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dvzzz

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Everything posted by dvzzz

  1. dvzzz
    Did you order a Duramax? I cannot think of a better engine that GM offered on Tahoes.
  2. dvzzz
    Resurrecting the thread a bit. My question is if the first oil that is installed by the factory is not regular off-the-shelf oil. I know first filter on my two 5.3d were different from store or dealer sold filters. I am thinking if the factory fill contains anything that helps with the break-in. Has anyone done any oil analysis on the 3.0 factory fills to see if they use regular oil or not? If break-in oil is in, I would guess it is beneficial to let it run longer.
  3. dvzzz
    These are 1 month old all-weather liners from the 2020 Tahoe in black color. Genuine GM OEM products offer precise fit and high quality finish. We have traded the car for 22 and did not get to use the liners. They cover first and second row. I was told they fit 2015-2020 Tahoes and Yukons and even Escalades First row- GM part # 84185470 Second row - GM part # 23237406 My price is $90 + actual shipping. I have paid $260 for them. My loss is your gain. Tahoe, Suburban, Yukon
  4. dvzzz
    yes, still for sale. PayPal but only F&F. You can see my feedback on eBay, my id is dvzzz. I am not there to scam anyone.
  5. dvzzz
    sold
  6. dvzzz
    Dropping to $499 including shipping in cont. US.
  7. dvzzz
    @Grumpy Bear thank you. I found one interesting fact today while trying to troubleshoot. I just went for a long drive and logged again. While logs shows few KR events, up to 4 degrees. There was no audible pinging, same tank of fuel, same load, same route. What was different - the outside temperature, it is finally cold in NC, outside temp was ~42. I could not hear a single pinging event, before it was very audible almost all the time. What sensors might be to blame here? I thought maybe active shutters on Tahoe do not open fully but temp gauge does not show overheating ever. Is MAF also a temp sensor?
  8. dvzzz
    Good time of day- the graph below shows both spark timing advance and total knock retards. Are these timing advances normal?
  9. dvzzz
    Dropping the price to $499 + shipping.
  10. dvzzz
    Good points and: 1) catch can from day 1 and it does catch but not water or milky stuff but oil with some fuel in it 2) plugs look OK 3) it consumes with Mobil 1 EP but not more than 1/3 of a quart over 4500 miles and zero consumption with Rotella Gas Truck 4) CRC Intake Valve cleaner was run through the intake 4) did not check the compression
  11. dvzzz
    SOLD The kit includes our billet aluminum check valves. If you are generating more then 12# of boost, you should opt for our high performance check valve. You will only need one to go on the intake manifold side of the system. The other side will still utilize the standard check valve. The Standard hose is Gates Push-Lok. This is a high quality hoses cut to fit Tahoes, Yukons, etc. You can replace hoses for $10 to get different lengths. https://rxcatchcans.com/ols/products/tracy-lewis-signature-series/v/TLP202
  12. dvzzz
    Indeed, I can hear it, I pay attention to my truck, in fact too much attention, I baby this machine, perhaps better to gun it down and drive like a maniac that will keep the plugs clean, IVD burnt off and oil pressure up. It is very irrational that I like GM products, my Yukon was a Lemon, this one it generally OK, some rattles and pinging. These full size trucks do drive nicely on highways and they are SO quiet that I can hear pinging very clearly.
  13. dvzzz
    Understood. The most annoying part that it happens at the exact crusing RPM and if I tip in to maintain speed it happens almost all the time, to avoid it I have to press harder to downshift breaking the cruising.
  14. dvzzz
    No codes ever, not even short-term. What concerns me that it pings even on 89 sometimes.
  15. dvzzz
    Hope someone can help me troubleshoot it. 2020 Tahoe LS with 5.3, 6-speed, 31K miles. I have tried Exxon, Mobil, BP, Shell 87 gas. On 87 and often on 89 truck pings on highway trips, I am cruising 65-70 MPH, engine is always hovering around 1800-2000 and when I am trying to maintain the speed or add just a bit of throttle uphill it pings for 1-2 secs and then it downshifts and no pinging in the lower gear but once again at 70 MPH crusing around 1900 RPMs, if I am to touch the throttle it would ping/lug. With 89 it happens less, with 93 no pinging. I run Mobil 1 EP, Shell Gas Truck, Valvoline Modern Engine oil with the AC Delco filter. Change oil every 4500 miles. Dealer, of course, " cannot reproduce the issue". This truck is designed to run 87 fine and many many on these forum run 87 with zero knock issues, in my case, unless I run 93 it pings. Pinging is bad, thus what can I do to get the dealer/GM to accept the issue and fix it? With gas prices at $4.50 for 93 grade, it is now very noticeable to fill up as Regular vs. Premium is $1+ spread. Appreciate thoughts. Here are the logs from September for Knock ****** events. The CSV file is here as well Driving Logs with Knock events
  16. dvzzz
    Still for sale, folks.
