Ford 9 Inch 3rd Member Question
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
There are several different types of each, as it depends what the 9" is from.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
Here's a pic from the 1949/59 Ford Passenger Car Parts Catalog. 9" introduced in 1957 Ford Passenger Cars, Thunderbird & F100.
C0AW-4298-A .. Driving Pinion Bearing Retainer Bumper. Catalog says: 1957/59 - discard rubber pad.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
There's one of these C0AW bumpers on ebay, it's used = 95 bucks.
No Ford dealer or obsolete parts vendor has any NOS
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Postmaster
Joined: Aug 2001
Posts: 4,270
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From: Delaware
I was in my '53 F100. I just replaced it with a different ratio R&P and differential. I used a different carrier for the replacement. I thought my 9 Inch rear was from a '71 Torino. It was in the truck, when I bought it, but the whole drive train was '71 Torino at that time. Except for the axle housing, that drive train has been replaced. Even The axle housing was narrowed. One axle is still original, but shortened. That 3rd member was rebuilt with a 3.25 ratio and Auburn differential in 1998.
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Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
I was in my '53 F100. I just replaced it with a different ratio R&P and differential. I used a different carrier for the replacement. I thought my 9 Inch rear was from a '71 Torino. It was in the truck, when I bought it, but the whole drive train was '71 Torino at that time. Except for the axle housing, that drive train has been replaced. Even The axle housing was narrowed. One axle is still original, but shortened. That 3rd member was rebuilt with a 3.25 ratio and Auburn differential in 1998.
The car 9's don't fit the trucks very well, because they are different widths, some have rear coil suspension.
1957/72 F100 is the 9" of choice for 1948/52 F1's and 1953/56 F100's.
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Postmaster
Joined: Aug 2001
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From: Delaware
My axle shafts are right & left specific, but custom lengths, since I narrowed the housing, and tubbed the bed to get 10" wide tires under the bed. I still have leaf springs. 10" wide tires are as wide as I can get without going to coil springs and a 4 bar suspension. I haven't felt the need to do that. My axles are 28 spline. I think some trucks use 31 spline axles.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
My axle shafts are right & left specific, but custom lengths, since I narrowed the housing, and tubbed the bed to get 10" wide tires under the bed. I still have leaf springs. 10" wide tires are as wide as I can get without going to coil springs and a 4 bar suspension. I haven't felt the need to do that. My axles are 28 spline. I think some trucks use 31 spline axles.
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