Ring and Pinion

The tire height makes a big difference on the "final drive ratio" so with short tires, lets say 24-25" tall which is really short, it might be revving a little hard above 60 mph, but even then it wouldn't be real bad. If your running a taller tire (mostly what you see nowadays) that's 26-28" tall they work great. I have 3.55's in my car along with 27.7" tall tires and love them. Nice balance of good acceleration and good street manners.