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  1. gmduramax

    Duramax HighPerformance Idler Kit is now available!!!

    I can’t get one to California 💔
  2. gmduramax

    Bucking in T/H mode - Built trans

    What’s the maf sensor doing during the surging?
  3. gmduramax

    Bucking in T/H mode - Built trans

    I’m betting it’s the tune. Does it do it on a stock tune? Does it do it using cruise control to accelerate
  4. gmduramax

    coolant in the oil....

    🤣🤣🤣 happens to the best of us.
  5. gmduramax

    Quiet today

    I do but sadly with the way employees are working out these days. I don’t get much time for myself.
  6. gmduramax

    Quiet today

    Thank you whoever changed the title 🤣
  7. gmduramax

    cranking with the key on

    Unplug your edge
  8. gmduramax

    3794 turbo braking

    I loved the 3794 from Danville. It was the 65mm and it spooled better than the factory turbo. Never had a complaint with the turbo brake. I believe the stage 2r turbos wouldn’t spool or brake as well as the 3794 but I could be wrong. It’s been a while since I looked into it.
  9. gmduramax

    Nitrous

    Makes the most sense to me. I’ve been curious to start measuring temperatures and see how much performance is gained by cooling the air between the turbos.
  10. gmduramax

    Nitrous

    What’s the setup? How much power are you wanting to make? I recommend turning the fuel down and spraying a lot to make the power you need.
  11. gmduramax

    Nitrous

    Who isn’t 🤣
  12. gmduramax

    Best aftermarket alternator, and how big?

    Gmpartsdirect or the dealer. IIRC the L5P alternator was around $280
  13. gmduramax

    Best aftermarket alternator, and how big?

    The alternator off of a L5P is like 280 amps and I think if you get one from an ambulance package they’re more like 350
  14. gmduramax

    Cp3 removal

    If you’re sure you have the correct 4 bolts removed get a pry bar
  15. gmduramax

    68mm

    I would 100% do injectors before a turbo. Stock turbos can make well over 500hp with the right supporting mods
  16. gmduramax

    LMM "Home Mods"

    Ram air intake, I used the fog light opening and dryer duct. Sealed everything off. Hood vents or fender vents or If you’re not lifted a splitter that extends past the engine Seal the intercooler better to the grill so no air leaks around it.
  17. gmduramax

    EBAY Y BRIDGE

    It’ll work as long as it fits correctly, but if you’re not wanting to spend the money on known products that’ll fit correctly I don’t see the point of changing the factory parts. They flow just fine
  18. gmduramax

    4" deaver leafs with 2" drop shackles

    For more travel that’s very common. And I think it rides better
  19. gmduramax

    Which Goerend for a GTX4294R?

    I struggle to get on top of a ball bearing 80mm turbo 87 turbine 1.25ar with a K converter at sea level. It’ll do it but just barely. I think the K would be fine for you
  20. gmduramax

    Head resurfacing yay or nay?

    You would have to measure piston protrusion to be able to select the correct gasket. You should take quench into account even though most people do not. I believe they even make a grade D. If you’re taking 2 thousands off the heads I wouldn’t worry about it one bit. Now if you’re taking 10...
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