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  1. J

    Z55 front shocks bad?

    How do you tell if the front shocks of a Z55 suspension are bad? 2011 Suburban LTZ. I Have K02 tires that are 3k miles old and the fronts are cupping. Alignment was done when the tires were put on and running a front 1.75” level with the ride height brackets to keep them correct. The truck has...
  2. J

    Diablosport i3 worth it just to raise idle

    2011 5.3. I got the i3 with the main purpose to disable AFM and raise the idle. Raised the idle 100 RPM and now at idle it is super smooth, no more hiccups while sitting at a light. I am just using the 87 tune for now, may install the 'firm' transmission tune as well. but so far it is working...
  3. J

    AirLift 1000 installed but bags are creased

    2011 LTZ *factory air ride removed* Bilstien 5100 shocks and Moog 81071 springs. Stock rides great but when I hooked a large trailer to it, it was dragging its ass. Being I RARELY pull a trailer and dont want the HD springs back there for every day use, I install the AirLift 60769 kit for the...
  4. J

    2011 Suburban/Door Hinge Spring

    My door hinges are in good shape but feel like they dont hold all that well when open. I would like to just replace the springs in the hinge but cant find one for the GMT900. Does anyone have a part number? The ones I found are for older models but not sure if they will work. Would like to...
  5. J

    2011 Suburban LTZ W/autoride question

    Just picked up this suburban and the rear pump is not working. Pulled the fuse and there are no lights on the dash. I raised the front 1.5” and then it looked a little nose high so I added a .75” spacer in the rear. The rear has the air shocks obviously not inflated (I guess since the pump...
  6. J

    Lowering rear to level with stock duratracs?

    Has anyone leveled their custom midnight by lowering the rear? I leveled by raising the front and the wheel gap looks off. I don’t want bigger tires because gearing. Any off-road I do is light, no rock crawling or anything but sometimes does require all terrain tires. I think lowering the...
  7. J

    Range AFM disabler; I dont need it anymore

    I guess I dont have enough points to post a classified add, but if anyone wants this thing, I am going with a tune and no longer need it. $150, located in Raleigh NC, can ship for actual cost. should be able to fit in flat rate box. I purchased it Aug 2nd 2020, and used it on my 2019 tahoe...
  8. J

    OEM Plug in sub location without sub

    I've got a 2019 LS with the standard stereo (no subwoofer) In the jack storage area there is an unused plug, is this for the factory sub? Can I pull an audio signal from this plug to add a sub? Anyone have the pin-out?
  9. J

    2019 Tahoe and 2019 Silverado Exhaust

    does anyone know if they use the same exhaust setup? Looking at this muffler delete pipe but says only for silverado. https://afepower.com/afe-power-49c44121nm-apollo-gt-series-3-409-stainless-steel-muffler-delete-pipe

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