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| I recently started using them in some of our work trucks. Beads came with a chart that tells how many scoops of beads to use in different sized tires. Had to add more than what the chart said. I got a RAM 3500 to run pretty smooth at 70 mph, but vibrates at 75+. Also have beads in a Ford F-350, but it still vibrates at 70, so I guess it needs more. Be prepared to add more than what they claim. I’m assuming if you get the right amount, the vehicle will run smooth at any speed. I haven’t figured out what that is yet. | |
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