AUBURN HILLS, MI – Just a few simple tips can help owners of Chrysler Group engines with Multi-Displacement System (MDS) get the most fuel mileage possible from their 5.7L HEMI V-8 engine. Customers don’t need to drive in a certain way to realize a fuel economy improvement with MDS, but these driving habits can maximize their fuel savings with this technology.

  • Keep speeds to 65 mph or below - MDS uses four-cylinder mode most at these speeds.
  • Use cruise control - this helps maintain a steady speed, generally allowing the HEMI to run on four cylinders for longer periods.
  • Accelerate more gradually – the HEMI will provide V-8 power whenever requested by the driver.
  • Use a steady throttle whenever possible – this maximizes four-cylinder mode.

    The Chrysler Group MDS is standard equipment with the 5.7L HEMI on seven vehicles: the Chrysler 300C, Dodge Charger R/T, Durango, Magnum R/T, Ram 1500, and Jeep Grand Chero-kee and Commander. With the addition of MDS to HEMI-equipped Dodge Durango and Ram, MDS-equipped vehicles through the end of the 2007-model year will save more than 60 million gallons of fuel each year. The Chrysler Group MDS seamlessly alternates between smooth, high-fuel-economy four-cylinder mode when less power is needed, and V-8 mode when more power from the 5.7L HEMI engine is in demand. This optimizes fuel economy when V-8 power is not required, without sacrificing vehicle performance or capability.

  • Originally posted on Fleet Financials

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