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Rear Axle Ratios - Printable Version

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Rear Axle Ratios - Tod - 27-11-2019

Can anyone please tell me how to check the Rear Axle ratio without removing and stripping the axle.
I seem to recall reading somewhere how to do this.
Tod


RE: Rear Axle Ratios - Rogerfrench - 27-11-2019

Mark a rear tyre where it touches the ground. Push the car through one complete rotation of the wheel while counting how many times, and fractions, the propshaft rotates. The U/J is easiest.
If it's just under 5, you have a 4.9
Most common, 5 1/4 times for a 5.25. Just a bit less for a 5.125. Etc., etc.


RE: Rear Axle Ratios - Tod - 27-11-2019

Many thanks for your quick response Roger.
Tod