Thread: Does anyone produce a 12 bolt for a 73-77 GP?
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Old 08-24-2019, 08:27 PM
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hgerhardt hgerhardt is offline
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Join Date: Dec 2003
Location: CA
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There was a '10-bolt' with an 8-7/8" ring gear that was used on '73-'77 A-body wagons. Our '76 Buick A-body wagon had one.

Factory gears for that ranged from 2.56 to 3.23.

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