We've already shown you the Mercedes AMG 6.3-liter V8 engine, the world's most powerful naturally-aspirated eight-cylinder engine, exploded, showing us its bits n' pieces. But we found this testing photo earlier today and frankly, thought it was cool. More below.

These ultra-modern dynamic test benches at AMG can accommodate engines with an output of more than 735 kW/1000 hp. The 6.3-liter V8 that's under the hood of the SLS is only half that, so it can take the pressure. Here's some more photos if you're interested. Frankly, who wouldn't be?

Send an email to Ray Wert, the author of this post, at ray@jalopnik.com.