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Differential swap question 200 1991

posted by  Xraybob on  Mon Aug 13 06:15 CST 2012
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last visit: Fri Oct 24 05:32 CST 2014
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My son-in-law recently did a auto to M46 tranny swap that went very well. His '91 245 presently has the stock 3.73 rearend in it. We found a rearend from a '85 240 (with M46) that has a 3.31 rearend. Since the '85 speedo is cable driven and the '91 has an electronic speedo with a speed sensor in the diff., can we swap for the '91 for the '85, or is there something that can be done to make it all work? Thanks in advance.
--
'86 sedan with 484,000 miles on the original engine and automatic transmission






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New Differential swap question [200][1991]
posted by  Xraybob  on Mon Aug 13 06:15 CST 2012 >


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