rear interchange

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Mar 7, 2000 | 06:01 PM

Jim_1

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Joined: Aug 1999

Posts: 53

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rear interchange

Does anyone know if a later F100 rear will be a direct replacement for a 72 F100. My old one is shot and am having trouble finding a replacement

Mar 7, 2000 | 07:25 PM

jowilker

Fleet Owner

Joined: Jun 1999

Posts: 24,552

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From: Creedmoor, North Carolina

rear interchange

Jim its your lucky day, the 9in. Ford rear gear is one of the most popular items in the world. Find what gear ratio that you have or want to change to and about $75 - 100.00 should get you on your way with 3 Qt. of gear oil, and a new gasket and a couple of hours to change it out.

Good Luck

John

66 F100s
In the still cool hours of the night, you can hear chevys rusting away.

Mar 7, 2000 | 10:07 PM

390GT

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Joined: Mar 2000

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rear interchange

There is a difference between the 9" in 72 and in 80up (2wd only)
the older ones have a 28 spline and the newer have a 31 spline.....or 30...something like that.

Mar 10, 2000 | 07:58 PM

Nathan

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rear interchange

Mar 11, 2000 | 11:35 PM

Trail_Rider

Fleet Mechanic

Joined: Nov 1999

Posts: 1,415

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From: Lower 48

rear interchange

If you want to change out the entire rear axle all you'll have to do is move the pads inboard about 2" each so the new axle bolts up to your springs.

Trail Rider

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