Thread: 70 GTO Rear axle question
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Old 02-03-2018, 02:37 PM
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It’s possible, but not probable. Only the 455 HO was supposed to get the 12-bolt from the factory. The axle code should be one of the following:

3.31 ratio - WU: open carrier, XU: posi

3.55 ratio - WV: open carrier, XV: posi
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