Don't know if it's been posted but damn! http://www.undergroundracing.com/video/UR - Street Tire World Record.wmv
UGR did that on true street tires, no DRs, no ETs, nothing sticky, just plain street tires.
Not flaming at all, but it didn't look like it was going that fast to me. Maybe the camera zoom is what killed the speed effect. I was suprised when I saw the numbers.
Yeah, probably 345/25/20's