When should I shift gears on a diesel?
If you want to shift fuel efficiently you shift in smaller turbo engines to drop in the next gear to about 1500rpm. As different cars have different gear ratios it is very difficult to be specific. Very large turbo Diesel tick over at 200rpm and peak at 1200 to 1500 rpm these would be shifted much earler.
When should I be shifting gears?
2,500-3,000 RPMGenerally, you want to shift gears when your car reaches 2,500-3,000 RPM. Eventually, you will know when to shift by sound and feel.
What RPM should I shift at?
When you begin driving a stick shift, the tachometer is a good way to help you determine when you should shift up or down. Generally, you should shift gears up when the tachometer is around “3” or 3,000 RPMs; shift down when the tachometer is around “1” or 1,000 RPMs.
What gears for what speed?
Remember each car will be geared slightly differently, but a good rule of thumb for changing gears is that first gear is for speeds up to 10 mph, second gear is for speeds up to 15 mph, third gear is for speeds up to 35 mph, fourth gear is for speeds up to 55 mph, fifth gear is for speeds up to 65 mph, and sixth gear ...