Guest Locutus Posted May 21, 2002 Share Posted May 21, 2002 I need to find out the stock gear ratio and type of rear end in a 1973 Oldsmobile Cutlass, 350 auto tranny. Quote Link to comment Share on other sites More sharing options...
Mike C Posted May 21, 2002 Share Posted May 21, 2002 It should be an 8.5" 10 bolt. Probably 2.56 or 2.73 but I'd just pull the cover off and look at the numbers on the ring gear. I don't put any stock into the decoders for the stamped numbers. (found on passenger side tube on top of the housing about 6" or so from the "pumpkin" FYI) Quote Link to comment Share on other sites More sharing options...
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