Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 1957 Chevy rearend
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Old 08-29-2012, 01:57 AM
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usually the ring gear has a stamp on it somewhere,like,,,, 41/10= 4.1 gear ratio. 57s were 3rd member rear ends, so if its posi then turn the tire 1 revolution and count the drive shaft revs
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