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Thread: 99-04 GT 8.8 31 spline axles and diff

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    Senior Member Ares's Avatar
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    99-04 GT 8.8 31 spline axles and diff

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    Detroit True Trac 31 spline for 8.8 c-clip. I won't lie it has seen a ton of abuse and 6000-6800rpm launches on slicks. Works ok, not like when new but works. Only issue I ever had was right side cap. The bolts worked loose and it moved slightly. Enough to chip the edge where it bolts down. Cleaned and red loctite the bolts. Removed and was still tight. Easy way to spot if side cap has moved on an older True-Trac if edges are chipped.







    Moser 31 spline axles for 99-04 Mustang GT, have Moroso studs installed. No ABS tone rings as car was not ABS equipped. Top one came from driver side, bottom passenger side. Same as diff, a great many slick launches.



    Axle from driver side, was replaced in 2009 when I mangled the housing.


    Splines from same axle -



    Axle from passenger side, think I installed back around 2005 when I put True-trac in car. So it has seen a few more years of racing compared to other.



    Splines -



    If anyone has need or use for. I'm only looking for $150 for all. Have no need for these since installing a spool.
    Last edited by Ares; 02-24-2016 at 11:27 PM.
    Ed...
    2012 Ram 2500 4x4, 5.7 Hemi, leveled, 35" tires
    2004 Mustang GT - Comp Orange/5speed Best 1/4 11.94@113.64, 1/8 7.59@89.48, 1.57 60' - Best 60' 1.51, just a NA 2v

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