Mopar Dodge And Chrysler 5.7 Liter Hemi Engine - Inside The 5.7 Hemi
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The trick to MDS is this electronically operated valve that allows oil pressure to pump up the exhaust lifter, allowing cylinder pressure to bleed off when the cylinder is not being used. The computer deactivates the cylinder's coil pack and injector during MDS operation, which results in a twenty-percent increase in fuel economy. The entire process happens in milliseconds and is seamless. View Related Article
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