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  1. Jeff_

    What did you do to your 2015-2020 K2XX Tahoe/Yukon Today?

    Finally got it tuned. By my buddy Ryne Cunningham of BRC Raceworks. Drives much smoother, accelerates much cleaner. Transmission shifts feel better. Noticeably makes more power. As a result, my Range AFM disabler is for sale now...
  2. Jeff_

    Range Active Fuel Management (AFM) Disabler

    Selling my used Range Active Fuel Management (AFM) Disabler. I was using it on my 2019 Tahoe for the last year but finally decided to tune it to disable it, so I have no use for this now. Bought new for $221. Looking to sell for $150 obo. It looks brand new. Still have original packaging...
  3. Jeff_

    Biggest tire on stock 18" rims, without lift

    I have a 275/70/18 on the stock wheels with Bilstein 5100 leveled. No Rubbing.
  4. Jeff_

    What did you do to your 2015-2020 K2XX Tahoe/Yukon Today?

    That mile high life in, I'm assuming, Denver Colorado. That elevation doesn't need as much octane.
  5. Jeff_

    What did you do to your 2015-2020 K2XX Tahoe/Yukon Today?

    Yeah here in Scottsdale they plug into the obd. Which is annoying. They plugged in and rejected me and gave me a print out that stated "evap system not ready" and "o2 sensor not ready"
  6. Jeff_

    What did you do to your 2015-2020 K2XX Tahoe/Yukon Today?

    Went to smog it this morning after unplugging the range AFM disabler last night. Apparently didn’t drive enough miles for it to be “ready” to be smogged. I’ll try again tomorrow after driving 50+ miles today. All this smog crap is such a joke. Can’t wait until I mechanically delete the AFM...
  7. Jeff_

    What did you do to your 2015-2020 K2XX Tahoe/Yukon Today?

    Good stuff! Also impressed you were able to get the pan off without removing the exhaust.
  8. Jeff_

    What did you do to your 2015-2020 K2XX Tahoe/Yukon Today?

    It'll like the E85 for sure. Fuel economy dips a bit, but it'll run smoother. I put a full tank of E85 through my Tahoe every few months. Seems to kind of clean things up a bit.
  9. Jeff_

    New to Suburbans

    Don't think this feature exists on the K2XX's
  10. Jeff_

    2015 AC Only Cold When Driving

    After chasing a/c issues for over a year on my other vehicle, I'd suggest taking it to a reputable a/c repair shop and paying ~$150 for them to diagnose the issue and then either pay them to repair it, or repair the part yourself (if capable). To me, I finally gave up and paid a shop diagnose...
  11. Jeff_

    Fuel injection maintainance

    I only run my Tahoe on Chevron, Shell, Sinclair, or good E85. Seems to be doing me well for over 106,000 miles.
  12. Jeff_

    What did you do to your 2015-2020 K2XX Tahoe/Yukon Today?

    Appreciate the information. Header install on my 5th get Camaro was a breeze. But the clearance on the Tahoe seems much tighter so I'd imagine it's a pain in the ass coming from the top or the bottom. (I assume bottom) Apparently the headers for the 2019 cost $1000 more. No clue why that's the...
  13. Jeff_

    What did you do to your 2015-2020 K2XX Tahoe/Yukon Today?

    Sounds great. How much were the long tubes and how hard was the install? You 4WD? How's it sound at WOT? I really want to add headers to mine at some point.
  14. Jeff_

    Show off your 2015+ leveled Tahoes and Yukons!

    Love the lines on these Tahoes. 1.75” level with 5100’s
  15. Jeff_

    Road trip MPG, 2019 Tahoe

    Nice. I just drove 4200 miles round trip in mine up to Banff Canada, areas of the PNW, and back. Averaged 19.2mpg but I also set the cruise control at 87-89mph on Interstate 15 from Vegas to Missoula Montana (and the same on the way back). And I have AFM disabled. So not bad for being loaded...
  16. Jeff_

    Buzzing sound from center console 110 outlet

    Just curious if anyone else experiences a slight buzzing sound coming from the outlet on the center console when charging a laptop. I can’t imagine it’s good so I try to avoid it. Wife’s laptop is a MacBook Pro and it uses a 96w power adapter so maybe it’s pulling too much power and that’s why...
  17. Jeff_

    What did you do to your 2015-2020 K2XX Tahoe/Yukon Today?

    Drove it up to Banff, Canada. Checked out Lake Louis. Amazing stuff. Hit and killed a bird on the way back to Idaho. It’s inside my grille and I’ll have to wait until I get home to Arizona to disassemble some parts to remove the dead bird.
  18. Jeff_

    What is this part on the cat/downpipe

    The California Cat is what that's known as. Useless 3rd cat for California emissions crap.
  19. Jeff_

    2019 Tahoe transmission service at 28k miles

    How difficult was it getting the entire pan off? I normally always just take all the bolts out and tilt it down and use paper towels to get the rest of everything in the pan and take the magnet out and clean it etc
  20. Jeff_

    Need Advice - 2018 Yukon Denali - needs new engine

    You should name and shame that dealership. $22k for a motor? It better be a built. high hp 427ci going in lol Realistically, should be like $8k for a motor.
  21. Jeff_

    What wheels specs and tire size?

    5100's are much nicer than the stock suspension in my opinion. Stock 18" wheels with a 275/70/18 BFG KO2. Stock spring I my case. Maybe if you're changing your spring that's where you're getting a quote of more height increase? Just look into what else might need to change if that's the case -...
  22. Jeff_

    What wheels specs and tire size?

    5100's will raise the front 1.75" to 2" in the front, zero inches in the back. Just fyi, as I installed them on mine.
  23. Jeff_

    "Integrated" Subwoofer Options

    https://www.shopchevyparts.com/electronics/2019-tahoe-audio-upgrade-kicker-200-watt-subwoofer-system-without-iob-nkc/19355506-p-92304825.html This is what I got. Great unit, very easy install. Great sound for its size especially since its tucked away out of sight and keeps things stock looking...
  24. Jeff_

    What did you do to your 2015-2020 K2XX Tahoe/Yukon Today?

    Oil pressure.
  25. Jeff_

    $79 bucks for an AFM disabler = drive better AND better gas mileage?

    Very false. I have the Range AFM disabler and it just tells the car to stay in V8 mode. I have full normal use of all gears in my 6L80. I'm going to eventually have the AFM mechanically deleted but that's a lot of money to have it done right by a good performance shop near me, so that'll come...

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