I have a manual transmission and was under the impression that a certain RPM on a particular gear will always generate the same MPH. The other day I noticed I sit at 2,800 RPM in 6th gear @ 80 MPH, and other times it’ll be at 3,200 RPM – Could some explain?
In: Engineering
Maybe you are hauling something heavy? Cars do not need extra fuel when they get up to constant speed. Basically, they travel on inertia + engine adds minimal power, unless you are hauling something heavy (so there are more losses due to friction)
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