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splines in a 9.75 diff?

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Old 01-15-2008, 02:06 PM
02SC4x4's Avatar
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splines in a 9.75 diff?
can someone tell me if the 9.75 diff have a spline count like the 8.8's or is there just a 9.75 diff and thats it. no spline count, or if there is it doesnt matter.
brad.
 
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Old 01-15-2008, 07:46 PM
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8.8 rear is 31 spline
9.75 is 34 spline
 
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Old 01-16-2008, 12:06 AM
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when does a 8.8 diff have a 28 spline?

my front diff is a 8.8, how do i tell if its 28 or 31?
 
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Old 01-16-2008, 08:42 AM
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Front is 28

4.0 rangers, lincoln, crown vics etc. 28 spline

All F150 rears 31 spline
 
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Old 01-16-2008, 10:38 AM
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Originally Posted by Engineered Perf
Front is 28

4.0 rangers, lincoln, crown vics etc. 28 spline

All F150 rears 31 spline
Right on
 
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