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Old 09-07-2003, 08:52 PM
bobbyv bobbyv is offline
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Join Date: Aug 1999
Location: ajax, ontario, canada
Posts: 773
Originally posted by Duke2.6

The above relationship may be rearranged to solve for axle ratio if you know the OE tire's revs per mile and have a good value for revs at any speed.

For top gear the transmission ratio is 1:1 for automatics and 0.80:1 for M103 five-speeds.

what complicates this for an automatic is that you need to be sure that the torque converter is locked up before taking any measurements.
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