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Old 12-17-2009, 11:45 PM
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Dan Dan is offline
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Join Date: Sep 2009
Location: MD
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Vehicle: 2009 Dodge Ram 1500
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Engine: 2009-2010 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Originally Posted by beermanjoe View Post
What did they do to the 2009-10 to get the extra HP?
I believe the gains were a result of introducing "Variable Valve Timing", and an "active intake manifold".

more info at the links below
(under the "2009 Revisions" section)
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