Boat engine variety at the 2015 Lake Tahoe Show at Obexsers.

Hispano Suiza made under license by Wright. That engine alone is worth about 50 thou

Dual superchargers?

And I think this is a Liberty airplane engine

http://www.woodyboater.com/blog/2016/08/13/its-show-time-on-lake-tahoe-just-like-you-are-there-over-50-photos/
http://www.woodyboater.com/blog/2014/07/30/lake-tahoe-concours-26-barrelbacks-confirmed-2014-vintage-v-12s-2015/