While you might be able to make a pretty good guess as to why the Ford 427 V8 was called the "side-oiler," the history ...

The automaker's answer was a 7.0-liter, 426-cubic-inch displacement engine. It used the same block as Ford's earlier 427 FE V8 but incorporated numerous performance upgrades to improve power output.

An experimental race engine that was canceled before it got to race, the Mark IIS "Mystery Motor" remains one of the most fascinating V8s built by Chevy ...