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Heavy Head Exhaust Valve Laser Hardened port area of Cylinder Liner Pre-Stressed Stainless Steel Top Ring With - Chrome Face and Sides Fire Ring Piston (turbo charged engine; 14.5:1 compression ratio) 16.0:1 Compression Ratio (turbocharged engine) Redesigned Rocking Piston Pin Increasing - Load Capacity by 50% Nickel-Plated Lower Liner Insert Fluorocarbon Lower Liner Seals Model F Crankcase The most fuel-efficient Diesel engine The newest 645 marine Diesel from General Motors' Electro- Motive Division did not appear overnight. Emphatically not. It was developed after years of painstaking research and innova- tive technological improvements because of our absolute determina- tion, in the face of spiraling fuel costs, to reduce fuel consumption in our Diesel engines. And now it's here. An engine that is some 2.5% more fuel efficient than our 645 EB. Which was 1.5% more fuel efficient than our 645 EA. Which
