It's one thing to know your super high-tech new street/track toy can steer its rear wheels to improve maneuverability at slow speeds, or increase stability at high speeds. But it's another thing to actually see that steering process in motion--after all, you're usually in the car driving it when it happens.
Fortunately, there's this video from Elephant Racing, which demonstrates just how the rear-steering system on Porsche's newest 911 GT3 works. You'll see the actuation rod that does the actual rear-wheel steering, how the movement is handled by bushing compliance in the other rear suspension components, and what it looks like with the wheel both on and off.
It's a simple thing, really, but also amazingly complex in its interaction with the driver's inputs. Having experienced the same steering system in the new Porsche 911 Turbo for ourselves, it's also almost completely transparent to the driver; it's something that just happens, and is only somewhat noticeable at parking lot speeds.
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For the full details on the new Porsche 911 GT3, check out our preview here.