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Show High Speed Dries Tires and Makes Blowout Easy One of the most expert tire men in the country recently called the attention atten-tion of motorcar owners to the manner man-ner in which tire wear increases with speed. The faster a tire travels, the more heat it generates internally. Normal speed does not increase the internal heat to a dangerous degree, but excess speed will not only raise the heat above the danger point, but may actually cause further vulcanization vulcani-zation to take place. This heat not only dries out the friction gum between be-tween the plies of fabric but the very fabric itself, lowering the elasticity of the tire, decreasing its resiliency and weakening the tire so that it will blow out early. |