PPG IndyCar World Series: Al Unser Jr (USA) Penske PC23 Mercedes, in-car, talks with team boss Roger Penske (USA) and his engineers. PPG IndyCar World Series, Indianapolis 500, Indianapolis, USA, 9-13 May 1994.
Al Unser Jr (USA) Penske PC23 Mercedes, in-car, talks with team boss Roger Penske (USA) and his engineers.
PPG IndyCar World Series, Indianapolis 500, Indianapolis, USA, 9-13 May 1994.