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  1. mikez71

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

    Mine's light cashmere color. I feel the 3 positions are very good! All the way back gives me enough space that it doesnt support my head on acceleration, but I can stretch. Even the middle position is better than stock and is more relaxed while being able to provide some acceleration support...
  2. mikez71

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

    Got my 3 position headrest in today! Unfortunately they're not in great shape, not taking pics yet. Hoping the foam expands back after a couple days. Been shrink wrapped together so there's rail indentations and wrinkles.. Button surround is cracked on one too.. But the reduced angle is...
  3. mikez71

    Gas Cap Question

    My 2012 e85 cap seems super loose, it clicks with what seems like 1/4-1/2 turn. First click right? Feels like the weight of the cap is about as much pressure will be exerted on the seal... no codes yet!
  4. mikez71

    '12, '15, '17 Tahoe 6l80 3.08 shift schedule comparisons.

    Took it for a drive.. I kind of like the 2015 pattern more for puttin' around.. Might blend em a little. 2017 isn't bad.. just feels like a little bit of tow mode on light throttle.. more aggressive, but revvier in the low gears.. winding out a little more at spots in the 1-2 and 2-3 for...
  5. mikez71

    Flickering lights

    Left side is driver side.. at least here in the USA..
  6. mikez71

    Wishful Thinking? (2014 Transmission)

    Well maybe, maybe not! I haven't seen it myself, and there are no numerous claims, so maybe it's just shills. At the bottom is an excerpt where someone claims it, also this company selling a bypass kit, so take it with a grain.. "The OEM part has restrictive internal passages. When the OEM...
  7. mikez71

    Door open sign is always shown in dashboard.

    How weird. They have seperate signals to the BCM. (Body Control Module) The fronts interface with the their respective door switches (modules) that communicate over the network. The rears have their own signal inputs to the BCM.. And there are different ground zones so I don't think it's one...
  8. mikez71

    Wishful Thinking? (2014 Transmission)

    The thermostat can stick and cause problems. Our models shouldn't have one, I believe it's the next generation that got the thermostat. The later years are more updated/better, but if there is something specific to mid-2014? I don't know. Perhaps the new pickups that came out that year and...
  9. mikez71

    Phoenix Technologies Tesla entertainment system Good bad or indifferent.

    Never heard of it, but I'm not into in car entertainment. (Sit there and b bored!) Might want to post a link for others. ?
  10. mikez71

    6.2 ls3 GM performance crate engine

    Except for 1st gear :) I haven't driven anything other than my 3.08 geared 5.3 beast so that's where I'm coming from :)
  11. mikez71

    2007-2009 front panels will swap into 2010-2014s

    Dang 07-09 has a smaller door pocket? But the 10-14 have a big bump blocking the pocket. GM really doesn't want you to use the door pocket.
  12. mikez71

    Right Turn Signal turns on High Beams???

    Don't know how hard, but I bet it's not too bad... This is the part that shows up on rockauto for 08 yukon xl 1500 5.3 https://www.rockauto.com/en/moreinfo.php?pk=1036427&cc=1441037&pt=4832&jsn=997
  13. mikez71

    ECU software

    Looking at '09 PPV tune vs '08 sub/yukon certainly tweaks.. Don't know if there was a different OS for 07-08 vs 09? 09 ppv shift schedule 08 yukon 5.3 shift schedule (closest comparable file, same gear ratio, same engine) Don't have a '10-'13 ppv tune to look at.. '15+ no real changes...
  14. mikez71

    '12, '15, '17 Tahoe 6l80 3.08 shift schedule comparisons.

    updated! Might add 5th and 6th, but they aren't as fun to look at without all the gears being on the same page.. Maybe I will copy them into the 1-4 tables so they can be viewed together.. (2013+ tunes layout has 5th upshift, 5th downshift, 6th upshift, 6th downshift on separate graphs, hard to...
  15. mikez71

    HP Tuners additional changes?

    Yup, hoping the bump in upshift speeds at low throttle will help it from shifting early when easing off the throttle such as entering a turn or just slowing temporarily. That's what I'm most excited about.. Have bumped those speeds myself, but sometimes forgetting to reset adaptives and...
  16. mikez71

    Passenger side steering rack bushing? replacing

    Just replaced with a factory one today.. Looking at the old and new, you can't tell any difference.. The rack end slid through pretty easily with not a whole lot of tension/resistance. Unfortunately I STILL have an occasional clunk.. probably balljoint.. only happens when full lock left turn...
  17. mikez71

    HP Tuners additional changes?

    Weird, I assumed the 10-14 tahoes would have the same tcm, but the layout in hptuners is different for '10-'12 and '13-'14. The '13-'14 layout resembles the '15+ shift schedule layout.. I'm convinced the 2015 schedule is an improvement, as well as some other settings.. torque adder (shift...
  18. mikez71

    6.2 ls3 GM performance crate engine

    I could be completely wrong about that tcm, but I thought it was a stock GM unit and being that's the one shown for 10speeds.. That's too bad about the durability of the 10L.. Thinking about it more, I really don't need the performance and added cost/hassle of it as well... Axle swap and I...
  19. mikez71

    '12, '15, '17 Tahoe 6l80 3.08 shift schedule comparisons.

    had to tweak some 0% 2-1 downshift and 100% 3-4 shift to get the graphs to be on the same scale. So one number in each graph is wrong the lighter cells (8.14, 97.29, 97.29) The actual number is in the neighboring cell.(8.28, 95.94, 95.01) 2012 2015 2017
  20. mikez71

    6.2 ls3 GM performance crate engine

    https://www.powertrainswapsolutions.com/ Pretty sure they are including a standard GM tcm that you plugin.. Probably this.. https://www.hptuners.com/product/gm-t93-tcm-service-global-b/
  21. mikez71

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

    Oh yea, I've al I've backed into two things in the Tahoe. I'm pretty sure I never backed into anything before that. Head on sure, but not backing up! Parking assist doesn't help because it's too slow and I already learned to ignore it. (now removed!) Sideview mirrors can't see what the...
  22. mikez71

    6.2 ls3 GM performance crate engine

    Added a couple combos... 10L80 I used 4.70, 2.99, 2.15, 1.80 , 1.52, 1.28, 1, .85, .69, .64 10L80 x 3.08 axle: .... 14.48 ... 9.21 .... 6.62 .... 5.54 ... 4.68 ... 3.94 ... 3.08 ... 2.62 ......... 2.13 . 1.98 <------------------------------? 10L80 x 3.23 axle: .. 15.15 ... 9.66 ... 6.95 ...
  23. mikez71

    6.2 ls3 GM performance crate engine

    True, but if (when?) the trans goes out, I'll still have to address it... And, I'm thinking a 10l80 w/3.42 might perform better than a 6l80 w/3.73? (while costing more as well) When it breaks, I may just get the 6l80 rebuilt.. Just depends if I actually have $$$ at the time.. I hear you, it's...
  24. mikez71

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

    At least it does look thinner. The stock one protrudes from the seatback plane, the adjustable one looks about flush, though still angled forward. (possibly more even)
  25. mikez71

    6.2 ls3 GM performance crate engine

    I might like 3.73's.. But I don't think I'm gonna (make my lady) spend for it. Plus, she's gotta save up for that 10L80 and a motor once there's problems with either! Another reason, I'm lazy. Swapping an axle and front diff is enough for me.. I don't doubt for a minute what you're saying...

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