Question:
I have on 03 mustang mach 1, havent made it to the track yet, but was wondering what the best way is to launch. I know how to do it basically, but how do you prevent yourself from rolling forward if you have your feet on the gas and the clutch?
Answers:
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Well you either have to learn how to heel toe the brake and gas with one foot or you have to look around for a device you can put on your car that lets you set your brakes on the line and you can hold them with a button mounted inside the car.Check jegs or summitDoes having the ac in your car on high waste more gas then if it were on low?
Please refer to the source i have supplied with the answer, it has all of the info, this is just a snippet.How do you drive a 10 Speed transmission truck?
The way you launch your car is based mainly on two variables--the type of transmission in your car (manual or automatic), and the drive wheels (front-wheel-drive, rear-wheel drive or all-wheel-drive).
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We will take a look at managing a manual transmission first. With a stick shift, the main aim is to avoid excessive wheelspin by pressing the throttle too much, but also avoid bogging down the motor by pressing the throttle too little. The driver has to get the throttle input just right, like in that Goldilocks fairytale. Each car engine has a different rpm range in which it will produce the most power. The trick is to keep the engine in this sweet spot from the moment you cross the starting line all the way to the finish line, without any of this peak power being wasted. Launching a car hard from a dead stop is accomplished by slipping the clutch and spinning the tires, both within reason. Power is lost here, but most engines have narrow power and torque bands, so the fastest launch will include wheelspin and slipping the clutch. The only way to find out how much slipping would be just right is to experiment at the track, holding the throttle at various rpm levels at launch to see how much juice is needed for the quickest start.
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While playing with the clutch and throttle, use the parking brake to keep your car from rolling. This is the only way to keep your car stationary while you work the clutch with the left foot and the throttle with the right. You then release the parking brake as you launch.
Some people may say a manual benefits from powershifting during a race, which is to keep the throttle floored between shifts. It is not a good idea for a beginner, since a ill-timed shift can cause your engine to over-rev and inflict permanent damage.
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In general, automatic transmissions are known as being more useful for lazy commuters than for hardcore racers. But it may be surprising for some to know that many pro drag-racing cars have heavy-duty auto gearboxes. That's because the brake-torque launch is an automatic specialty. This launch involves keeping the car stationary by flooring the brakes with the left foot, while using the right foot to rev up the engine against the torque converter. In technical terms, this preloads the entire drivetrain with the stress of a launch, allowing the engine to rev closer to its power and torque peaks at the starting line. Brake-torquing is also beneficial for turbocharged engines as it allows boost to build up before the launch, reducing turbo lag. The only problem is that there is a lot of stress on the transmission, and the consequent heat build-up can destroy your automatic gearbox. Unless your car has too much power for the tires to handle, a brake-torque launch usually will not spin the wheels. This is because the automatic transmission absorbs the shock by design, and brake-torquing actually reduces stress on the rest of the drivetrain. Instead of a sudden massive load, the drivetrain has the torque applied slower instead of one huge jolt.
If your car has power brakes, you could apply the brake-torquing technique even better. At the starting line, shift your auto gearbox into neutral and floor the brake pedal with your left foot. Rev the engine once and quickly get off the throttle. You will feel the brake pedal sink further to the floor. This greatly increases the braking force. Now shift back into gear. You will now be able to rev up the engine even higher against the torque converter.
The downfall of standard automatics is their easy-going nature while shifting, so you lose power during the actual race, where a manual would have allowed for more aggressive upshifts. However, the shift points of an automatic can be professionally modified for drag racing, and some new automatics even allow for manual shifting or have a sport setting for quicker gear changes. In fact, you could shift up through the gears even on most conventional automatics for a little more oomph.
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