2008 Volvo C30 Owner's Manual - Page 223

comparison to a reference oil. 253 11 Specifications Engine specifications 1 Certain markets only 2 The engine specifications for horsepower and torque listed in this table are based on the use of premium fuel. 254 11 Specifications Engine specifications Charge air cooler (Intercooler) Turbocharged engines employ a turbo-compressor to force air into the engine inlet manifold and a charge air cooler to cool the compressed inlet air. The resulting increase in air flow raises pressure in the intake manifold and increases engine power over that developed by the normally-aspirated engine. The charge air cooler (which resembles a radiator) is located between the turbo-compressor and inlet manifold. Fuel system The engine is equipped with a multiport fuel injection system. 255 11 Specifications Electrical system General information 12-volt system with voltage controlled generator. Single wire system in which the chassis and engine block are used as conductors, grounded on the chassis. Battery