2016 Sierra help

[MOhunter92]

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[15 Z71]

My 15 Sierra did shift rough at first...but now at 8000 miles smoooooth.

[MOhunter92]

My 15 Sierra did shift rough at first...but now at 8000 miles smoooooth.

was this an 8 speed 6.2 or 6 speed 5.3? The 8 speed is such a different feeling trans than the 6.

[15 Z71]

was this an 8 speed 6.2 or 6 speed 5.3? The 8 speed is such a different feeling trans than the 6.

sorry about that. 5.3 6 speed. It was pretty bad at first, I am amazed how it smoothed out though.