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What's New With The 2020 L5P Duramax? Watch Gale Banks Explain

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Zane Merva

Executive Editor / Publisher, GM-Trucks.com

February 13th, 2019


GM only announced the all new 2020 L5P Duramax and 2020 Silverado/Sierra HD models a few weeks ago and we're already finding out more about them. 


This time Gale Banks has his hands on not one, but TWO L5P Duramax engines and takes one of them apart to explain what's different from the 2019 L5P engine. The video is over 13 minutes long but worth every second. Enjoy!



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Does he have 2 or 3?  Depending on how they cut the video he could have 3.  He mentions having one on a dyno a couple times and somewhere towards the end they show one on a dyno.  Either way it was fun to see how excited/enthused he is about the changes, especially the oil cooling system lol

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