Questions about rear suspensions.

[LMH]

Originally Posted by joyridin'

You really need the IRS set-up from a 2003-2004 Mustang Cobra. They are a lot heavier duty due to the the terminator engines. They will hold up to 500 or more hp without too much of a problem. Earlier IRS versions did not have 31 spline etc.

That's what I used along with a super strong rear cover with preload on the bearings. I also had The Driveshaft Shop make 300M axles for the center shafts. Turned out really nice.
Larry