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Posted (edited)

Has any one chassis dyno tested the 2024 Silverado HD 6.6 with the 10/1000 transmission?   I'm interested to know how much more Horsepower it takes to turn the 10 speed transmission vs the 2023 6 speed 6L90E?   

Or does anyone know how much HP it takes to turn the 10 speed transmission vs the 6 speed transmission?    Does it rob more HP?   IF so how much? 

 

 

Edited by mjberg

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