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an odd question

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Old 04-10-2004, 04:18 AM
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an odd question

Let's assume I am traveling down the road in 5th gear at a steady 60mph. If I shift into 4th, maintaining 60mph and the same amount of throttle, will my mpg be affected by the increase in rpm?
Old 04-10-2004, 04:26 AM
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Yes
Old 04-10-2004, 07:03 AM
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This car gets best mpg by keeping it under 3700 rpm.
Old 04-10-2004, 07:28 AM
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between 3400 to 4000 rpm... you want the front valve to open ... it is around 3200.

It is 104 km/h in 6th gear - the power is more and I assume that extra 100 rpm will make the fuel burn better and I assume it will be better fuel mileage

It is a mere difference between say 12 L/100km to around 11.2-11.5 L/100km not big.

I think you might have no fun driving at 60mph (96kmh) on 5th is actually ok.
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