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  1. J5races

    Passenger Rear Door lock acting up

    I have noticed several time I can walk up to my locked 2018 Tahoe Premier and open the handle for the read passenger door and it isn't locked, door just opens and horn starts honking. I locked manually from inside and then door lock doesn't unlock with other doors. playing around it seems to...
  2. J5races

    Automatic headlights - Sensor adjustment?

    Hello all, When I go to drive my 2018 Premier Tahoe lately I start the truck up, then remove my Dash protector reflective windshield screen thing. The truck is in headlight night mode because the dash was dark. I understand that. But I can drive away and down the road and because its not super...
  3. J5races

    Service 80k mile 10 speed or leave it alone?

    I bought my seemingly cared for 2018 Tahoe RST from a Chevy dealer certified used about a year ago with 70k mi and added Whipple and put on about 10k miles since then. I assume the trans and front/rear Dif have never had fluids changed. With this milage would it be smart or foolish to have a...
  4. J5races

    3.5" Exhaust for 2018 Tahoe 6.2L?

    Anyone know of a 3.5" Stainless exhaust cat back kit for a 2018 Tahoe with 6.2L? I see MPRB sells a 3.5" kit for a Silverado but they said they dont make one for Tahoe. It looks like a few bends are missing on Silverado version. I dont have a TIG welder or any fab tools to mod it myself, does...
  5. J5races

    Calibrate Magneride?

    I have installed McGuahys (spelling is probably wrong), rear 2” drop springs on my 71k mile 2018 Tahoe premier with Magneride and the ride seems really rough now compared to before. Is there a calibration I need to do on the truck to get some ride quality back or maybe the rear shocks are just...
  6. J5races

    Rear Brake upgrade, worth it?

    I have 6 piston front brakes, has anyone upgraded their rear brakes and was it worth it over just the front? Im thinking of the CTS-V rear 4 piston brake upgrade jon
  7. J5races

    Whipple Gen V install on my 2018 Tahoe, Finally!

    Hello all, I have been dreaming of having a boosted LS (I know I actually have a LT) for years. I finally got the funds together to purchase a Whipple Gen V 3.0L kit and installed it. It runs great and I couldn't be happier. If anyone is planning to get this kit, there were several issues I ran...
  8. J5races

    Noise out of passenger side rear door speaker?

    Has anyone experienced noise (kind of like alternator whine but really only at just off idle). The sound is like connected to throttle. There is this low throttle sweet spot when its there and giving it a tiny bit more gas and the sound stops until you get back into that low range again. It...
  9. J5races

    Wide band O2 location

    Hello all, new member but been lurking for a while now. I’m adding a Whipple Gen V kit to my 2018 Tahoe RST when it arrives. I bought an Innovative PSB-1 AFR and boost gauge. I have a few questions: 1) where should I have a bung installed for most accurate AFR? I realize I’ll only be looking...

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