Speedos Off

Just how accurate is your speedometer/odometer?

Did you get a ticket recently when you thought you were going under the speed limit? Has traffic been moving a lot faster or slower than you'd think after you had new tires or wheels installed? If so, your speedometer - and quite possibly your odometer, too - might be significantly off. Figuring the error is relatively easy, and something you should do if you think it might be significantly off. It involves a bit of driving, though, so save it for a road trip when you're bored.

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