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We ordered seven tires in all (don't forget the spare). The blue tint easily washes off the white letters.
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Time to retire! Note all the warning signs of wear: rounded shoulders, thin tread (if the head on a quarter shows, the tread is too thin) and cracks in the sidewall. UV rays or ozone (say, from a welding machine in a shop) will degrade tires rapidly.
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Here's the critical measurement on tires for a dually. While there's plenty room in the wheelwell, it's the space between them that matters. Going to a different brand may have a different sidewall bulge at the base, so measure carefully. Spacers may be needed if you change manufacturers, even with same size code.
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Look on the doorjamb for the manufacturer's recommended tires size. You don't have to stick with that, of course, but it's a good starting point before you upsize.
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These fresh Bridgestone Dueler A/T Revo have much more aggressive tread for a tight grip and sure-footed braking, but they cruise quietly on the highway, too. Note the square shape of the shoulders.
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The contrast between old and new is startling. And the Bridgestones are designed to maintain a good grip even as the tire tread wears.
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Changing out the fronts is simple stuff. We kept the same size all around in case we need to get a flat up front.
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The rears have to be mated properly. If we had been thinking ahead, we would have added extensions to the inner air valves, so we don't have to remove the tire to add air. We'll do that when it comes time to rotate the tires.
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Plenty of clearance here, even without spacers. That leaves plenty of reserve room for a larger sidewall bulge as the load increases.
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