Carburetors aren’t just obsolete, they’re about two tech generations behind today’s direct injection. But they are still an effective means of getting fuel and air into an engine, and the action is kind of mesmerizing.

This is a four barrel Holley carb on a 604 cubic inch crate motor V8. Watching the whole thing open up as the revs rise is, as BangShift notes, oddly satisfying.