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2015 6l80 to 2018 6l80 swap

Arturo Alva

By Arturo Alva
in Engines & Drivetrain

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Arturo Alva Enthusiast

Arturo Alva

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Hi,  does anyone know if I can replace a 2015 Silverado 6L80 with a 2018 6l80? 
 The 18 transmission also comes with the original TCM. 
Any help is appreciated. Thanks 
 

2015 Silverado 5.3 6l80. 

CamGTP Senior Enthusiast

CamGTP

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Posted

Yes, you could do that.

 

The 2018 TCM would need to be re-programmed to your truck though.

Arturo Alva Enthusiast

Arturo Alva

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On 12/21/2023 at 3:15 PM, CamGTP said:

Yes, you could do that.

 

The 2018 TCM would need to be re-programmed to your truck though.

Same question but what about to a 2018 6L90, is it worth it? I’ve heard you need drive shaft work but is it programable?

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