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Old 05-08-2007, 08:48 AM
hotrodder65 hotrodder65 is offline
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12 bolt posi 9.375

I aquired a 12 bolt positraction from a wrecking yard (QA 0229)[0229 is the manufacting date?]. I was told it was from a 1971 buick riviera. The Hollanders interchange manual listed it as a 12 bolt positraction with heavyduty gears and axles from a 1971 buick riviera{probably a GRAN SPORT, or G.S.}. Any additional information would be appreciated. i.e. is this a good-tough, rugged, long lasting- differential?
thank you
hotrodder65
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