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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

rear axle codes

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Old Nov 19, 2001 | 11:48 PM
  #1  
mmcannally's Avatar
mmcannally
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From: Marbury USA
Post rear axle codes

I'm new to the forum and glad that I found it. I just finished swapping the 300 I6 in my 86 F150 for a 351W HO 4 barrel from an 85 F150. So far, its great. My question concerns axles. The rear axle in my 86 is a code 18, and the rear axle in the 85 is a code 14. What are the ratios of each and which is more suited to daily driving? Both trucks have a C6 tranny (code K).Thanks for the help.
 
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Old Nov 20, 2001 | 12:34 AM
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rear axle codes

Code 18 is a 3.08 ; Code 14 is 3.00 . Of the two Id opt for the 3.08 , Its still geared kinda high but it will deliver decent mileage & still give you Ok hauling & towing ability .
 
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Old Nov 21, 2001 | 07:38 AM
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rear axle codes

where do you find the rear axel code?
 
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Old Nov 21, 2001 | 06:45 PM
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rear axle codes

 
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Old Nov 21, 2001 | 11:05 PM
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mmcannally
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From: Marbury USA
rear axle codes

The axle code is located on the VIN/ info label on the drivers side door jamb, at least it is on my 86 and the 85 I got my motor from. Thanks for the information, BTW.
 
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Old Feb 3, 2002 | 10:40 PM
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From: Kadoka United States
rear axle codes

check out the little metal badge on the rear end housing, all of your questions will be anwered there, gear ratio, and weather or not it is posi, limitted slip, or just a regular rear end.

 
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Old Feb 3, 2002 | 10:47 PM
  #7  
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Mil1ion
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rear axle codes

Hi Big, You're trying to throw me off aren't you.

Just a heads up !

His original post and the his reply that he had the info was done in 2 days.
November 20-22th * 9 weeks ago *.

Check the dates on the post

Btw, Welcome to FTE !

Dennis



Please Don't Ask Me Any Tough Questions As:
"I'm Saving My Memory For When I Develop Alzheimer's"


78 F-150 429CJ,Silver
w/Explorer Pkge.
641/2-Mustang 260,Pre-World's Fair Car.
64-Fairlane500 S/C waiting for a 390-4spd.
68-Mustang 289-Sunlit Gold 80,892Mi
78-Buick LeSabre 403 4V
84 Volvo DL Wagon
 
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