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ok i have a 1978 f-100 2wd standard cab short bed.it has a 300 in it. i was wondering how i could find out which axle and gear ratio i had. the tag is no longer there thanks for any help
Jack up one side of the rear,and mark the backing plate to the drum,and then mark the pinion to the housing,and then spin drum 2 turn's,and count how many time's the pinion turn's.for exsample if it turn's 3.5 time's to 2 full turn's=3:54's.This is for limited slip type's.Does the cover come off from the rear of rearend or does it come off from the front?probaly a 9".This i was tought in scrapyard school.(LOL)
they houseing plate bolts onto the back so its not a 9 in.the reason i want to know is i want to put in a locker would you guys suggest buying a new locker and possibly the whole rear end or go to the junk yard and find one? thanks for the help