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Home >> Alfa Romeo >> 1972 >> Spider _NA_ >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Spica Fuel Injection >> Operation >> Injection Pump

Injection Pump

The pump has four variable displacement plungers which are controlled by the control unit through a rack. Plungers are actuated by connecting rods driven by a crankshaft which revolves at one half of engine speed.