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Platinum Member
Join Date: Jul 2001
Location: Leave the gun. Take the cannoli.
Posts: 21,375
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In the 70's the station I worked at had a tool that was basically a pipe with two pointers. We would mark the tire on both sides, at the pointers, roll the car forward 1/2 revolution, and measure the distance between the points.
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Political polls are often to give you an opinion, not to find out what your opinion is - Scott Adams
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