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Old 09-14-2019, 12:28 PM
William William is online now
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No idea on what the 5 means. First one I have seen.

The 'C' prefix on rear axles was added when production resumed early August '69. Possibly because it may cause service confusion, it appears the C was subsequently peened over on some axles [mostly CBU] .

More info here:

http://www.camaros.org/forum/index.php?topic=10375.0
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