the code, e.g. "18V-Z" was use for some United States (except California) MG MGB engines. See also BMC A-series engine References External links List of engine codes B series engine description at "the unofficial Austin Rover resource" "Perkins - Heritage Snippets - The story of the 4.99 / 4.107 / 4.108 Engine" British Leyland engines BMC engines Diesel engines by model Gasoline engines by model Straight-four engines Straight-six engines