jarrod_234 asked:
This is not a question about how to save gas.. the quetions is for a mechanic or pro…every car reaches it opt mpg a diff speed i drive a 2007 honda civic 1.8L with 5 speed manual with stock trans and gears.
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Sphere: Related ContentThis is not a question about how to save gas.. the quetions is for a mechanic or pro…every car reaches it opt mpg a diff speed i drive a 2007 honda civic 1.8L with 5 speed manual with stock trans and gears.
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You can usually tell your optimal mileage speed by the feel of the car. I can’t say that I know what the speed will be for each gear, you’ll have to figure that out on your own or wait for someone who knows. I can say that the engine will be most responsive in the area of best mpg. This is because the air and fuel is being mixed the best. In my 93 automatic on the highway, when my car is in D4 (overdrive) it’s somewhere around 70mph. It will be at a point where you can almost coast, and with the slightest press of the pedal you will accelerate without much drag. Typically a lower rpm per higher speed will result in better mileage, but not always true, cause you don’t want to be causing too much labor for the engine (say you are in 4th gear at 25 mph…your rpm will be low, but you are trying to dump a lot of fuel to keep it going steady or faster)