Vehicle Information
Numbers must be entered as decimals, example 71 1/4" would be entered as 71.25.
Enter your tire size (the diameter may vary slightly depending on the manufacture if in doubt use manufactures posted diameter)
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Here is a list of common transmissions with their drive and driven gear teeth numbers
Transmission |
Drive Gear |
Driven Gear |
200-4R |
10-13 |
26-31 |
TH350 |
7-10 |
17-25 |
TH400 |
15-21 |
32-45 |
700-R4 |
15-20 |
32-45 |
4L80E |
15-18 |
34-45 |
Muncie |
6-9 |
17-25 |
T-10 |
6 and 8 |
20-25 limited sizes available depending on drive gear O.D. |
T-5 , T56 and Tremec |
7-9 |
17-22 |
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