I have this rear end in my 59 f100 im getting rid of and you guys said i should keep it but need a pic for the ID. so here it is. where would i find the gear ratio thanks
If it's original to the '59 F-100, it's a 9 inch Ford, there would be a tag under one of the nuts that hold the 3rd member in w/ gear rario info. All the early 9 in. Fords I have seen had a filler plug in the rear of the housing. sometime in the 60's Ford changed to a filler plug in the 3rd member. I knew of a few guys that put early 3rd members in later housings & wound up with no way to put the gear lube in !! Bob f