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28 or 31 splines

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Old Aug 28, 2006 | 05:04 PM
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Elephantman727
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28 or 31 splines
I have a 99 f-150 8.8 open rearend and I wanna buy a locker but I'd rather not take it apart to find out if its a 28 or a 31 spline axle...does anyone know off hand which one it is???

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Old Aug 29, 2006 | 01:51 PM
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skilife17
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From what I have read the 8.8 in the trucks are 31 spline axles. Someone correct me if i'm wrong.
 
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