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-   -   How to calculate rear end gear ratio (http://www.clubcobra.com/forums/transmission-talk/122500-how-calculate-rear-end-gear-ratio.html)

chiefshocker 09-25-2013 10:56 AM

How to calculate rear end gear ratio
 
I have an 8.8 mustang rear end. I'm trying to calculate / ID the ring and pinion in it without pulling the cover off and counting teeth.

I rotated the 26" rear weals in gear, for 1 full rotation of the wheel, the drive shaft rotated 3.25 times..

thanks

blykins 09-25-2013 11:47 AM

3.27:1.

john chesnut 09-25-2013 11:47 AM

A quick google for ford 8.8 ratios showed one at 3:27 to one.

chiefshocker 09-25-2013 01:16 PM

Thanks, wasn't sure if it was stock or not.. looks like it is.


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