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What Is Heel and Toe Shifting?
A related downshifting technique is called heel and toe, in which the brake and accelerator pedals are pressed simultaneously. Classically, the brake is pressed with the ball of the right foot and the accelerator pedal is controlled by the right heel, while the clutch pedal is pressed by the left foot. However, many variants are possible, with the brake and accelerator pressed by sides of the right foot.
Proper heel-and-toe technique aids both slowing the vehicle while at the same time accelerating the engine for a matched downshift. Note that neglecting to rev-match in any downshifting scenario can be extremely dangerous, especially in low-traction conditions. Heel-and-Toe may be used with any type of gearbox when simultaneous braking and downshifting is necessary. Though difficult, mastering the heel-and-toe technique in conjunction with necessary clutching is essential for high performance driving (e.g.,rally racing) to stay in the optimal gear regardless of the simultaneous braking, accelerating, and clutching required for shifts. This allows the engine to stay in the RPM "powerband" and allows one to drive as fast as possible. Left foot braking while accelerating the engine with the right foot to accommodate downshifting in a clutchless situation accomplishes the same feat.
The purpose of the heel-toe-double-clutch is to downshift into the correct gear, and thus optimal engine RPM, for exiting the corner while placing the least wear and tear on the entire drivetrain. Note that racers will sometimes skip gears during downshifts depending on the vehicle speed. With double-clutching there is no need to shift through every gear when significant velocity has been lost.
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Sergeant Clutch Discount Clutch Repair Shop
6557 Walzem Road
(Corner of New World / Yellow & Black Shop)
San Antonio, Texas 78239
Call 24 Hours 210-239-1600 |
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