The sawtooth pattern is usually from hard braking in my experience. Rotating from side to side will counteract this.

What car are they on? What size tires? What model of tire? Did you ask what specs they set the car to?

Bouncing the car will not tell you if Bilstein shocks are shot.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.