I have the Avon CR6ZZs on my car. They are fantastic road race and street tires. I love them. However, they are not particularly good drag tires. I was only able to knock a tenth of my et using the Avons as opposed to Yokohamas. I just got a set of MT 325/50/15 drag radils. If I can squeeze them into my SPFs wheel wells I am going to see if I can lower my et some more without destroying my half shafts.