Complex sentence: The Lotus 48 was a Formula 2 car based on a 1600cc Ford FVA engine that was run around 1967, notable for being the car in which Jim Clark was killed.
Split into simpler sentences: The Lotus 48 was a Formula 2 car based on a 1600cc Ford FVA engine that was run around 1967. Famously, it was the car in which Jim Clark was killed.