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  1. gpracer1

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Installed LED tail lights and reverse light bulbs, opened up the passenger door pull (should be a recall / class action lawsuit as so many are broken due to weak design) and reinforced with small square steel rod and aluminum angle then poured in plastic epoxy.
  2. gpracer1

    Exhaust/vacuum leak?

    If you suspect a vacuum leak, maybe check the brake booster, line from booster to back of manifold.
  3. gpracer1

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Installed my B.B. tune a few days ago. Better shifting, no more 95 mph brick wall. However, before and after EFI live logs show exactly the same 0-60 and 0-90 mph times. And now there is more knock retard top of third gear. So no power gained, and it actually feels like it doesn’t hit as hard...
  4. gpracer1

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Installed the BB tune and drove it around about 70 miles.....shifts waaaaay better.
  5. gpracer1

    2013 Tahoe LTZ what makes it SSV.

    Oh snap, my B.B. tune and EFI Live license just showed up on my email...... Tune installed, going for a drive....I expect this tank to have a lower AVG MPG, lol.
  6. gpracer1

    2013 Tahoe LTZ what makes it SSV.

    Thanks for all the info... So the brake parts are interchangeable......interesting. Mine has GU6 3.42 JD9 brakes 17” ( don’t understand that one, as they are more like 13”) KC4 engine oil cooler KNP cooling system, transmission heavy duty KW1 generator 160 amp K5L equipment enhanced...
  7. gpracer1

    2013 Tahoe LTZ what makes it SSV.

    Just curious what qualifies a Tahoe as SSV? Is mine? Also any info on brake size and differences between LTZ-SSV-PPV and being able to upgrade to the PPV brakes would be appreciated.
  8. gpracer1

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    I have not even made the first payment on mine, LOL. Still have one month, but already modding, waiting for my tune in the mail.
  9. gpracer1

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Just put mine in 10 minutes ago......looks nice but I have 1 bulb leftover????
  10. gpracer1

    Is mine the only one?

    Yours not the only one..... My passenger side is broken, my brothers 2012 has both broken. Every tahoe I looked at before buying mine had one broken or starting to come apart. There is actually not that much info about it on the web. I would like to see a thread on how to reinforce it with...
  11. gpracer1

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Sorry.... 99 and older came with an older style PCM (computer) that you couldnt do that much to it. The 0411 (part of the part number) PCM is from the newer 2000+ Chevy vans that still had the 5.7 Its very close to the one in my 01 vette. With the 0411 you can tune way more things than the old...
  12. gpracer1

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    I put an 0411 pcm in the OBS. Put the tune on that, added tow haul mod too!!
  13. gpracer1

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Oh heck no!! I’ll be installing the same day it comes in my email. I already own EFI Live and have it on my vette and obs hoe, so it’s easy.
  14. gpracer1

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Just logged, sent and paid for my B.B. tune.
  15. gpracer1

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Installed LED fogs and low beams....they sent me the wrong high beams, installed air aid jr, cleaned the entire truck. Just bought this 2013 LTZ 4x4 a few days ago. Now to email BB tune. Guess I’ll have to change my sig pic now.
  16. gpracer1

    What did you do to your OBS GMT400 Tahoe/Yukon Today?

    Yanked the stock exhaust manifolds and installed long tube headers.
  17. gpracer1

    OBX Stainless Long Tube Headers, Doin It

    Ok, got em back from the ceramic coater two weeks ago. Today I decided to install them. Passenger side went on no problem just like any other header. Whoever the f¥<k built the driver side should be shot in the head with my .45!!! First off, the collector points towards the outside of...
  18. gpracer1

    Massive hesitation, SES light flashing :(

    "I notice water/coolant on the intake around the thermostat housing and rear of the compressor. Look in rad and I cant see anything. GF said she never saw the temp go up... FML" That part would bother me.
  19. gpracer1

    What did you do to your OBS GMT400 Tahoe/Yukon Today?

    Sorry man, I'm in mexico on the beach. Just towed the 7000 lb beast.......P0327 knock sensor code.....:blah:
  20. gpracer1

    What did you do to your OBS GMT400 Tahoe/Yukon Today?

    Just installed some rear airbags.......no more saggy azs when towing the travel trailer.
  21. gpracer1

    E-Fansetup must have! Temperature Sensor fitting!!

    I have had efans on every vehicle I own, lots of different setups. I can honestly say that you would be way better off saving all that money on those parts and get a tune instead so you have better control over temps, on off speed settings, no leaks/intrusive work, etc.
  22. gpracer1

    What did you do to your OBS GMT400 Tahoe/Yukon Today?

    http://tahoeyukonforum.com/forum/showthread.php?t=51168 Pretty much this thread.
  23. gpracer1

    What did you do to your OBS GMT400 Tahoe/Yukon Today?

    Installed a NBS master cylinder .
  24. gpracer1

    How to: NBS master cylinder swap for firm brake pedal

    Just did mine, we shall see how it feels towing the 7500 lb travel trailer .
  25. gpracer1

    What did you do to your OBS GMT400 Tahoe/Yukon Today?

    Painted and installed a pillar pod, moved my trans temp gauge into it and installed an LC-1 wideband into it too. Also replaced the recirc door actuator.....again.

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