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The 911 | Engine
911 Carrera 4S Cabriolet
Lightweight construction.
The advantages of an alloy
engine are its low weight and
reduced fuel consumptio n.
The intelligent engine design
saves even more weight, for
ex ample, by fully integrating
the camshaft bearings into
the cylinder heads.
Fuel economy has be en fu rther
improved by the effectively
designed oil-supply system and
the low mechanical friction of
the engine.
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