Do I need spare tire

[BLK HOLE]

Sorry. Dynamic radius is not the same as actual radius, directly affecting rpm’s on the wheel it’s on.

Good luck.

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[WILDHOBO]

your response makes no sense. Put a tape measure around a 37” tire at 35psi, assuming for conversation that it’s truly 37”. It will be 116.18” in circumference. Now deflate that tire to 25psi and take the same measurement. It will be the same. Regardless of how much flatter it is, the axle will rotate at the same speed. Dynamic radius is a real thing, but doesn’t affect axle speed when talking about the difference between 37” tires, and a temporary 33” spare.

 

[Bjeepz]

Gosh dang, wish I’d never accidentally opened this old thread.

Put your keyboards away ffs and go get real spare tires!!!

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