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  1. gmduramax

    Head resurfacing yay or nay?

    You can shave a little off of them, if you go to much I believe you run into issues with the Y bridge figment.
  2. gmduramax

    New or Re-Build Steering Box

    Do they offer different ratios for their boxes?
  3. gmduramax

    Bullydog uninstall

    Some people remove the radio fuses and anything that would use the can bus, I honestly never have
  4. gmduramax

    New or Re-Build Steering Box

    No leaks but it has loosened a bit, nothing anyone would notice but it does have play now. I threw a red head on my moms LML and it is tightttt no issue so far but she doesn’t drive much
  5. gmduramax

    Alternator wire fusible link 2007.5 LMM

    Just go to a car audio shop and have them make you one 🤷‍♂️
  6. gmduramax

    new head gaskets, now runs rough and smokes

    It’s not the cover on the rear adapter that’s leaking?
  7. gmduramax

    which exhaust manifold to replace on LBZ

    I would only run his parts but I’m not sure why he said you wouldn’t see a gain. I picked up 3mph that’s alot of power on a 7000lb truck. That was the only change made
  8. gmduramax

    which exhaust manifold to replace on LBZ

    I would do it for better spool but if you’re already on the limit of a stock trans you will pick up power with up pipes so I would pull fuel out.
  9. gmduramax

    which exhaust manifold to replace on LBZ

    I would 100% recommend up pipes I picked up 3mph in the 1/4 with the stock turbo and while spraying also, they also help spool
  10. gmduramax

    which exhaust manifold to replace on LBZ

    I think I got both lml manifolds for $180 🤷‍♂️ Did it make a difference even on my LMM probably not but I didn’t like the dent in the driver side manifold
  11. gmduramax

    which exhaust manifold to replace on LBZ

    Gm finally realized it didn’t need to have a dent. I believe the opening at the end of the manifold is larger on the lml, I could be wrong.
  12. gmduramax

    which exhaust manifold to replace on LBZ

    The driver side has the dent in it. Factory LML manifolds would be good. IIRC they changed them for LML so I would do both
  13. gmduramax

    2011 lml Duramax overfueling

    Aren’t you supposed to unplug the egr’s and intake valve on a tuned LML or does efi live take care of that now?
  14. gmduramax

    2011 lml Duramax overfueling

    Is it a SOTF tune, I think it’ll use the fuel temp circuit to limit the power in the tune
  15. gmduramax

    Not another compound turbo thread

    My friend ended up ordering a Bullseye BMW ball bearing S468 87 turbine .90 ar for his truck. It’ll be paired with a forced inductions S488 billet 1.32 ar so I’ll be able to test it out. Still undecided for the Limo lol
  16. gmduramax

    new head gaskets, now runs rough and smokes

    Does the motor need to be at TDC to adjust valves? Wouldn’t watching the intake and exhaust valve open then close and stop moving be sufficient
  17. gmduramax

    new head gaskets, now runs rough and smokes

    Injectors are bad most likely. Get them from Lincoln diesel specialties
  18. gmduramax

    Is this Normal?

    Probably not but the ecms do weird things sometimes for no reason, or maybe there is a reason we just don’t know 🤣
  19. gmduramax

    Is this Normal?

    I don’t think efi live would recognize it. I think it would be possible for the ecm to see the speedo pulses being say 40 a second then randomly jump to 45 pulses a second and maybe that’s what’s causing it to unlock the converter. Just using random numbers I don’t know the exact count. Didn’t...
  20. gmduramax

    Super Bowl

    Couple good plays. It was a fun game but I was drunk 🤣
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