I was riding with a friend in his new Ram pickup truck on the highway as he gushed about how much he loved the truck’s Multi Displacement System (MDS) mode. This computer-controlled cylinder ...

Nelson Ireson March 24, 2009 Comment Now! Multi-displacement system, displacement-on-demand, cylinder deactivation - call it what you will, they're all based around the same principle: turn off some ...

Chrysler Group has offered the following simple tips to help owners of engines with Multi-Displacement System (MDS) get the most fuel mileage possible from their 5.7L HEMI V-8 engine. The customer ...

Chrysler Group said it will offer the Multi-Displacement System (MDS) to its Ram trucks equipped with the HEMI engine. Currently the Chrysler 300C, Magnum R/T and HEMI-powered Jeep Grand Cherokee ...