Recent content by wsteele

  1. W

    Oil consumption between changes

    Frankly, it seems unacceptably high from my point of view (although I suspect your dealer would tell you it is within spec for now). I haven't read about oil consumption issues with Amsoil products, but I don't go to a lot of other forums. I will say that a long time ago, I used to road race...
  2. W

    2021 Denali - lifter replaced now camshaft

    Frankly, from what you describe, it sounds like your dealer actually doesn't know what they are doing. Based on what you describe, it sounds like they did something wrong with the first lifter swap (like maybe using the old lifter trays or even aftermarket lifter trays, perhaps to get you out...
  3. W

    2021 Tahoe 6.2

    My 2021 Sierra AT4 does the same thing, all quite normal. These things start spooling up as soon as you open the drivers door and spool down pretty long after you shut the engine down. Heck, even my 2007 Yukon starts spooling up when the drivers door is opened, I can hear the CD reader in the...
  4. W

    Tech 2 Scan Tool - Clone - SOLD

    I am selling my Tech 2 Clone. This unit includes the Candi interface unit, a 12V cigarette lighter power cord, a 120v power supply, various ODB adapters. etc. This unit will interface with Tahoe, Suburban and Yukon models between 2007 and 2013 and contains GM firmware 33.004. I bought it new...
  5. W

    What oil brand & type is GM putting in our 5.3L SUVs?

    The same analysis (wish I could find the link), rated the Walmart Supertech as equivalent to the Kirkland. When I looked at the individual line items, they were almost identical, close enough I suspect they are the same oil from Warren with just different labels. The Amazon Dexos Synthetic was...
  6. W

    What oil brand & type is GM putting in our 5.3L SUVs?

    I agree. I saw a report done by one of the oil analysis companies on the product Warren Distribution makes for Costco's Kirkland Brand. It is on par with any premium brand available today. I used Valvoline Synthetic and WIX oil filters (actually Napa Gold, but WIX nonetheless) for decades. I...
  7. W

    2022 Z71 Suburban 6.2L bent lifters

    On another board a guy who works at the Tonawonga Engine assembly plant (and also owns a 2021 Silverado with a DFM engine) was the first guy I saw who posted about the bad batch of lifters and the cut-off date. He went on to post how to tell if the engine was built in the window of where the...
  8. W

    Anyone Having Repeat Issues With A 2021 Tahoe/Yukon/Escalade After Replacement Of ALL Lifters?

    Lifter trays are one of the most critical elements. One of our most experienced and knowledgable members decided he was going to delete his AFM system (earlier model year Denali) and replace it with conventional lifters (non AFM) and a cam that work with the conventional lifters. The retailer...
  9. W

    2022 Yukon XL V8 vs Diesel

    Here, Premium is almost always less than Diesel and the upcharge for Premium is rarely more than 10% over regular, usually less than 10%. I think if people shop around they can get the difference down to maybe +5% for Diesel over Premium, but if you just pull off the highway it might be as much...
  10. W

    2021 Yukon AT4 - air ride issues?

    Very strange, as they look folded up, which would be the right position when all 4 doors are closed. Does the step motor just keep running after the doors are closed?
  11. W

    Swapping exhaust on a Denali 6.2: who here kept their old one/how?

    Understand, but I think I will just stick with the stock unit. It doesn't sound quite as nice as the Borla Touring, but it is fine. I drive like granny anyway. :)
  12. W

    2nd time Lifter Failure... 2021 Yukon AT4

    There is a pretty good possibility it is, but the only way to know for sure is the engine build date. It is on a sticker on the back of the driver's side cylinder head in julian date format. It contains the alpha code of the factory that built the engine, the shift it was built on, the Julian...
  13. W

    Swapping exhaust on a Denali 6.2: who here kept their old one/how?

    Thanks for chiming in, hearing people mention the drone on the GM Performance exhaust (everything I have read also confirms it is the Borla Touring) pretty much puts the nail in that coffin for me. I guess I wasn't all that good a candidate for an aftermarket exhaust afterall. :)

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