  17. dvzzz
    Yes, I have added GM fit table for completeness.
  18. dvzzz
    @Yotaman I sure do, it is Kicker PSUTA15 https://www.kicker.com/PSUTA15
  19. dvzzz
    I do not think so, Bose already has a sub somewhere in the truck. You can check here. Punch in your VIN to determine https://accessories.chevrolet.com
  20. dvzzz
    CHEVROLET TAHOE GMC YUKON AUDIO UPGRADE, KICKER® 200 WATT AMPLIFIER AND SUBWOOFER SYSTEM GM part 19355507 Kicker part PSUTA15 Brand new never used or open GM Genuine OEM Accessories Amplifier and Subwoofer system made by Kicker for Tahoes 2016-2020 and many other GM trucks. ( Please note this is the not the cheaper Sub only kit but rather full audio upgrade system with amplifier, DSP and all parts, Retail rice at dealers is $1300. Part # 19355507. Please check gm accessories site for compatibility. It retails for $900-$1300 new on eBay and at dealers, I paid $930. Selling for the price of $625+shipping. The parts are sealed and never opened. I bought it for my 2020 Tahoe, but I do not have time to install it. It is plug and play according to GM.
  21. dvzzz
    Genuine OE GM GMC Mud Flaps Splash Guards for GMC Yukon. I bought them for Yukon that was traded in for Tahoe. I assumed they would fit Tahoe but they do not. So assume they are for GMC Yukon only. Year 2015-2020. Please note that I had peeled red cover tape from one guards to see if the guard fits and tape was reapplied. For that I am significantly discounting these. They retail for $50 plus shipping. Selling for $20 plus actual shipping. My loss is your gain. Help protect your vehicle from mud, gravel and road splash with GMC Accessories Splash Guards.
  22. dvzzz
    I am with @Grumpy Bear and @Bob2C - ATF change is a good way to keep the transmission running cooler. Since even labs cannot tell Amsoil from GM-approved Dexron VI fluids then Amsoil is a good fluid to flush with and then do partial changes every 30K miles. I did change ATF in my 2018 Yukon with AC Delco Full Synthetic at 12K miles and it did not seem to help with somewhat roughER downshifts. I am sure that AC Delco fluid is perfectly useable but as @Bob2C mentioned with Amsoil his transmission shifts noticeably smoother.
  23. dvzzz
    Is it correct that oil analysis shops cannot determine if fluid is Dexron VI or not based on specific additive presence? If this is true than this is game-changing for entire aftermarket fluids. My dealer said they can easily determine Dexron VI vs III and Dexos or not. Sent from my iPhone using Tapatalk Pro
  24. dvzzz
    Yes, warranties - I would not bring it up, it is impossible to get warranty enacted by an average owner once Amsoil fluid is in the truck as it is prohibitively expensive (lawyers and tech experts on your dime) to argue with GM when transmission fails, GM will do oil sample, determine it is not Dexron VI, the warranty is void, and they can't care less about M-M law and Amsoil ATF is not actually under M-M law since it is not specified fluid, M-M law is long dead anyway, ask the Lemon Attorneys, they will confirm. I lived through that on 2018 Yukon and learned first-hand that M-M is dead and manufacturer's warranty is really there for catastrophic failure on a fully stock vehicle. Getting Amsoil warranty to pay for a new transmission - they will push the burden on you to prove that fluid caused the failure and the same cost challenge, you would need an attorney and tech expert to certify that fluid indeed caused the failure. Basically neither OEM warranty nor Amsoil warranty should be considered once you put Amsoil in.
  25. dvzzz
    Interesting topic. I would go back to that transmission shop and probe more about specific concerns. I know of 2 people that use Amsoil ATF in Dexron VI-specified transmission and no issue, but none of them are over 50K miles on it. Older transmissions are very forgiving, but 2016+ GM ones are quite prima donnas. I always felt generalized one-for-all approach to ATF is interesting but then again I do not know what makes Dexron VI specification. There could be special additives for electronics protection. Someone on BITOG made a point that Dexron VI is different from Mercon V and ATF+4 and they are not interchangeable. There is truth to the fact that they are marketing certs but I am sure they are not exactly the same additive packages.
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