Yup, that's the part that baffles me. The box looks far too small to contain a crankshaft.

Speaking of oil changes, I don't know if it's a product of the 9x1 engine design, or it being a 3.4 rather than a 2.7, but the oil filter is really tucked away, quite a reach from the bottom of the engine, and is barely accessible by hand. But, it IS accessible, just not nearly as easily as on my 987 2.7, on which I could change the filter simply by driving up on two stacked 2x10's and then sliding beneath the car. The 981 requires jacking the rear end up high. Once under there though, there are lots of beautiful bits of design to admire.