The B-7 had a V-8 flathead engine from Ford Motor Company. Near this cabin was an underground bunker, with a Ford flathead V-8 generator. The crankshaft development for the Ford flathead V8 was pioneering. Like the V-8, it was also a flathead or L-head engine. His second car was a 1930 Ford, powered by a 1937 flathead. Pontiac successfully competed against more-expensive inline four-cylinder models with their inline flathead six-cylinder engines. It had the new flathead V8 engine. Mechanically, each brand offered its own version of the Ford Flathead V8. The Whitefish Winter Carnival is one of Flathead Valley's most popular events. The only engine was a flathead six producing . Flathead Lake is a natural lake along the mainline of the Flathead River. Kalispell has a public library, a branch of the Flathead County Library. The M1 which has a sidevalve (flathead) engine and a 6V electrical system. It featured a , version of the flathead six engine. A variant name for Flathead Lake is "Selish Lake".