Quote:
Originally Posted by mongocanfly
that 3707306 number keeps showing a 55-56-57 rear axle
should be a number beside the GM ...under that tag
remember..a lot can happen in over 60yrs
if you really cleaned up the 3rd member you may find some stamped numbers on it
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I suppose it really could be a 55-57 axle. No clue on ratio though. But I will be doing more cleanup on the axle (I plan to paint it) so like you said maybe I'll find some more numbers there.