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Old 12-24-2015, 10:46 PM   #3
Mike C
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Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,739
Re: 1969 Help please -C20 Rear end change

You can get 3.23 or 3.42 gears in either the FF or SF GM 14 bolts, but 3.73 is by far the most common in either flavor. You can relatively easily get 3.54 in a Dana 60 but not super easy to find in the coil sprung variety and obviously either of the 14's requires welding.
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