I defy anyone to find a 20' basser that can get 10 miles per gallon. Any boat, any gas motor...
This one did it @ best cruise of 36 mph.
Ran 90.2 mph for a top end as well!
A unique combo. Allison XB2002 "FasBass" W/ a 2.6L small-block ETEC Evinrude (rigged with a 250HO 1.71:1 ratio lower-unit)