06-02-2013, 11:06 PM
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#44 (permalink)
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Master EcoModder
Join Date: Jul 2008
Location: Langley, BC
Posts: 1,228
Fusion - '16 Ford Fusion Hybrid SE
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Mazda
Quote:
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Part of the Skyactiv D's innovative technology is variable valve lift of the exhaust valve during the intake stroke. This enable hot exhaust gas to heat the cylinder to improve combustion stability during warm up. The lift is changed by this hydraulic device on the cam follower which engages a rubbing pad on the center part of the unusually shaped exhaust lobe of the camshaft.
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