Has anyone had any expierience using "run Flat" tires for road use? I don't have a "mini spare " and I have had them on several cars ( 911, 280 zx, NSX, RX7) and I don't like them plus I like having the storage and prefer to keep the tub out of the back which limits me to the front hatch for any storage at all. A small spare uses it all. Boyd 1973L #5783