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Old 01-21-2010, 07:47 PM
09Hemi 09Hemi is offline
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Join Date: Oct 2009
Location: Bradenton, FL
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Vehicle: 2012 Ram 1500 10 VW GTI
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Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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usually the sweet spot it around 70-80 mph. somewhere in that 115-130 km/h. some vehicles are different depending on the design. but thats about the speed where your forward momentum keeps you going and the motor does not need to work that hard. Do you have a tonneau cover?? because most would claim that having one helps but in all actuality it does not. if you dont you get whats called the cyclone effect that boosts your MPG because the wind is moving so fast at that point that it goes in and creates a cyclone and forces the air right over your tailgate. and like stated the cyclone effect does not start until around that speed
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