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Thread: 12 bolt pinion
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Old 02-18-2013, 05:58 AM
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As far as I know there is no 3.55 for the 8.5 10 bolt either. The pinion gear is very hard and simply turning it down will not be easy. Even with a carbide cutter it will be very hard to do. Grinding it will take a lot of time. You could use a 8.8 Ford rear end.
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