Ok ok ok, this is worth discussing. MB...current partner with Nissan just announced a new 3.0 INLINE 6 pumping out 400hp and 500 ft lbs.
http://www.autoblog.com/2016/10/31/2...-six-cylinder/
All of a sudden a MB/Nissan calabo on a Z/??? doesn't sound all that horrible. Return of the 300zx??