Tire width changes over time

Ruger said:

I don't buy it.

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bigrig said:

Hey FRF'ers check this out. After too many beverages on memorial day I decided it was time to post a random thread to the tire forum. In the picture below, a stack of used 35x12.50R17 Toyo MTs (about 3000 miles) against a new set of 37x12.50R17 Toyo MTs.

I found it interesting that the old tires were wider overall. Can I assume that riding on low pressure over extended periods of time and jumping the truck stretches the rubber so the tire becomes slightly wider?

I sort of expected that rubbing and tire clearance issues would be reduced over time since the tire would become smaller when the rubber wore off, but this adds a different dimension to consider since the tires appear to get fatter over time.

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two0seven said:

After studying the picture some more you can definatly tell that the used tires are sticking out more look at the gaps between the treads on the left vs the tread on the right being much closer together between tires. There appears to be some sideways stretching of the tires.

Wonder if OP has woken up from his drunken slumber yet.

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