Rear axle interchange question
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Posting Guru
Joined: Dec 2012
Posts: 1,242
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From: abilene kansas
Rear axle interchange question
Here's another one for you guys: My 1959 F100 has a 3.89 gear ratio. I would like a more highway friendly one, like a 3.23 or 3.42. What other 9" center sections will interchange with the one in My truck?
Post Fiend
Joined: Jun 2003
Posts: 8,209
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From: Black Hills of SD
Just about any 9 inch with 28 splines. The yoke is the only thing that might not be the same as your old one. If it's still the six banger, I'd go with a 3.50. They are the most common too.
Logistics Pro
Joined: Mar 2005
Posts: 3,771
Likes: 80
From: tujunga, calif
Four nut/bolts that go through the axle bearing retainer and backing plate, can be accessed through a hole in the axle flange. After removing the nuts the axles sometimes will come right out, sometimes they need some persuasion.
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bert cook
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
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Nov 23, 2014 07:03 PM
