It's one of those questions you've probably never thought to ask, but the second you hear it, it's stuck in your head. Automakers have produced cars with three, four, five, six, eight, 10, 12, and 16 ...

The title of largest engine ever installed in a production car goes to the Pierce-Arrow Model 66, built between 1910 and 1918. It was powered by a massive 13.5-liter straight-six engine, displacing ...

There was a time in automotive history when 'replacement for displacement' hadn't been invented yet. Sure, you could extract more horsepower with performance camshafts, better (and more) carburetors, ...