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  1. MarvinVR

    Im old--no haters please I need BRAKE INFO and have an idea for this site

    Ive searched for hours about upgrading brakes on my 2012 tahoe. Many posts. Much info and misinfo This is a BIG subject. An important one. Have I missed this in here? I think (if we dont have it) an entire thread just on brakes. I have questions: 1. Does my tahoe even need an upgrade? (Ive only...
  2. MarvinVR

    Dongle questions, have a delete to plug in

    Sorry--Ive looked a lot but cant find the question or answer. O got the AFM delete to plug into the dongle but I already have a GPS tracker in it--tey make a spliiter with two interfaces. Can I run both without a problem?
  3. MarvinVR

    Cman I use a dual dongle cable for AFM disabler AND a GPS tracker at same time?

    I tried this in another ctegory but noone answered 1. My AFM disabler just came and it ocurred to me that we already have a tracker in our dongle. I know they make a double dongle harness. Will the disabler work if also in line with the tracker gps? 2. Who the heck named that thing and why did...
  4. MarvinVR

    Need help with my Dongle. Can use AFM delete AND a tracker? w double dongle cable?

    1. My AFM disabler just came and it ocurred to me that we already have a tracker in our dongle. I know they make a double dongle harness. Will the disabler work if also in line with the tracker gps? 2. Who the heck named that thing and why did the name originate? There is an answer try not to...
  5. MarvinVR

    OK 5th gear avoids AFM but what about just staying in 4th for around town under 45 mph?

    I asked ChatGPT (I know I know) about every way possible to extend tranny life. He said to help them with their makeup----LOL But seriously folks, Here is what Chat said about staying in FOURTH around town. The 5.3L Vortec does have a respectably wide power band compared to older...
  6. MarvinVR

    Thinking of buying used? Go here.

    CARCOMPLAINTS.COM sarch by years to see which years had the most/least complaints. Thats how I chose a 2012
  7. MarvinVR

    [SOLVED] Someone said a symbol shows when engine cuts down to 4 cyls? Not on mine??

    I aint never done seed no 8cyl 4cyl icons on my dash. Its a 2012. Am I supposed to when its working? (I hope that could mean its not coming on with no bad code showing but God doesnt love me enough for that)
  8. MarvinVR

    This old thread about setting up dual bateries--need explanation

    https://www.tahoeyukonforum.com/threads/dual-batteries-installation.100955/ Ok Im not up on that stuff but what if you want one battery to stay charged but ONLY be used by accessories? How about if you want it to be able to start the truck as replacement should the primary battery croak? If...
  9. MarvinVR

    How many features can be re-programmed in these trucks? Is there a list?

    As I peruse these topics I see mentions of many different things being programmable including even the emergency flasher into a strobe! I see many conversations and opinions about how to tune trannies, timing, God--on and on. Does anyone have a list of EVERYTHING that can be reprogrammed on a...
  10. MarvinVR

    Found an engine upgrade--will it just swap in?

    https://www.autoevolution.com/news/the-most-powerful-v8-crate-engines-you-can-buy-218486.html
  11. MarvinVR

    OLD wrencher NEW to site. Newest car Ive owned 2012 Tahoe

    Im 71 When I was younger I owned many new cars and I mean a lot of them. Thats why Im not retired now LOL money went up in smoke--tire smoke. Had a 69 transam (see phot) 69 Z28 69 SS, 72 gmc step 85 chev step Buicks, caddys, mopar cuda, chevelle, Ford F350 long bed crewcab superduty, cavalier...
  12. MarvinVR

    AFM! Good? Bad? Here is a lot of research

    LOT of AFM RESEARCH
  13. MarvinVR

    AFM... to retain or to delete?

    Here is all I can find using AIs to decide if I should delete the AFM feature, which is another of GMs crapppy ideas. Was happy to just buy a $49 delete module now have no idea what to do. My research is about 15 pages, Id like to know what you all think. After typing that I found this nd now am...
  14. MarvinVR

    Just bought a 2012 Z-something Tahoe and may have lied to by dealer? An engine idle thimg.

    OK So Im 71 --an old wrench and in the 70s used to tune my 350s so well you could stand a nickle on its edge on the air cleaner. Had many cars from many makers all these years but never new ones, always good used. Never had a 5.3 chevy block. So I get a helll of a deal I thik, 2012 ZR1 loaded...
  15. MarvinVR

    New ZR1 Tahoe owner want advice about noise

    Just got a 2012 ZR1 with 116,000 miles. except for light carpet stains looks almost brand new. Exterior almost 100% Got it from a dealer for $11,350 out the door---is that good? Complete service history on it from the same dealer who sold it to the owner then took it back in trade or a new...

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