Originally Posted by Cito Pelon
The trouble with the Mustangs is the solid rear axle. 4 wheel independent suspension is a must for a performance car.
You are certainly correct there-I know the earlier Cobra's came with IRS, as my brother-in-law is currently installing one in a '67 Mustang Fastback-
And, of course, it depends on what you call a performance car-I wouldn't want an IRS on a dragstrip-