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- How do you determin the gear ratio of a differential
JOSLEE
MEMBER
2002 SUBARU IMPREZA
150,000 MILES
I want to change the differential, but it must have the same gear ratio as the other one.
Wednesday, April 18th, 2012 AT 4:37 PM
2 Replies
JACOBANDNICKOLAS
MECHANIC
109,758 POSTS
There should be a tag on the differential itself.
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Wednesday, April 18th, 2012 AT 4:53 PM
CHOPPER
MEMBER
16 POSTS
Count ring gear teeth and pinion gear teeth divide = gear ratio. Or just call dealer with vin number and they can tell you what came stock.
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Tuesday, May 1st, 2012 AT 4:41 AM
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