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Old 01-02-2013, 02:51 PM   #14 (permalink)
ever_green
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Join Date: May 2011
Location: Toronto
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gueff - '19 Mercedes Benz A250 4MATIC AMG
90 day: 30.55 mpg (US)
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hey i just learned that the high lift cams switchover is varied dependig on engine load anywhere between 2000-4000rpm to improve torque. its not like the vtec system where its fixed at a specific engine rpm.
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