A sidewall tires softer complex will have more access, but wear out quickly, though harder tire compound will be less grip, but will continue in a relatively long time. Your selection is set mainly affected by the type of race you plan to do, and your budget. For serious racing, you need a soft tyre compounds to be competitive. If you plan to do mostly street driving and / or do not have money to frequently replace tires, to go with difficult compound.
The second factor to consider is the tire contact patch, or area where making contact Tyre. You want to get in touch with the largest patch, which can be obtained. When several tires are in contact with the ground, the tire could do more forces and allows your machine to achieve higher speeds.
The lateral contact patch is determined by the width of tires and tread pattern that is at the wheel. (Usually it is provided in the width of the tyre specifications, the overall width or section width of the tyres, rather than the width of the facts of the tyres with regard to land. Nevertheless, some manufacturers will provide the actual breadth of the contact patch, Which should be a bit less than the overall width of tire.) If the tire has very little tread contact patch will be more (since there are fewer gaps on the surface of tyres for tread) and will have more tyre grip. Tires without any tread, which are used only for racing, called the spot. Spots will maximize the car cornering ability, but is illegal and dangerous on the streets. Typically, if you plan to drive on the street, the use of tires with at least three vertical treads. They are often called semi-slick tires.
You can use your choice of tyres to change the handling characteristics of the width of your car. For example, if your car tends to understeer, you can increase the width of the front tires to enhance the front grip. Also, if your system produces considerable authority, you must strive to achieve maximum width of the drive wheels to make sure that you can get power ground.
The third factor must be taken into account when choosing a tire sidewall height. High flexes a shorter sidewall. Thus, short sidewall tires provide more precise steering feel than tires with high side walls, but with the high side makes the car feel more forgiving and less twitchy. In addition, short sidewall tires allows travel on the harsh streets. For dedicated race car, so, obviously, insignificant.
Tire pressure can be adjusted to change the handling characteristics of your car. By increasing the pressure tires, you lead the tyre profile to become more round, which reduces the amount of contact patch. You will also cause the spring rates at this corner of the car because you are doing to increase the tire harder and, consequently, " bouncier ", filling it with more air. Both of these results subtract tyre grip. With the increasing pressure of front tires, the car will be tighter (added understeer), and if you increase the pressure of the rear tyres, the car will be free (added povorachivaemost).
Lowering causes of the inflation pressure tires for SAG, which increases the amount of contact patch. In addition, it effectively reduces the rate of spring at this corner of the car and makes tires, the temperature increase. Additional rolling drag (or friction), prepared by sagging of the tire is responsible for changes in temperature. These factors provide the tires with more grip. If lowering the pressure in the front tires, the car becomes less, and if you decrease the pressure in the rear tyres, the car is becoming tighter. The temperature increase could be desired, if it allows for heating the tires to the recommended operating temperature. Together with overheating tyres may lead to loss of access ", chunking " (tearing large chunks of rubber tire to leave), and generally faster tyre wear. Before making any adjustments to the inflation pressure, find out the recommended minimum and maximum load for your tyre manufacturer. In addition, the experiment with tyre pressures, changing them in small increments until you find the perfect setup.
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