Those are great cars (fast and comfortable) and very reliable, but they make a pretty lousy track car. Unless your track is very fast with few turns, you'll suffer tremendous tire and brake wear (brakes are definitely not up to the task on most tracks).
--
73 Carrera RS 2.7 Carbon Fiber replica (1,890 lbs) Former: 73 911S, Two 951S's, 996 C2, 993 C2