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Old 10-18-2013, 10:03 AM   #6 (permalink)
Miller88
Master EcoModder
 
Join Date: Jul 2008
Location: NY state
Posts: 501

XJ Cherokee - '00 Jeep Cherokee Sport
90 day: 12.96 mpg (US)

FoFO - '11 Ford Focus SE
90 day: 36.78 mpg (US)
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So the bump you feel at 4000RPM is secondaries opening? I drove a friend's 2005 accord and there's a noticeably increase in power at 4K.
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