How To Modify Your Car For Street Racing – “Automatic configuration” redirects here. For the principle of automatic correction, see Self-tuning. For the sound processor, see Autotune.
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How To Modify Your Car For Street Racing
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Car tuning is the modification of a car to optimize it for a different set of performance requirements from those it was originally designed to meet. Most often this is higher engine efficiency and dynamic handling characteristics but cars can also be changed to provide better fuel economy, or smoother response. The goal wh-tuning is the improvement of the overall performance of a vehicle in response to the needs of the user. Often, tuning is done at the expense of emissions efficiency, component reliability and occupant comfort.
As a culture grew around modified cars, the term tuning grew to encompass the cosmetic and styling changes that owners make to personalize their vehicles. These changes can range from functional modifications designed to improve the performance or functionality of the car, to visual modifications that change the aesthetics of the car and, in the case of certain modifications, sometimes be harmful to the performance or functionality of the car.
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Since their invtion, cars are always subject to modification. Most of the earliest cars were made individually by hand and not by a factory, and as such there was little meaningful distinction as yet between factory and custom or aftermarket modifications to a car. However, as mass production of cars began to increase, this distinction emerged. Some of the earliest examples of cars modified from their original specifications for improved performance were cars modified for racing or off-roading. In the early 1900s, some of the most popular cars to modify for racing were Ford Model Ts and Model As, often modified to race on dirt tracks and dry lake beds.
Some of the earliest dedicated off-road vehicles were made using the Kégresse track system, starting in the late 1910s, which attached tracks to an ordinary car in place of the rear wheels for improved off-road traction.
The term “tuning” was used throughout most of the 20th century to refer to the maintenance and modification of various mechanical systems on a car’s engine, with “tune-ups” being a common service offered by mechanics. The terms “tuning” and “tuner car” began to increase in popularity in the United States in the 1980s and 1990s to refer to the increase in people modifying foreign cars, typically Japanese cars. This was contrasted against the previously dominant culture of car customization that grew primarily around customizing domestically produced American cars.
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The esce of modifying a tuner car is an attempt at a significant performance increase – or the appearance of high efficiency – of a stock motor vehicle through the addition, change or direct replacement of parts. Although this mostly involves modifying the vehicle’s engine and management systems to increase power output, additional changes are often required to allow the vehicle to handle such power, including stiff suspension, widened tires, better brakes, and improved steering and transmission modifications (such. such as the installation of a short shifter). Although largely insignificant in terms of appearance, certain modifications such as low-profile tires, altered suspension, and the addition of spoilers can change the overall appearance of the car, as well as adding downforce to increase traction.
A stock sound system is one specified by the manufacturer when the vehicle was built at the factory. A custom audio installation can involve anything from upgrading the radio to full customization based around specific audio equipment. Evts are held where passers-by compete for the loudest, highest quality sound reception or most innovative sound systems. Some common modifications include higher quality speakers and subwoofers, amplifiers and better wiring.
Racing cars competing in various classes must adhere to strict regulations. As in some well-known racing events, such as NASCAR and NHRA, approved EVs often require a minimum vehicle weight. In such cases, the interior is stripped, and the required weight is achieved by adding ballast, allowing precise control of weight distribution. Along with weight requirements, safety requirements are prestigious. Requirements differ for different classes. Roll cages, fire extinguishers, reinforced bucket seats, seats, and the like are some of the required safety modifications. Roll cages can be difficult to install when the stock interior is prestige.
Some tuners will have “gutted” interiors, or omit features that many ordinary drivers would find desirable or necessary, such as sound systems, air conditioning and soundproofing, to reduce vehicle weight.
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Gine-tuning is the process of modifying the functional characteristics of a machine. In a typical engine layout, there are various mechanical and electronic elements such as the intake manifold, spark plugs, and mass air flow sensor. Modern gins employ the use of a gin control unit to provide the best balance between performance and emissions. Through the OBD communication protocol,
Electronically controlled aspects of the machine can be modified in a process known as mapping. Mapping can either be done by changing the software inside the ECU (chip-tuning via firmware modification), or by providing false data via add-on hardware. Other stand-alone gynecomastia systems are available; these systems replace the factory computer with one that is user-programmable. gine tuning often involves the use of a dynamometer to provide baseline performance and post-tuning metrics.
Mechanical components of the machine can also be added or replaced, such as forced induction systems such as turbochargers or superchargers.
Inappropriate, incorrect and poorly executed gene modifications can have a detrimental effect on performance and reliability. Mechanical and electrical components can suffer or simply fail as a result. An example would be the use of an air compressor such as a turbocharger to increase the volume of air used in the power stroke of the Otto cycle. In a typical chemical reaction, the air-fuel ratio should be a minimum of 14:1. If higher ratios are used, higher pressures and temperatures are observed in the cylinders,
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Neglect of such operating parameters can lead to premature failures, such as warped cylinder heads and walls, broken piston rings, cracked or bt connecting rods and crankshafts, total cooling system failure, engine fire, engine detonation, engine seizure and ev explosions. This can all lead to very expensive repairs, as well as being very dangerous.
Suspension tuning involves modifying the springs, shock absorbers, anti-roll bars and other related components. Shorter springs offer greater stiffness and lower weight at the potential cost of unwanted changes in suspension geometry.
Stiffer shock absorbers improve dynamic weight transfer during cornering and normally have shorter internals to prevent them from bottoming out when shorter springs are used. Stiffer rockers reduce body roll during cornering, thus improving the grip that the tires have on the surface by reducing suspicious geometric changes caused by rolling; this also improves handling response due to faster weight shift – similar to stiffer springs.
The danger with too stiff anti-roll bars is the lifting of the inner wheel, causing a loss of traction. By increasing the rolling resistance of one d of the car, weight transfer is contracted at that d, causing it to slip more than the other. This effect is used to control the over/understeer characteristic as well as to reduce roll. Other components that are sometimes added are struts that improve body rigidity and help better maintain proper suspension geometry when cornering. On some cars, certain braces or anti-roll bars can be retrofitted to base model cars from sports models.
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For off-road vehicles, the emphasis is on strengthening the suspect travel and installing larger tires. Larger tires – with or without larger wheels – increase ground clearance, travel over rough terrain more smoothly, provide extra cushion and reduce ground pressure (which is important on soft surfaces).
These suspension modifications are in contrast to lowriders, which use hydraulic or pneumatic suspensions. Lowriders use another type of suspension setup in which the height of each individual wheel can be quickly adjusted using a system of rams that, in some cases, allows the wheels to “bounce” completely off the ground.
Body tuning involves making modifications to the body