Think your V8 is big? Think again, because the engines we'll show you here are bigger than your apartment. And we are not talking about big-block engines like Bugatti's 8.0-liter W16 quad-turbo beast ...

While Rob Dahm’s garage is no stranger to monstrous rotary engines, including four-rotor units cranking out more than 1,000 horsepower, this one is mind-bending. Here we have a massive, ...