Production car racing, showroom stock racing, street stock, pure stock, touring and U-car racing are all categories of auto racing where unmodified (or very lightly modified) production cars race each other, outright and also in classes. == Oval track racing == When the first oval speedway built for automobile racing was constructed in England in 1906, ordinary street cars were the vehicles of choice for racing.
Production car racing, showroom stock racing, street stock, pure stock, touring and U-car racing are all categories of auto racing where unmodified (or very lightly modified) production cars race each other, outright and also in classes. == Oval track racing == When the first oval speedway built for automobile racing was constructed in England in 1906, ordinary street cars were the vehicles of choice for racing.
Source: Wikipedia "Production car racing" · CC BY-SA 4.0
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