Due to the overwhelming success of Banks-built engines produced for marine leisure and racing use, the company was asked to lend their expertise to the United States Military. Banks developed and supplied twin-turbo gasoline marine engines to the U.S. Navy for SEALs’ covert-action boats. The demand on these engines was grueling with requirements of sustaining full power for extended periods of time all while running on 84 octane “battle gas” (basically the worst fuel available) and needing to maintain an excellent economy… factors essential for military service. These engines were favored due to their reliability, extended range, and the power necessary to complete various missions.
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