At home, safe from concrete walls and hay bales. We had a motor mount brake on one of the cars and the timing cover hit the engine frame. Popped a hole in it and took him out 10 laps into the final race. The other car came in 21st without a hitch. Our other team car (not shown) led the race until he lost control passing a slow car with 5 laps to go. Bad idea to put two small radiators in the bumper.