When I first read about MDS deactivating the same 4 cylinders I was concerned
When I first read about MDS deactivating the same 4 cylinders I was concerned. Even if they just alternate between the same two groups of 4 that would even out the wear.
Here's GM's new system.
https://www.caranddriver.com/news/a1...-deactivation/
http://gmauthority.com/blog/2018/03/...t-works-video/