8-VALVE 1.4
ENGINE
FIAT PUNTO TRAINING OUTLINE
Fiat Auto S.p.A.
After Sales Training
aluminium alloy head;
valve control by means of a camshaft and mechanic tappets of the bucket-and-adjust type;
electronically-controlled, hydraulic continuous phase variator;
cast iron engine block;
variable-turbulence combustion chamber;
fluid cooling with forced circulation by means of a centrifugal pump secured to the engine base
and sealed circuit;
radiator and auxiliary expansion tank;
engine timing by means of a timing belt;
flexible flywheel, with resulting reduction of the power unit vibrations transmitted inside the
passenger compartment;
power-driven, drive-by-wire throttled body and PCB control unit fitted onto the engine;
gear pump for forced lubrication;
optimized rod-piston crank mechanism for reduction of the alternate mass, which is the main
cause of engine vibration excitation;
single-block coils with ignition (elimination of lost sparks) and knock control on a cylinder-by-
cylinder basis;
Magneti Marelli engine control unit of the “torque-based” type (resistant to the engine’s
mechanic and thermal stress);
very low consumption and exhaust gas levels;
diagnosis through EOBD connector;
2 heated oxygen sensors and trivalent catalytic converter;
compliance with the Euro 4 standard.
The optimization of the valve gear timing and the introduction of such items as:
electronically-controlled, hydraulic continuous phase variator;
variable-turbulence combustion chamber;
special intake and exhaust ducts;
special inlet manifold;
gb Fiat Grande Punto OK
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