I'm not sure what they were trying to do here?
That beautiful sound is NOT a good thing.
Check out this bad ass chainsaw powered by a V8 engine.
The Peregrine Hybrid Sounding Rocket motor underwent a developmental ground test at NASA Ames Research Center.
This is the craziest tractor you'll probably ever see. Its owner took out this tractor's original engine and replaced it with a turbocharged unit taken off a Volvo 240. Imagine doing burnouts, donuts and drifting with those huge wheels at the rear.