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  1. gpracer1

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

    It seems they used fluid filled motor mounts for a reason. I can now totally feel the engine idle like it a bit "rougher", after installing driver side Hummer mount.
  2. gpracer1

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

    Which one? weather beater or xact fit?
  3. gpracer1

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

    Just replaced the drivers side motor mount in the driveway in the dark, 1 hr 20 min. No more thump.
  4. gpracer1

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

    Thanks guys, ordered. I would have looked it up but I got home late and work at 4:45 am so I ran out of time last night.
  5. gpracer1

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

    No more stabbing the go pedal for a bit.....popped a motor mount on the way home tonight. Anyone have the hummer part number handy?......gonna order tonight.
  6. gpracer1

    Colder plugs for 6.2. Help.

    Preignition can be signs of carbon buildup. Time to do a sea foam upper engine clean, sucking in fluid directly into the intake. Google it. Then run a tank of premium with either sea foam or Techron concentrate.
  7. gpracer1

    Trim package help

    LTZ can have either bucket or bench second row. I needed bucket to put long stuff in the back, took me a while to find what I wanted. Don’t be impulsive, wait till you find what you want.
  8. gpracer1

    Front A/C problems

    No reply from the original op on fix?
  9. gpracer1

    Husky floor mats

    Which one of the Husky is better, the Weaher beater or the Xact fit?
  10. gpracer1

    2012 Tahoe Strange Drivetrain issue. Traveling; need Help!

    Sounds like a torque converter slipping or getting kicked off by misfires. When my 99 had misfires detected it would disable the TC lockup for a bit.
  11. gpracer1

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

    Looks like AJ or GC ranch
  12. gpracer1

    Engine light P0121

    YouTube it and do it yourself for $5
  13. gpracer1

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

    Sold my red 99.....guess it’s time to change the pic.
  14. gpracer1

    Useless Information

    Any update? I checked my last log run and at about 88 degrees and cruising at 70 I was about 39-43 degrees timing. Only have little KR on shifts or a blip here and there above 5000 rmps (may be noisy engine cause). I dont have my wideband setup on it yet to check the AFR at WOT.
  15. gpracer1

    Engine light P0121

    You can try cleaning the throttle body with carb spray first. You may have to do an Idle relearn or just drive around for about 50 miles. Or the TPS sensor is going bad.
  16. gpracer1

    Loud cooling fan

    As far as I know there are only 2 speeds. Check your glove box RPO codes, if you have K5L like mne, yes it’s loud because it’s cranking some air.
  17. gpracer1

    Fog light upgrade who has yellow or improved the fogs from stock to better lighting

    On my 13 I installed Lasfit 6000K LEDs, no problems and they put out good light.
  18. gpracer1

    Performance Math

    I actually prefer hard copy books when trouble shooting. Easy to flip pages with dirty hands. Ipad or PC is nice since it can hold a library but finding a page can be a pain.
  19. gpracer1

    A/C Blower Motor problems - DO NOT LEAVE VENT OPEN CARWASH

    Almost sounds like a line from "Training Day"
  20. gpracer1

    Performance Math

    Haha, Im “only” 47 years old. Damn, I got my Master ASE in 91, over a 1/4 century ago.
  21. gpracer1

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

    I use Waze every mile I drive, plus the Max360 radar detector with the Escort Live app.
  22. gpracer1

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

    It may have helped had you hit the donut shop FIRST and had a box lying on the seat with your DL and reg/ins on top.
  23. gpracer1

    Vararam Tri-Power Install and Review

    I would love to log a 0-130 mph run, then install the tripower and do another 0-130 mph run and compare the two runs data.
  24. gpracer1

    Performance Math

    Darn, I was hoping it was a PDF we could download for free.
  25. gpracer1

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

    Im on a radar detector forum, been doing that for a while. If they IO you "instant on" you are toast in .2 seconds. My K band gun is instant, laser takes about a second or two. Have laser jammers on my vette, it works as tested by 4 lidar guns. Best chance is they leave it CO, constant on....I...

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