5.0 Racer - I also use the R4 pads and agree, they are very good.
Gentlemen, their is a NASA event @ VIR Feb. 22 (for which I can't attend) I am running the other VIR events. Right now sign up's are open for MAZDA days March 29th and 30th, north course. About $300 for the event.
5.0 Racer - Do you ever ever run VIR?