[crillyiv]

Ernie,
I have used Willwood pads but have switched to Porterfield. No looking back. I am much happier with the Porterfield pads. BTW, I have Willwood Superlights in the front and Dynalights in the back. Solid rotors all 'round.

Try the R4S pads and see how they work. I have used them on the street and the track. I think they'd last ten laps no problem, but am no expert. They do work better when they get a little heat in them so be careful on your first stop out of the driveway.