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

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Old Dec 6, 2003 | 09:47 PM
  #1  
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rear end

I have a 85 F150 and the gears are 3:55's. Will a Mustang limited slip unit work in my truck?
 
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Old Dec 6, 2003 | 11:01 PM
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should as long as the splines are the same. I think your 8.8 has 35 spline axles. I heard most mustangs have 28 spline axles
 
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Old Dec 13, 2003 | 03:55 PM
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it might work but i would look to make sure you have an 8.8 in your truck, mine has a 9in in it
 
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Old Dec 13, 2003 | 10:29 PM
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No it won't because Mustang 8.8s have 28 spline axles and most truck 8.8s have 31 spline axles.
 
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Old Dec 15, 2003 | 12:24 AM
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yeah thats what i meant, 31 spline axleshafts.
 
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Old Dec 20, 2003 | 10:40 AM
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Where would be a good place (and cheap) to get a limited slip unit for my truck? My rear end is a 8.8 because the 9" has a hog head and this is a rear inspection plate. Any help?
 
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Old Dec 20, 2003 | 05:32 PM
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How about this?

http://store.summitracing.com/partde...%2D0688%2D3107
 
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Old Dec 25, 2003 | 03:51 PM
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a eaton limited slips go for like 250 for a 8.8 truck
 
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Old Dec 26, 2003 | 08:09 PM
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How would I go about finding what size rear I have? I know its on the door post but should I go to pep boys??? Would they know? thank you
 
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Old Dec 28, 2003 | 01:36 AM
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well depending on a couple things. Whats the gvwr rating, whether its 4x4, what year, and appearance. Also look for a tag on the cover.
 
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