Quarter Test

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Quarter Test
Related Categories: Wear Bars | Winter Tread Depth | Stopping Distance | Legal Tread Depth | Stopping Distance And Tread Depth | Measuring Tread Depth With A Coin | Minimum Tread Depth | Tire Depth Penny | Tread Wear Bars | Tread Wear Indicator Bars
  • Spare Change

  • …hydroplane (float) on top of the water, losing traction and increasing stopping distances. It costs a little more to use a coin to test for 4/32". Take a quarter; insert George Washington’s head upside down into the tread in several locations across the tire. If you can see all of his…

  • Pirelli World - Part 2

  • …based in Germany. Similar to their Italian counterparts, the German technical team is quartered adjacent to the test center. The same sorts of indoor tests are carried out here as in Milan, speeding test turnaround time for the German O.E. customers. Two separate tire manufacturing plants are…


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