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door tag

 
  #1  
Old 04-07-2009, 09:39 AM
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door tag

i just purchased a 1981 F100 Ranger, i'm trying to figure out the door tag.

trans: K = c-6?
axle: 01 = ?

i'm pretty sure its c6 trans, but i cant seem to find the axle info.
I know that its a drum brake 9", but what gears, spline count, etc?

Thanks.

motor is a 300 I-6.
 
  #2  
Old 04-07-2009, 10:39 AM
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Edit: Sorry, I thought it would be applicable to you..

There is a door tag decoder under articles/specs at the top of every page.

https://www.ford-trucks.com/article/...r_Decoder.html
 

Last edited by ArdWrknTrk; 04-07-2009 at 10:44 AM. Reason: Because I checked.
  #3  
Old 04-07-2009, 11:22 AM
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Look under the truck and see if you can find the axle tag there should be one on the front passenger side of the pumpkin. Just post the code on here if you need it decoded.
 
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Old 04-07-2009, 11:48 AM
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S310C
 
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Old 04-07-2009, 11:53 AM
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bottom row: 75 9 s310c
 
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Old 04-07-2009, 12:17 PM
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Old 04-07-2009, 12:38 PM
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i know that it is a drum braked 9", what i'm trying to determine is what gear ratio it has in it...

EDIT: i just found it was looking in the wrong spot on the tag WDM-CL: 31 spline, 2.75:1

Thanks guys
 
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Old 04-07-2009, 05:02 PM
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Confirmed.

Axle Code 01= Ford 9" Rear end, Non Limited Slip, Capacity 2800, Ratio 2.75:1
 
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Old 04-07-2009, 09:21 PM
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its deffinately going to have to change...i'm thinking 3.25 or 3.50 track lok
 
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Old 04-07-2009, 10:48 PM
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82-100,
Tip of the Hat to you! I saw that site briefly six months ago while looking up a code for my truck...then didn't save the site for future ref...got it now. Goes to show, "It's not what you know, it's who you know."
Thanks
 
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Old 10-19-2018, 07:10 PM
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Check for the build sheet under the seat or send away for the build sheet from ford.
 
  #12  
Old 10-19-2018, 09:41 PM
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Originally Posted by Greyf100 View Post
I just purchased a 1981 F100 Ranger, i'm trying to figure out the door tag.

Trans: K = C6

Axle: 01 = ?
01 = Ford 9" Rear Axle / 2.75-1 / No Limited Slip / 2,800 lbs. Rear Axle Capacity.

Edit: (sigh) Geez Louise, I just looked at the date in this thread. It was last typed 4/7/2009 until the in post #11 dug it up.
 

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