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Old 06-20-2009, 02:48 AM   #21 (permalink)
hummingbird
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Location: Noida, UP, India
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City - '04 Honda City iDSI EXi
90 day: 47.47 mpg (US)
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Christ, you are dead wrong about the calculations. The amount of fuel consumed is no way as high as you have assumed. A typical 1.5L idles at a rate of 0.3 gph. so for a 1L, it will be 0.2 gph or roughly 750 ml/hr. This is 750 ml/60min = ~12.5ml/min/L. A typical idle rpm value is 700, and there is a intake once every two revs. so 350 intakes = 12.5 ml. => 36 micro-liters per stroke / liter of cylinder volume, for idle. This could go higher as you open the throttle, but not THAT much... Your figures are off by a factor of 1000.

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