While not purely 'automotive', I thought these engines to be well detailed.
You're probably familiar with the name "Ilmor". They've been cranking out (pun intended) high performance automotive engines since the early eighties. But they also produce marine engines.
Ilmor MV10 Series
... starting at 550hp @ 5,500 r.p.m. ... and available is colors ...
See Ilmor at: http://www.ilmor.com/gallery.html
>> Click on "Installations" and "Engines"
MAN V12-1550 Gold Standard Series
; 1550 shp @ 2,300 r.p.m.
This engine is a 'commercial' powerplant; the 'Gold Standard' is a refined version, with extended warranty and service, available only for 'private use' vessels; aka: Yachts. The covers are usually painted white.
Makes the acronym B.O.A.T. much easier to understand; Break Out Another Thousand