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

diff id help

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Old Dec 13, 2005 | 10:57 PM
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bronco840
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diff id help

I know it is on the sight some place but I have not found it. I am building a '84 bronco and was about to put a locker in the rear but noticed i am able to spin both wheels at one time in lose dirt but if I suspend one end in the air it will not drive the other side very well. I pulled the tag and got a bunch of # off it but come up short on id. please help!! tag reads WDR C1 3G26
3 08 B B SB32B
i KNOW IT IS A 308 RATIO and was told it woul have a L for locker but dont know how to id a posi. Also the door plat showes a 18 axle code. plese help.
 
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Old Dec 13, 2005 | 11:37 PM
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An axle code of 18 (two numbers) I believe indicates an open differential. If it had a letter as well, such as H9, it means it would have limited slip. That's my understanding anyway....
 
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Old Dec 14, 2005 | 10:38 PM
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THe second line on your rear axle ID tag should read 3 08 8 8 ..., as you have the Ford 8.8" with open gearing. You're right in that if it was L/S, there would be an "L" as in "3L08 8 8..." and the door jamb code would be H8, or H82 if it also had front L/S from the factory.
 
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