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Calculating Diff Ratio Using Gear Code Stamp

texasz
in Help Me !!

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Ok, I know it's on this site somewhere and I've been searching for about 20 minutes and still can not find it! :(

Using the numbers stamped on the ring gear how do you calculate the ratio?

Do you just divide the two numbers such as:

39-10 = 3.9

37-11 = 3.36

Edited by texasz

First number divided by second.

37:11 = 3.36

39:11 = 3.56

37:10 = 3.70

39:10 = 3.90

  • Author

Perfect, thank you!! That's what I thought, just wanted to confirm.

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