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Technical Details

Engine
Type:                             132C3.301
Number of cylinders:    
4
Bore and Stroke:          
84 x 90
Displacement:              
1995 cc
Compression ratio:       
8.1 to 1
Horsepower:                
102 hp at
                                           5500 rpm

Torque:                       
110 ft lbs at
                                           3000 rpm

Overhead valves. Twin overhead camshafts driven by a toothed timing belt with tensioner.

Valve Timing
intake opens (B.T.D.C)   :      5
intake closes (A.B.D.C)  :      53

Exhaust opens (B.B.D.C):     53
Exhaust closes (A.T.D.C):     5

Valve clearance, engine cold
intake:                                 0.45mm
exhaust:                              0.50mm

Fuel System

Electronically controlled fuel injection with engine and exhaust sensors supplying information to the electronic control unit to optimize the fuel/air mixture in all engine operating conditions.


Four injectors, one per cylinder and a cold start valve, all supplied at constant fuel pressure.

Fuel flow controlled by variation in opening time of injectors.

An air flow sensor to measure flow variation

Air cleaner with paper cartridge installed before air flow sensor

Lubrication System

Forced circulation by gear pump.
Pressure limiter valve on delivery circuit. Normal lubrication pressure at rated engine rpm and oil temperature 3.5 to 5 kg/cm
2

Full-flow cartridge oil filter.

Allowed oil use: 1 liter in 1000 to 1200 km.

Cooling System

Radiator and translucent expansion tank.
Water circulated by centrifugal pump.

Thermostat with controlled by-pass on cylinder head water outlet duct

Four-blade fan driven by electric motor controlled by thermostatic switch on radiator: cut in temperature about 90 degrees Centigrade

Getting to know your Fiat 124 sport spider Technical Details
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