Is the 2020 still a L5P? - Page 2 - Chevy and GMC Duramax Diesel Forum
2020+ GM T1 Platform Performance Parts Discussion Discussion of Performance Parts For the 2020 and up L5P Duramax Trucks No Advertising

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post #11 of 18 (permalink) Old 12-26-2019, 06:42 AM
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Banks iDash & Derringer isnít available for the 2020. Must be because of the 10 speed since the engine is the same.

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post #12 of 18 (permalink) Old 12-26-2019, 08:13 AM
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Originally Posted by Rvn4me View Post
Banks iDash & Derringer isnít available for the 2020. Must be because of the 10 speed since the engine is the same.
The iDash works fine (firmware updated in Aug). Derringer is being beta tested as we speak.

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post #13 of 18 (permalink) Old 12-26-2019, 12:16 PM Thread Starter
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Originally Posted by mike108 View Post
If it is helpful: I trust those who have spoken are correct the 2020 HD pickup engine is still known as the L5P. What is published as different from its predecessors is the frame/suspension, which appears to be referred to as the vehicle "platform". Prior to 2020, the pickup platform was known as the GM T-K2, while the 2020 appears to be known as the GM T1 Vehicle Platform (2020 GMC Sierra HD Info, Specs, Wiki | GM Authority). I only made a cursory search for this information and would suggest perhaps using the word "platform" if you want to know more.
Good info, thanks! I didn't realize that "LP5" only referred to the engine. You are correct it's the platform (not the engine) I am interested in.

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post #14 of 18 (permalink) Old 12-26-2019, 04:56 PM
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Mods here have decided the 20 is same as 17-19.
LOL yes but they are incorrect well listen and you be the judge. Yes the folks with a 2019 and older will say they are the same but that is not reality...


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Last edited by Busa Dave; 12-26-2019 at 05:01 PM.
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post #15 of 18 (permalink) Old 12-26-2019, 05:19 PM
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but they are incorrect
No, we're not.

Same engine.....with a few different things bolted on it.

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post #16 of 18 (permalink) Old 12-26-2019, 06:23 PM
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Originally Posted by Hook'em_Horns! View Post
No, we're not.

Same engine.....with a few different things bolted on it.
Well if you say so. Yes the bore and the stroke are the same.

2020 GMC Denali 2500
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post #17 of 18 (permalink) Old 12-26-2019, 06:27 PM
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Nothing in the ol' man's vid advertising his overpriced wares is internal.

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post #18 of 18 (permalink) Old 12-26-2019, 10:39 PM
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Wow that's awesome to watch thanks I have a lml but just waiting for my 20 l5p (thanks strike) but that's good to know on parts and all that

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