![]() ![]() ![]() It will also reduce wear because the transmission won't be trying to drive in two gears at once. In these cars, it is a kit that can reduce or eliminate the shift overlap. To accomplish this it often goes into two gears at once while shifting up, which is known as a shift overlap. A shift kit usually shortens the throws of selecting a gear (also known as a short throw shift or short shifter), therefore allowing a driver to reduce the shift time and change gears more efficiently.Īn automatic transmission's main focus is smooth shifting between gears. Balancing this, too quick a shift increases peak mechanical loads on the transmission, engine and drive train an instant shift would cause impact loads and lead to early mechanical failure, as well as an unpleasant driving experience.įor manual transmission equipped cars, it is a component that replaces the stock gear selector (shifter). This makes a quick shift more desirable when towing, to reduce clutch wear and heat developed in the transmission. ![]() Some drivers want slow, smooth shifts for comfort, while others want quick shifts for performance or towing.ĭuring a shift, power is lost in the clutch (for automatic transmissions the clutches are usually internal) due to clutch slip and the difference between the current and final output shaft speeds. Shifts may be optimized for different goals.
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