car drivers will always overclock your speed... most cars are calibrated about 5mph slower on their speedo to keep people within speed limits... if a car clocks you at 30mph chances are your going about 25 or 26 in reality.
@JS-187 started
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car drivers will always overclock your speed... most cars are calibrated about 5mph slower on their speedo to keep people within speed limits... if a car clocks you at 30mph chances are your going about 25 or 26 in reality.