Re: Rear Axle Ratio Charts For 1967 - 1972 GM Trucks
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I don't think it would be under the mount. Sometimes they are stamped pretty light. There may be some that didn't get stamped. If that is the case you would have to pull the rear cover off, check the numbers on the ring gear and use the "Red" chart in post #2...
Example: If the numbers 41 : 11 were stamped into the edge of the ring gear it would be a 3.73 ring & pinion.
LockDoc
Last edited by LockDoc; 11-19-2013 at 12:47 AM.
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