Per my signature I've had several solid rear axles that were ok, but the first time I drove a S550 I was amazed. The IRS made the Mustang a GT car, instead of a drag car. I can get on the gas in a hard turn with the IRS and keep traction (I know, traction control helps here) and not go out of...
I've had some Mustangs over the years that I treated as garage queens and couldn't enjoy them fully. I really wanted a GT350 but decided on the 19GT that I now have and I'm very glad I did because I can enjoy it daily, even in the rain. I'm sure I would have treated the GT350 as a garage queen.
I had a 17GT that had the dreaded vibration and traded it on a 19GT that I now have. I have 8000 miles on this 19GT and it's starting to have a minor, noticeable, "rumble" that I can hear on quiet roads at 65+ mph. This is somewhat different from the 17GT that had the "vibration". Makes me...
Good points guys. It's probably not worth messing with. I guess if I'm going from a 40 to 35 ratio tire my speedometer will be reading slightly fast which is better than the opposite. It will be reading 65 mph when I'm really doing about 60 mph. And I can look at the GPS for the real...
For my novice status heavy wheels are not an issue, I don't think. My street tires will need to be the same 275/35/19 ratio, on the 9 inch rims, for the speedometer.