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534 Posts
Discussion Starter · #1 ·
Here is a Excel sheet to calculate track speed, you can change top or bottom gears and read MPH,
Note this is set up for the drive line of my 05 900,
Clutch ratio is 1:1 so if you have OD it will be different,
You may need Excel to use this.
If it works, I can not take credit for this I got the formula a while ago here from someone else.
If it does not work, ditto!
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