The 1966 3000 Mark III was powered by BMC’s 2,912-cc OHV straight-six. With a compression ratio of 9.1:1, the engine received its fuel mixture via dual SU carburetors and was rated by the manufacturer at 150 horsepower. this car’s engine is original and was rebuilt around 60,000 miles. Among the mechanical updates are a re-cored radiator, and new positive ground alternator, electronic ignition, performance coil, high-torque starter, fuel pump, and screw-on oil filter, plus Thrush aftermarket exhaust system. No functionality issues with the four-speed manual transmission and the overdrive works. The normal powertrain leaks associated with a British car of this vintage are reported. The engine bay appears to be generally clean in the provided photos. This 3000 Mark III has been refinished in a Chrysler color, Champagne Pearl, with the paint said to date to around 1992 with some paint nick reported. The Dayton wire wheels are said to be “free of pitting” and are mounted with tires that are two years old.