Alex suffered some engine damage at last years VW Action at Santa Pod . He had been doing really well , with little track experience , managing to get down to 13.2 on regular Pirelli radial tyres . Unfortunately he suffered valve float during a rolling burnout , not helped by the fact that the rev limit chip was missing from his MSD6AL box . So an expensive lesson was learned that day . The valve keeper locks came out and the valve dropped out . Luckily the piston pushed the valve back up the inlet port , and while it damaged the top of the piston , and destroyed the head and marked the barrel , no bottom end or case damage occured . So the damage was bad , but could have been worse .