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  2. Tire code - Wikipedia

    en.wikipedia.org/wiki/Tire_code

    Starting in 1972 tires were specified by load rating, using a letter code. In practice, a higher load rating tire was also a wider tire. In this system a tire had a letter, optionally followed by "R" for radial tires, followed by the aspect ratio, a dash and the diameter – C78-15 or CR78-15 for bias and radial, respectively. Each diameter of ...

  3. Talk:Tire code - Wikipedia

    en.wikipedia.org/wiki/Talk:Tire_code

    ZR rated tires are mostly for top of the line high performance cars such as Corvettes, Vipers, Mustangs etc. Z meaning it is rated to handle speeds over 140+ mph with a very soft rubber compound for an automobile tire.

  4. Tyre label - Wikipedia

    en.wikipedia.org/wiki/Tyre_label

    Rolling resistance is the main key factor in measuring the energy efficiency of a tyre and has direct influence on the fuel consumption of a vehicle. A set of tyres of the green class "A" compared to a "G" class can reduce fuel consumption by 9% [3] of a passenger car; even more for trucks.

  5. Uniform Tire Quality Grading - Wikipedia

    en.wikipedia.org/wiki/Uniform_Tire_Quality_Grading

    UTQG ratings on sidewall of Toyo Tires Proxes R39 tire UTQG ratings (top) and tire code (bottom) on sidewall of Continental ContiProContact tire. Uniform Tire Quality Grading, commonly abbreviated as UTQG, is a set of standards for passenger car tires that measures a tire's treadwear, temperature resistance and traction.

  6. Tire uniformity - Wikipedia

    en.wikipedia.org/wiki/Tire_uniformity

    Tire uniformity refers to the dynamic mechanical properties of pneumatic tires as strictly defined by a set of measurement standards and test conditions accepted by global tire and car makers. These standards include the parameters of radial force variation , lateral force variation , conicity, ply steer, radial run-out , lateral run-out , and ...

  7. Pontiac Firebird (third generation) - Wikipedia

    en.wikipedia.org/wiki/Pontiac_Firebird_(third...

    WS6 was standard equipment on the Formula and GTA from 1987 to 1992, and optional on the Trans Am. WS6 from 1987 until 1992 included 36 mm front sway bars, 24 mm rear sway bars, quick-ratio steering box, gas-filled struts and 16-inch wheels with 245/50R16 tires. Later WS6 cars used ZR rated tires.

  8. Scientists Link Popular Drink With Over 330,000 Deaths a Year

    www.aol.com/lifestyle/scientists-popular-drink...

    "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Sugar-sweetened beverages may increase your risk for heart disease and type 2 diabetes, new research ...

  9. Open-road racing - Wikipedia

    en.wikipedia.org/wiki/Open-road_racing

    In addition to the above equipment, all cars must be fitted with a rollbar or equivalent roll-over protection. Drivers and navigators must wear fireproof racing suits. At no time may the car exceed the Tech Speed of 168 mph (270 km/h) (the speed rating of ZR tires).

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