Thread: 1965 Chevelle 12 Bolt Positraction
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Old 07-30-2012, 03:15 PM
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Default Re: 1965 Chevelle 12 Bolt Positraction
That could be the first run on 12-bolt positraction and/or GM 4:56 gear set too. The 12-bolt housings were first made in Nov of 1964,the ring gear is dated 11-64 too.
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