A flashback to the end of the 1986 F1 Season which was the last season of the ultra high powered 1.5 Turbo 4-cylinder cars, with the Renault engine Lotus producing 1200Hp in qualifying trim and 900HP in race trim. The most powerful engine been from BMW M10 1.5 Turbo with unbelievable 1400 to 1500HP in qualifying trim.