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FordFord Wrestles With Torsional ExcitationsFord Wrestles With Torsional Excitations
DOWNSIZING AN ENGINE AND INTEGRATING turbocharging is a compelling powertrain strategy, but one that creates as many challenges as it solves. For instance, a boosted engine increases inertia, which means higher torsional excitations, says Steven Thomas, manager-global transmission and driveline, advanced engineering at Ford. The task of addressing these vibrations often falls to transmission and driveline