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Old 9th April 2007, 18:39   #5 (permalink)
vasudeva
Senior - BHPian
 
Join Date: Mar 2007
Location: Delhi
Posts: 1,232
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I had posted in this forum earlier that OECD and US EPA figures for FE and engine rpm give a curve with peak FE between 50-100 kmph (60 mph). This is for all petrol engines and not for a specific model. This would imply a rpm of 1500-2500 rpm in top gear. For petrol engines, 100 kmph corresponds to around 2,500 rpm. Corolla AT has 2000 rpm at around 85 kmph.
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