I've always heard it called "Short Shifting". Used in racing, like the old Indy cars, to conserve fuel.
Larry Behold Beware Believe
: >>jmc wrote: : >>> Had a fellow tell me today that, if I accelerate quickly, but avoid
4th : >>> gear and shift directly from 3rd to 5th I'll get better gas mileage. : >>>
: >>> I'd seen a thing on TV recently that suggested something similar - shift : >>> to the next highest gear before you usually would, would save gas : >>> because - not sure if I got this right - less gas is used in the higher : >>> gears than in the lower? : >>>
: >>> Comments? : >>
: >>Throwing away an available gear ratio seems backward to me. : >
: >ah yes. backward. you have experience in that don't you? : >
: >
: >>A continually variable transmission (CVT) would have to be the best. : >>That gives you infinite ratios, and the engine can operate at the speed : >>where it's most efficient. : >>
: >>Airplanes use constant speed props to do that. Add throttle, and the : >>propeller blades twist to take a bigger bite out of the air, while : >>engine speed remains the same. : : In semis we do that all the time..its called skip shifing. : But it should go begin in 2nd skip 3rd shif mid rpm into 5th. from 4th