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Speedometer reads fast after tranny swap, what the heck can I change? 200 1980

posted by  Volvodad on  Thu Sep 23 04:08 CST 2004
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last visit: Thu Oct 23 16:18 CST 2014
[RELATED]

Nope - being the driven gear, the more teeth on it, the slower the cable - I need either a 22T (10% slower cable) or 23T (15% slower) to solve my 13% too-fast problem. Since the 20T is the most offered by Volvo, they must have changed the pitch of the driving gear on the OD output shaft. Both our 81 (3.73 axle) and 83 (3.31) speedo's are 85MPH units with the code "r 0,980", so one would think their internal gearing is identical.
--
Bob (son's 81-244GL B21F, dtr's 83-244DL B23F, 'my' 94-944 B230FD; plus grocery-getter Dodge minivan, hobbycar MGB, and numerous old motorcycles)






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