Recent content by Grady_Wilson

  1. Grady_Wilson

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

    Not my GMT900, but a friend's. It's a 2013 Avalanche, swapped both upstream O2 sensors and they both came right out. Zero drama like with my Yukon.
  2. Grady_Wilson

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

    I took a short drive and it seemed to drive much better. Will clear everything in the morning with my scanner. Thanks for the heads up.
  3. Grady_Wilson

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

    Just got done swapping both upstream O2 sensors. No codes, just 162k on the originals and I know older O2 sensors get 'lazy' and tend to not meter as well. Started her up and it seemed to idle a little smoother. We'll see if I get better drivability or more MPGs. Driver side was the one that is...
  4. Grady_Wilson

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

    Good to hear it was an easy fix and no permanent damage.
  5. Grady_Wilson

    My 08 Yukon is shaping up…..1st time moving on its own under a 1941 Cadillac body

    That looks fantastic.
  6. Grady_Wilson

    Engine Bay Cleaning

    I did mine last spring but not as detailed as this. Soon as we stop getting snow I will hit it again. Your engine bay looks great!
  7. Grady_Wilson

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

    Air that cold has pretty much zero moisture in it. Moisture helps cars to gain power because of how it affects combustion. That's why people uses to install water injection systems to run higher timing advance settings.
  8. Grady_Wilson

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

    Not if the moisture has been frozen out of the air. I have seen it look like you're driving through glitter at night when the moisture is freezing out of the air. That was at 0*.
  9. Grady_Wilson

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

    Yeah, mine runs a little rough, doesn't seem real smooth until the entire engine has gotten a little bit of heat into it. After that, it does seem to be slightly down on power but it has never died off throttle.
  10. Grady_Wilson

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

    Even though I do not have the stock headlights in my Yukon, I picked these up, because why not? I still have the OEM assemblies and these will go into those if need be.
  11. Grady_Wilson

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

    Last winter I had to start my Yukon when it was parked outside overnight and it was -17*. It started but ran a little weird for about 10 minutes.
  12. Grady_Wilson

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

    I've used R1 Concepts rotors on various vehicles for about 20 years now. Have always had a great experience with them. My one car still has a slotted / drilled set of their rotors that I installed back around 2004.
  13. Grady_Wilson

    Intermittent Burning Odor In Engine Bay

    Yes, filters can affect oil pressure due to differences in restriction from the filter media. Glad your situation was resolved.
  14. Grady_Wilson

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

    Dumped the trans fluid today. Magnet in the pan had the usual black coating but didn't have any sparkles in the fluid or on the magnet. I will probably do it again in the spring, just because.
  15. Grady_Wilson

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

    My goal is to grab some motors from a donor and rebuild them, install them and then rebuild the originals to have as spares on the shelf.
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