THE EVO ENCYCLOPEDIA THIS MONTH X-Z
X
Letter used to make car names more exciting, especially in the 1980s, e.g. Ford Escort XR3, Nissan Sunny ZX, Subaru WRX STI.
Xengine
Properly bonkers internal combustion configuration in which four banks of cylinders are arranged in an X shape when viewed from the front, with a common crank in the middle. Insanely large and heavy, and hence only ever seen in aircraft and tanks, though it’s entirely possible that Ferdinand Piëch at the height of VW engineering hubris tried to make his team come up with one that would fit
