3.31 swap
93' and 94' 960s have a 3.31. I swapped a 3.73 in my 91' 940 for a used 3.31 out of a 960. My biggest concern was the driveshaft flange, which swapped just fine. The nut was bigger on the 960 differential, but the spine was the same, so no problem. My 940 shaft flange went right on the 960 differential.
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