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  1. M

    '07 6.0L safe max coolant tempurature while towing

    So you're (likely) more aware than the 'average' vehicle owner about how important the pressurized reservoir cap is? Maybe you replace your pressurized cap sooner / more often than, say, sea-level landlubbers? Anything over 221F, I stop driving like an @r$e and start driving like I'm about to...
  2. M

    DFM disabler released

    1. Why would you even care what 'someone' TRIES to say? 1b. Which 'someone' are you concerned with? 1c. What if they try to say something you don't like, but they fail? 1d. In case we don't make it to '2', this is why I'd prefer the Range - quick connect, quick disconnect ... quick disavowal 2...
  3. M

    DFM disabler released

    1stly, I recommend getting tuned. However, I know that is getting not only more expensive, but logistically more difficult. Pretty soon, even when you buy something brand new, it won't really be yours, which pisses me off. 2ndly, I recommend disabling cylinder (valve, really) deactivation...
  4. M

    DFM disabler released

    You'd be shocked at how much you learn from tuning mid-90s LT1s asking every question your tuner'll allow when he's tuning your GMT932. Many of you who think you're against engine / transmission tuning, would be for it if you understood what they're capable of. (An answer to a question no one...
  5. M

    Ran out of gas! 2008 LTZ

    If you intend to keep your vehicle for 'the long haul', seriously consider buying a replacement fuel pump now. They won't get any cheaper.
  6. M

    DFM disabler released

    DFCO does NOT deactivate cylinders - or if you prefer, DFCO does not deactivate valves. During DFCO (and powertrain braking), valves open and close normally, like it's been done since the 50s, or whatevar. It's merely FUEL that is not being used during DFCO. I suppose DFCO could be combined...
  7. M

    Thoughts on purchasing a higher-mileage Duramax?

    Any halfway decent turbodiesel that fails to exceed 300,000 miles is an indictment of its previous operators. If the motor oil was changed every 5000 miles, good. If more often than that, so much the better. If you address maintenance items slightly sooner than recommended, 300,000 miles should...
  8. M

    Brake noise

    If it only squeaks that one time, I would not worry about it. If you insist on being worried about it, next question: If you back INTO your driveway next time, and then HEAD out of your driveway, does your front driver side brake still squeak then? EDIT @ 1106pm: I was not being facetious, I...
  9. M

    6.2l engine tick

    Thoughts, my @r$e. Buy a quart of 0W30 and a quart of 5W30. Put both in the freezer overnight. Pull them out of the freezer, crack them both open, pour them out simultaneously. OW30 will pour out quicker and smoother than 5W30. Meaningless once the ambient temp is over 41F, but it makes a...
  10. M

    Bilstein 4600 review on a Z71 Tahoe

    In NYC, there are no H2s in any junkyards. There are a few GMT921 PPVs left at JFK & LGA airports, maybe I'll risk getting shot in the @r$e, read the VIN off one of those so a parts mungqi can give me the right stuff. Heck: anybody got a VIN off a (GMT800 or GMT900) Tahoe PPV? Hopefully I made...
  11. M

    6.2l engine tick

    The tick MIGHT fade out sooner if you use 0W30 instead of 5W30.
  12. M

    Low Blinker Fluid?

    Whenever you go to a car wash, it's supposed to be part of the car wash process! Also whenever you drive in the rain.
  13. M

    1999 GMC Yukon

    https://www.lmctruck.com ?
  14. M

    Oxygen Sensors

    Either it's 4 - 2 pre-cat, 2 post cat Or it's 3 - 2 pre-cat, 1 post cat. Heated O2 sensors achieve operating temp sooner vs non-heated.
  15. M

    $64 for 8-Quart Full Synthetic Oil Change at local GMC dealer

    If you drive VERY gently and sedately, you might get away with leaving it? But best to drain a bit out. In fact you engine is better off 1/2 a quart under, vs 1/2 a quart over.
  16. M

    2013 Yukon Denali Hybrid AFM Delete won't pass emissions

    For example: my tuner was (and is) pcmperformance.com. On my 2013 YXL, he: addressed the spark timing tables for crisper throttle response, power, MpGs reduced DFCO spark timing so it would coast 'lighter' and longer than GM's setting in upper gears raised the WOT Upshift & Downshift RpM...
  17. M

    DFM disabler released

    Dang, that must suck. I happen to know that one of the tunable parameters for V4 mode (for GM Gen4 Small Block V8s) is 'Minimum Road Speed', or something like that, and it's about 40MpH if memory serves.
  18. M

    How often do you go WOT aka "Italian tune up"?

    Every lone 'Stop' sign should be a 'Yield' sign. Wherever there are two or more 'Stop' signs perpendicular to each other, at least one of them should be a 'Yield' sign.
  19. M

    Bilstein 4600 review on a Z71 Tahoe

    https://www.shocksurplus.com/products/bilstein-4600-monotube-gas-oem-shocks-front-pair-2007-2014-chevrolet-suburban-1500-2wd-4wd Ordered this set of 4 from Shock Surplus. They actually made the mistake of sending a pair of rear 4600, and a pair of rear 5100. They handled it gracefully, no...
  20. M

    Oil pressure low

    Old oil never makes as much psi as new oil. Older it gets, less psi it makes.
  21. M

    DFM disabler released

    Anyone here experience cylinder deactivation UNDER 40MpH?
  22. M

    Is my transmission talking to me?

    I tend to recommend LubeGard ATF, but any 'certified' 6L80 /6L90 ATF will do.
  23. M

    2013 Yukon Denali Hybrid AFM Delete won't pass emissions

    Ok, so, the details of his tune are a secret, and he is a secret ... got it.
  24. M

    Busted Lines leaking Coolant. Help. Semi-stranded.

    If you can live without heating behind you for the winter ... (Can you REALLY live without cold air for the summer? I sure as schidt canNOT!) Then you ... temporarily? ... plug the 2 heater hoses that go through the firewall. They lead to the rear / auxiliary HVAC which lives atop the right rear...
  25. M

    Help me decide what to do??

    Better this, than that idiotarded schidt where it looks like it's dragging / wiping it's @r$eh01e on the ground.

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