If Ford went and tested a NASCAR engine in a production Ford Fusion, it'd just be silly. Ferrari testing its new 1.6-liter, turbocharged V6 Formula One engine in a LaFerrari hypercar is not silly - it's excellent. Now, we can't be certain if the video shown above is actually Ferrari's new F1 powerplant.
Autoblog , LaFerrari testing with turbo V6 F1 engine?, LaFerrari testing with turbo V6 F1 engine?