What RPM Is Most Fuel Efficient? Between 1,300 and 1,500 RPM is the most fuel-efficient engine speed, or what some would call the “sweet spot.” When you’re driving on the highway, aerodynamics become a key factor in the work required to move the truck. You have two options to lower the workload: improve the truck’s
What Speed Is 4000 Rpm? 80 mph = 4000 RPM. Is 4000 rpms too high? One hour at 2000 RPM is less than one hour at 4000. High RPM gets worse near max RPM. Before severe damage can be done to the engine, maxrpm is the limit that it can take. Is it bad to
Is Going Over 3000 Rpm Bad? Running an engine some 3000 RPM below its redline should be absolutely find for extended periods of time. It might “sound” a bit revvy if you run the engine at that RPM when stationary – and indeed it might get hot quite quickly as it will not have the