm dealer here and he said there are 4 updates that are do to my ecm but was going to charge $90 to flash it with the latest. He said since I plan on getting a tuner not to mess with it cause the tuner would fix anything that is missing now....hope that is correct or do I...
  3. J

    lly to lbz

    ok thank you all very much! looks like efilive will be in my shopping basket lol so who should i hit up for a tune? THANKS AGAIN!!!!
  4. J

    lly to lbz

    I will most likely go with efi with a monitor, if you look at bullydog,edge, Diablo etc....they say adds "X" amount of hp and so forth but wasn't sure if it is on the lly tune or it goes ahead and bumps it up to the lbz tune with the added hp..... 2006 lly plus 40hp=350hp 2006 lbz plus 40hp=400hp
  5. J

    lly to lbz

    this is my first post and my first diesel. i have an 06 lly. vin confirms this with a 2 and 6 all in the right places lol. so my question has been asked before but in every thread it keeps getting over looked. IF I TUNE MY 06 LLY WITH A TUNER WILL IT HAVE THE SAME HP AND TORQUE NUMBERS AS IF IT...
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