2020 6.6 Gasser HD

[Mike L.]

4L80 would be much better.

 

[Yngdmax92]

Come on Mike , them 10 speeds are supposed to be the next best thing!

 

[OregonDMAX]

Yeah but add power to it and forget it. I heard tuning on the 6l is a nightmare, if it isn't perfect it won't last whatsoever.

 

[six5creed]

I saw a 2020 High Country Duramax yesterday with factory wheels. How did that ever get passed by anybody at GM? Those are the ugliest wheels I've ever seen.

 

[2004LB7]

I saw a 2020 High Country Duramax yesterday with factory wheels. How did that ever get passed by anybody at GM? Those are the ugliest wheels I've ever seen.

Wrong thread. We have a 2020 duramax thread for that. This one is for the gasser

 

[six5creed]

Wrong thread. We have a 2020 duramax thread for that. This one is for the gasser

Oops, my bad.