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

Rear End Q's

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Old Sep 22, 2010 | 03:25 PM
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Rear End Q's

I'm new to this forum, and to the ford scene. I have a real quick question? My brother has a mid 80's ford 1/2 ton stick truck and the rear end went out in it i got the tag numbers off it. I was wondering if anyone could tell me what type of rear end it is? 9" or whatever else ford makes.

S806A
08 88 6G22
those are the numbers i appreciate the help.
Thanks
 
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Old Sep 22, 2010 | 03:51 PM
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You missed the first character in the 2nd line. There should be a number to the left of the 08.

Your second line is probably:

3 08 88 6G22

This is a 3.08:1 open carrier 8.8" rear.

If it is 3L08 88 6G22 it would indicated a 3.08:1 posi carrier 8.8" rear.
 
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Old Sep 22, 2010 | 03:56 PM
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Thanks Man, yea thats all the numbers i could see on it.
 
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Old Sep 22, 2010 | 04:39 PM
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The first # is usually hidden by the bolt that holds the tag on
 
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Old Sep 22, 2010 | 04:40 PM
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They always poke the bolt hole through the first number.
 
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Old Sep 22, 2010 | 05:16 PM
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Yea I pulled the cover off after ordering the parts, again thanks for the info guys, and yea u could barley make out the first number.
 
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Old Sep 22, 2010 | 11:40 PM
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As has been said it's a 3.08 ratio 8.8" rear. The pinion bearing went out on our '83 F-100 a little while back. It now has a 8.8" out of a '91 F-150 under it. just took $200 at the wrecking yard and a few hours of sweat equity.

To keep the same axle and ratio just go to the salvage yard and find a F-100 or F-150 with an axle code of "18" or "H8" on the door jamb sticker. The H8 code is for the limited slip model.
 
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