The Razor Blade engine, which was based on half a 1921 three-litre eight-cylinder Ballot engine and produced 55bhp at 4,200 rpm,  had been developed for the 1922 French Grand Prix by Mercedes.
The Razor Blade engine, which was based on half a 1921 three-litre eight-cylinder Ballot engine and produced 55bhp at 4,200 rpm,  had been developed for the 1922 French Grand Prix by Mercedes.