I've run the Cobalt Friction XR2 front / XR4 rears during the past year on my 1LE for track weekends and was very impressed. Great stopping power vs. stock, very linear and predictable bite, and very reasonable rotor wear. I had three full track weekends on my first set, and could have likely done another day without a problem. I bought the exact same ones for my second set. I only got to use those for 2 20 minute sessions at the last event before weather wiped out the rest if the weekend. I've actually just sold the 1LE as I aggravated an old left knee injury and am having surgery next month. If someone wanted to get my set of Cobalt Friction pads for a track set, they still look essentially new. They are $600 for a set, and I'd let them got for $300 shipped. You can also talk to Rob at Wretched Motor Sports about Colbalt Friction Pads. They are a Pedders suspension shop and know their way around a track in Camaros. Let me know. I'd be glad to send pictures of the pads.
Phdpsyla@yahoo.com