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  1. CaptainAmerica1

    Performance on a 2007 GMC Yukon Denali

    Come back!!! Let us help you spend your money!!!
  2. CaptainAmerica1

    Oil percentage has - - - % any idea's

    My ocd is screaming for you my man…
  3. CaptainAmerica1

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

    Some people pay extra for that…
  4. CaptainAmerica1

    2012 Tahoe 5.3L flex fuel - Will Not Start

    CRC contact cleaner, dielectric grease. Cooler weather, moisture in the air causes carbon fouling to hold moisture impeding current flow to sensors…
  5. CaptainAmerica1

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

    And get this, BBP is refusing to delete my rear O2 sensors…
  6. CaptainAmerica1

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

    Don’t know how it started leaking, I haven’t opened the hood in 4 months…
  7. CaptainAmerica1

    Low oil pressure but no noise

    Oil pressure sensor, or associated wiring.
  8. CaptainAmerica1

    Oil percentage has - - - % any idea's

    Tech2? May have to drive it a bit before it starts calculating what’s going on? Wild ass guess…
  9. CaptainAmerica1

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

    P0171,P0174, ltft we’re like 29%…cleaned my maf, checked my O2 sensors, 3 intake bolts on bank 1 were loose so retorqued those. No change. Capped this bugger off and fixed…
  10. CaptainAmerica1

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

    This little bugger right here was sucking air. I guess the cap rotted off? Got a new rubber cap and the ltft went from 29% down to .8… fml
  11. CaptainAmerica1

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

    Chasing pending P0171 and P0174 code. Service stabilitrac pops up when I stop at stop lights, immediately goes away as soon as I start moving again. At my Gf for the weekend so my Tech2 is at my apartment. My autocal shows 29% ltft maybe 6-8% stft… haven’t even popped the hood to look around...
  12. CaptainAmerica1

    Sunroof left open through car wash.. FML

    I’d pull the seats and carpet and let it dry. Even if it feels dry now it’s probably still damp underneath. Pull the battery, and disconnect every electrical connector and clean with contact cleaner, apply dielectric grease and reassemble. Noico or dynamat since your this far in anyway, when the...
  13. CaptainAmerica1

    Sunroof left open through car wash.. FML

    Shit, shit man we’re phucked!!!
  14. CaptainAmerica1

    Sunroof left open through car wash.. FML

    Bill the idiots for the damages.
  15. CaptainAmerica1

    Performance on a 2007 GMC Yukon Denali

    Supply chain issues have a ton of parts on back order for months.
  16. CaptainAmerica1

    Performance on a 2007 GMC Yukon Denali

    You got access to E85 in your area? Local tuner that can tune for all these mods? I’m not trying to dissuade you from doing it, I’m just saying you should get your ducks in a row or it’s gonna cost you way more than it should.
  17. CaptainAmerica1

    Performance on a 2007 GMC Yukon Denali

    Yes, long tubes will net you some power, a mild stage 2 cam will still be streetable, but now we’re getting into torque converter swap territory and having to rebuild the tranny to handle the extra power, next thing to pop is the rear end, all this power is gonna need better suspension to get it...
  18. CaptainAmerica1

    Performance on a 2007 GMC Yukon Denali

    10s in the quarter? Pretty ambitious… I hope you have deep pockets….
  19. CaptainAmerica1

    Performance on a 2007 GMC Yukon Denali

    Is it your daily? Can you park it for 4 months while you do the work? How much cash you got? Are the parts you need even gonna be in stock during this supply chain crisis? How much of the work can you do yourself? What’s your skill set? You looking for handling or straight line speed? What’s in...
  20. CaptainAmerica1

    Performance on a 2007 GMC Yukon Denali

    There’s like 20 different approaches, any of which will increase performance. You gotta figure out what works for you. Speed costs, how fast you wanna go? How fast can you afford to go? You like Jeff Bezos rich and wanna throw money at it? You wanna do the work yourself? You wanna pay someone to...
  21. CaptainAmerica1

    Performance on a 2007 GMC Yukon Denali

    Start reading…

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