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Tire Circumference

2412 Views 9 Replies 8 Participants Last post by  mrcaptainbob
I have a '74 Wheel Horse B 80 that has a snowblower on it. Now in '74 the B 80 only had a 4 speed on it. In an effort to slow it down, I thought I would put some 22x7.50x12 tires on it in place of the 23s. Then I measured the circumference of the tires. The 22s are only 1 3/8" smaller than the others. This isn't going to make much difference in speed, is it?

I've got an 8 speed that I will put in it next year, but don't have time right now.
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Then I may as well just go ahead and change the trans to an 8 sd.....

I guess I'll just ride the clutch alot for now. The problem is just to not overload the snowblower.
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