I don't know if you're willing to take the rear end out but I've had most of my driveline work done at Proven Force in Little Canada. They don't do in-vehicle work so you'd have to bring the axle there.
Send an email to: [email protected] that is Dan who owns DB Performance. DB Performance specializes in late model mustangs and he actually started out doing gear installs. He does basically anything you want done to your mustang. Very knowledgable in the field. Send him an email and tell him that you got his info from his brother on the Corral.
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