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C9 axle code...What's it mean?

C9 axle code...What's it mean?

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Old

Dec 17, 2003 | 04:45 PM

#1

DannyP

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Elder User

Joined: Jan 2000

Posts: 656

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From: Gravel Switch, KY

C9 axle code...What's it mean?

Looking at a 97 F250. It has a C9 axle code. Anybody know what ratio this is? Does this code tell if it is a locker?
Thanks,
DannyP

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Old

Dec 17, 2003 | 06:23 PM

#2

rclarke

Posting Guru

Joined: May 2003

Posts: 1,525

Likes: 3

C9 is 3.55 limited slip. Here's a lookup chart:

http://www.drivetrain.com/Fordtrkratio_posidata.html

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Old

Dec 17, 2003 | 08:30 PM

#3

DannyP

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From: Gravel Switch, KY

Thanks for the help!
DannyP

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Old

Jun 3, 2024 | 03:08 PM

#4

S.ASELTINE

1st Gear

Joined: Jun 2024

Posts: 1

Likes: 0

mine says same code and mines definitely pozi or however you spell it lol.
isnt that much different then limited slip? and im here to learn more so i say anything and everyhting with the fact that i could be wrong and/or corrected and im ok with that please teach me anything you may know! lol thanks everyone im new here!

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Old

Jun 3, 2024 | 06:04 PM

#5

tjc transport

i ain't rite

Joined: Mar 2005

Posts: 65,481

Likes: 5,542

From: Marlboro Mental Hospital.

Club FTE Gold Member

#1: 21 year old thread.
#2: both posters have not logged on in a LONG time.
#3: positive traction or posi is a GM thing. ford calls it limited slip.

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Old

Jan 27, 2025 | 10:33 AM

#6

jetty

Tuned

Joined: Dec 2017

Posts: 293

Likes: 29

From: Houston

If its been in service since 2000 its been an open diff since 2001.

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Tags

1987, 1994, 1997, 93, axl, axle, c9, code, f250, f350, ford, limeted, slip, transmission, vin

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