final drive question

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Jun 16, 2006 | 12:15 AM

kevin18050

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final drive question

hi all hope there's a simple answer to this how do find out the final drive ratio of my rear diff it's on a wrx classic thanks in advance

Jun 16, 2006 | 06:07 PM

gazza19800sti1

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From: uk

yes there is take back of diff casing off count teeth on both crown and pinion, thats the only way i know of to be totally sure

Jun 16, 2006 | 07:07 PM

RB5_245

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uk and WRX are 3.9

STI is 4.1

RA close ratio is 4.44

From what I remember, check up on the SIDC faq's

Dave

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