Holley, a performance auto aftermarket parts manufacturer, helps make our world a faster place. But talented at social media? Not so much. Here's how one commenter unraveled a fumbled deceptive Holley viral marketing ploy on GM fanboy site LS1Tech.

Carburetors may be simple, old-school, and dirty, but they're also cool as hell. BangShift forum member John Cerone walks us through the process of overhauling one of Detroit's most iconic fuel-squirters — the Holley double-pumper. Long live cheap speed! —Ed.