Along with weight requirements, safety requirements are present. In such cases, the interior is stripped, and the required weight is achieved by adding ballast, allowing precise control over weight distribution. As in some well-known racing events, like NASCAR and NHRA, sanctioned events often require a minimum vehicle weight. Race cars competing in various classes must adhere to a strict set of regulations. Some common modifications include higher quality speakers and subwoofers, amplifiers, and better wiring. Events are held where entrants compete for the loudest, highest-quality audio reception or most innovative sound systems. A custom audio installation can involve anything from the upgrade of the radio to a full customization based around specific audio equipment. 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.Ī stock audio system is one specified by the manufacturer when the vehicle was built in the factory. Although this largely involves modifying the engine and management systems of the vehicle to increase power output, additional changes are often required to allow the vehicle to handle such power, including stiffened suspension, widened tires, better brakes, and improved steering and transmission modifications (such as the installation of a short shifter). The essence of modification of a tuner car is an attempt at a significant performance increase-or the appearance of high performance-from a stock motor vehicle through the addition, alteration or outright replacement of parts. Many drivers would modify their vehicles in an attempt to emulate versions of racing vehicles. As professional sporting and racing with such vehicles increased, so did recreational use of these vehicles. In the United States, this was in direct contrast to domestic car production around the same time, where there was a very small performance aftermarket for domestic compact and economy cars the focus was instead on sports cars or muscle cars such as the Ford Mustang and Chevrolet Corvette.īecause of their light weight and the increasing availability of inexpensive tuning equipment, tuned economy and compact cars exhibit high performance at a low cost in comparison to dedicated sports cars. In the late 1980s and early 1990s, grey import vehicles of Japanese performance cars, such as the Nissan Skyline, began to be privately imported into Western Europe and North America. In the 1970s and 1980s, many Japanese performance cars were never exported outside the Japanese domestic market. With support from Ford, renowned engine manufacturer Cosworth went from modifying English Flathead engines for Lotus Sevens to dominating Formula One racing. The names of Abarth and Cooper appear on models styled after the cars they modified. Both moderate and radical modification have been commemorated in the popular songs Hot Rod Race and Hot Rod Lincoln. Since their invention, cars have always been subject to aftermarket modification. WikiProject Automobiles may be able to help recruit an expert. The specific problem is: this section does not provide an accurate or full description of the history of car tuning. This article needs attention from an expert in automobiles. These changes can range from functional modifications designed to improve the performance or functionality of the car, to visual modifications which alter the aesthetics of the car and, in the case of certain mods, sometimes be detrimental to the performance or functionality of the car. Often, tuning is done at the expense of emissions performance, component reliability and occupant comfort.Īs a culture has grown around modified cars the term tuning has grown to encompass the cosmetic and stylistic changes owners make to personalize their vehicles. The goal when tuning is the improvement of a vehicle's overall performance in response to the user's needs. Most commonly this is higher engine performance and dynamic handling characteristics but cars may also be altered to provide better fuel economy, or smoother response. Car tuning is the modification of a car to optimise it for a different set of performance requirements from those it was originally designed to meet.
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