IndyCar has used its current 2.2-litre twin-turbo V6 engines since 2012, with manufacturers Chevrolet and Honda finding ever-smaller areas in which to improve and gain an edge.
IndyCar president Jay Frye said recently that he expects the series to be “pushing” 900 bhp on road and street courses by 2025 with the new engines, with an increase in displacement and boost combined with the …Keep reading