Quote:
Originally Posted by jakeblues652
fingers crossed that it is 3.73's. guess i'll find out when i pull the cover. my bud has a 71 half ton 3.73 axle.
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No need to pull the cover. Just turn the pinion by hand until the wheels make 1 full revolution and count how many times the pinion goes around. Just make sure both wheels are turning with each other while you do this otherwise the differential action will screw up the count.