Thread: Ford 9" sizing question

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The 57-59 Ford will have a 26 1/16" driver side / 30 1/2" pass- side axles. Add the 1 1/8" gap between axles and 1/4" for drum thickness and you have 57 11/16" total. Pinion approximately centered. 65-66 Mustang will have 26" driver side / 30 1/8" pass- side axles. Also add 1 1/8" gap and 1/4" for drums and you have 57 1/2" total drum to drum. Pinion approximately centered. Hope this helps.

http://www.therangerstation.com/tech...InchAxles.html
http://www.therangerstation.com/tech_library/Axles.html

You can also use the 8.8 which is found in the ranger pickups, mustangs, T-birds, and explorers, which is said to be almost as strong as the GM 12 bolt.

Hey everyone! So i have some great news! After an epic search I have located a 57-59 Ranchero rear end!!!!! Based on all the info that I've gathered, everything seems to point towards it being the Ranchero rear.... I paid an arm and a leg for it ($400) but it's $ well spent i guess. I looked at the site that 406Rich put up and it seems like the rear end i got is a 57 because of the smooth back, rear facing breather, and the line along top. What do you guys think? Here's some pics of everything except the 3rd member.