The Aeromarine NAL engine was a six-cylinder aluminium block with two Stromberg NA-1.5 carburetors, producing 450 hp.
The Aeromarine conversion was described in Janes from 1924 to 1926.
Bore: 5 in
Stroke: 7 in
Displacement: 1619 cu.in
Compression: 5.4-1
Overall length: 70 in
Overall width: 30 in
Height above crank centre: 30 in
Rated hp: 450 at 1800 rpm
Dry weight: 915 lb
All Aero 