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larryz71

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About larryz71

  • Rank
    Enthusiast

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  • Gender
    Male
  • Drives
    2020 3.0L AT4

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  1. Mine sits around 26 at idle and cruising on the highway. Just like yours, it only increases to somewhere between 30-50 under somewhat aggressive acceleration. I don’t recall ever seeing mine above 60, but don’t recall ever giving her full throttle. Sent from my iPhone using Tapatalk
  2. Following. I don't have top tier diesel available near me. I bought some opti-lube summer+ but am nervous to put it in the tank without being more educated. Impulse buy....
  3. Here you go.... Sorry again for the confusion.
  4. Thank you for bringing this to my attention. The $2,500 I mention is just for upper trims that I guess come standard with the 5.3L, so LTZ+ or SLT+. See the example below. On my AT4 the 3.0 was a 2,495 option over the 5.3L. Sorry for the confusion, it looks like my rant is only to people that opted for high trim levels.
  5. "worth it" is subjective... Do you mind explaining why you so definitively claim that the 3.0L isn't "worth it"? By your logic, I could claim that the 5.3L isn't "worth it" for most people when compared to the 2.7L or 4.3L. All of the engines that are offered have their strengths and weaknesses. When comparing the two engines for this discussion, I see the following: For the 3.0 (all of which cannot be argued) Superior fuel economy Slightly better towing (possibly not max weight, but I will quote what you say above, "it will pull like a freight train")
  6. Thanks for the info firetrout & akawally. Keep us posted.
  7. Getting ready for my first oil change... does anyone know where I can order the oil online? I am having a hard time finding it. Also, any recommendations on the brand of oil filter I should go with? Should I just stick with the ACDelco PF66?
  8. The need to come off that price some more... If they won't budge, I recommend Everett Buick GMC in Bryant, AR. Here is a similar truck for reference - https://www.everettbgmc.com/VehicleDetails/new-2020-GMC-Sierra_1500-Crew_Cab_Short_Box_4_Wheel_Drive_AT4-Bryant-AR/3551671463
  9. Really depends on the spread between 87 and diesel which fluctuates constantly. The other unknown variable is maintenance costs between the two. It’s safe to say the diesel will be higher, but by how much? I could easily argue the cost savings vs. the 6.2, but to argue against the 5.3 would be subjective at best. The rationale for MY decision to go for the duramax was: 1) total cost of ownership vs 5.3 - who has a crystal ball? probably a wash.. 2) I’d consider myself an enthusiast so a premium engine option makes me happy.. 3) personally, I don’t care about how fast my truck goes, as l
  10. I have a short box. I wish I could have gotten the standard, but unfortunately it wouldn't fit in my garage.
  11. I only have ~800 miles on my Duramax AT4, but so far I am very impressed. The powertrain feels light years ahead of the 2019 8 speed 5.3L AT4 that I traded in. No disrespect to 5.3L 8 speed owners, as I have owned 3 of that powertrain combo myself, but there really is no comparison for MY tastes. My last 8 speed (2019 AT4) was the best of the 3 I have owned... I really believe GM fixed a lot of issues with the changes they made to the 8 speed for the T1 platform, but it just was never truly smooth. The 10 speed Duramax combination on the other hand is smooth a silk. O
  12. Beautiful truck! Glad to hear you are liking the duramax. I just got one myself! Sent from my iPhone using Tapatalk
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