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  1. M

    Lesson learned - GMT900 Regret, GMT800 Reset

    What do I mean? The 4.8L V8s all lived harder lives; I don't think as many of them were made as the 5.3L, and I don't think as many 4.8L will still be around as 5.3L V8s. However, some 4.8L and some 5.3L V8s were made with blocks that say "4.8L-5.3L-6.0L" (all three displacements) on their...
  2. M

    My new to me 2000 GMC Sierra 1500 ext cab

    https://www.gmpartsgiant.com/vin-decoder.html?vin=YOURVINGOESINHERE Compare that to whatever he printed out.
  3. M

    My new to me 2000 GMC Sierra 1500 ext cab

    No interior pics?
  4. M

    From Bronco to Burb - new to me 2002 Z71 Suburban

    If your engine NEEDS 89 or 91 to avoid knocking, that's a sign of some kind of issue inside the combustion chamber that needs a fixing. I'd start by removing plugs and sticking some kind of scope in the plug hole to get a look at the combustion chamber. 5.3L V8s should be able to tow ≈ 8,000 on...
  5. M

    Lesson learned - GMT900 Regret, GMT800 Reset

    Willing to bet money I don't have, that less 4.8L engines will survive vs however many 5.3L vs however many 6.0L. Hopefully the 4.8L blocks that say "4.8L-5.3L-6.0L" (all three displacements) on their front passenger side survive, and get bored out to 6.0L.
  6. M

    Lesson learned - GMT900 Regret, GMT800 Reset

    Just wondering why that article left out the LMF, LH8, & LH9 5.3L V8s ... It'll be interesting to compare the Gen4 V8s' longevity to the Gen3 V8s'. Willing to bet against engines that include Engine Half@$$ ...
  7. M

    Lesson learned - GMT900 Regret, GMT800 Reset

    If a Tahoe's / Suburban's doors opened the same way, that'd be even cooler.
  8. M

    Lesson learned - GMT900 Regret, GMT800 Reset

    GMT900s are good - leased one for nearly 200,000 mostly trouble-free miles, although Engine Half@$$ led to significant oil consumption. But it's known that the best GMT900s LACK unnecessary complexities. GMT800s are better for everything they LACK compared to GMT900s - no unnecessary...
  9. M

    Stutaeng's 2006 Suburban 2500

    PowerStop has never disappointed me; mid-90s LT1 Caprices, '12 Chevy Caprice PPV by Holden (particularly impressive from 110MpH-0 panic stop), '12 GMC Yukon XL, and now my '02 Tahoe Z71's 2010 Suburban front brake kit. Would not be surprised if GM OE uses PowerStop stuff from time to time.
  10. M

    LSX454

    Wouldn't be surprised if this thing manages to be driving sideways on its 30th birthday for that matter. https://www.gmt800.com/attachments/1759430484892-jpeg.4211/
  11. M

    LSX454

    Some time after the GMT800 came out, I THINK GM got the idea that more and more people give up their new cars at the end of the lease, GM started seeing new cars they were building more like the way Appl sees their new phones - why make them last if they're just gonna 'upgrayedd' when the lease...
  12. M

    LSX454

    That makes you a lucky guy. I'd like to watch too ...:p
  13. M

    LSX454

    You said 'ass'. Yay. For $16,000 should be able to find a used GMT800 in very nice condition, a 6.0L, and either a 4L60E or 4L80E of your choice. Or, two GMT800s ...
  14. M

    Partial List of Front Torsion Bars

    No desire to be king - I'll settle for being the Marquis ...
  15. M

    Partial List of Front Torsion Bars

    If you're right that'd open up my options considerably. My hope is to find, properly install, and make use of one of the following bars 15712407 & 15712408 . . . . 6WX&7WX . . . . . . . . . . . . . . . . . 5826 . . . . . . . 15528955 & 15528956 . . . . 6GF&7GF . . . . . . . . . . . . . . . . ...
  16. M

    Partial List of Front Torsion Bars

    Are there NO torsion bar experts left here @ GMT800.com? Do I need to pay a junkyard dog to measure random various torsion bar lengths?
  17. M

    4L65 Lockup Shudder

    Looking at your sig, odds are (cannot guarantee) that your '02 likely has a mechanical cable throttle, so your '02 PROBABLY has a P01, aka 12200411. your '05 likely has an electrical signal throttle, so your '05 PROBABLY has a P59, aka 12586242. Although there are several exceptions, the gist is...
  18. M

    4L65 Lockup Shudder

    Even though it's usually true, I apologize for the generality. Do you know which pcm your vehicle uses?
  19. M

    Stutaeng's 1999 Silverado

    What he said, yeah. Time in the dark is not as bad, time in the sun (ultraviolet exposure) makes tires go worse quicker.
  20. M

    4L60E Front pump failure.

    Why did you get a ported throttle body? What other mods did you do to support this? Also, you're supposed to pick one - - or the other, not both. If you failed to inform the tuner that you installed a shift kit, before he turned up the line pressures, he can't protect you from yself.

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