2010 Mustang – Axle Information

2010 Ford Mustang Axle Information & Ratios

 

Year Engine 7.5 Rear 8.8 Rear Axle
splines
Type
axle
1979-1985 ALL Yes 7.5″
1986 – 2010 V8’s Yes 8.8
1986 – 2010 4 & 6 Cylinder Yes 7.5″
1999 – 2001 Cobras 8.8 IRS
2003 – 2004 Cobras 8.8 IRS
2011- 2015 All 8.8
1979 – 2004 ALL 28 spline axles
2001, 2003, 2004 SVTs 31 spline
2005-2010 V6 28 spline
2011-2015 V6 31 spline
2005 – 2015 V8 31 spline

Using the diagrams below, you can determine which size differential you have. Notice that the 8.8 is square and the 7.5 has a flat top and round sides.

Axle code on B pillar Ratio & type
BG 3.31 Conventional differential Std. on V6 Mustangs
CD 3.55 Locking differential Std. w/ manual transmission
CG 3.31 Locking differential manditory on GT Automatics
CB 3.73 Locking optional with manual transmissions
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