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ShinerBock's avatar
ShinerBock
Explorer
Jan 25, 2018

2019 GM trucks get smarter fuel-saving cylinder deactivation

Interesting bit of tech in the new GM V8s to increase fuel economy. These definitely aren't your traditional V8s with all of the added moving parts and computers needed to operate them. It is al...
Tow Vehicles
babock's avatar
babock
Explorer
Jan 25, 2018
There has been cylinder deactivation for years already on the 5.3L and maybe other engines. There have been some problems with it though causing rings not to seat and high oil consumption. There are ways to defeat this current system which I would also do to prevent the possible oil use issue.

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