Knowing the part #'s and gear ratio's, we can figure what is the best pinion
gear to use no matter what tire size. It's all mathematical. If you like, I
can compile a list for all tire sizes, in 1/2 in increments, with the gear
ratios shown on the chart. It looks like the largest# of teeth (i.e. lowest
effective ratio) is 45 teeth, and the smallest is 24 teeth (highest effective
ratio). So, as long as you dont have a combination of 2.76 gears and greater
than 30" tires, there should be a pinion gear which will get you close to the
proper speedometer readings.
Steve M.
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