Check out this video, where these guys have created a chainsaw using a V-8 engine. A chainsaw is already the most dangerous object you can hold in your hands, but take a look at what this one can do to a gigantic log. Cuts through it like butta.
Laying Into the Cut: A V8-Powered Chainsaw [Jalopnik]
https://jalopnik.com/laying-into-the-cut-a-v8-powered-chainsaw-187363
