Engines

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Engines

The four-cylinder engine used in the spider and coupé is a double overhead cam, aluminum crossflow head version of the sedan's pushrod unit. It started in 1966 with a capacity of 1438 cc progressively increasing to 1608 cc in 1970 (although this was reduced to 1,592 cc in 1973), 1,756 cc in 1974 and finally 1,995 cc in 1979. The Fiat Twin Cam engine was designed by ex-Ferrari engineer Aurelio Lampredi.[7] Bosch fuel injection replaced the previously used Weber carburetors midway through 1980. In 1981 and 1982, Fiat USA, Inc. partnered with Legend Industries to create approximately 700 turbo models for US markets. There was also a supercharged model called "Volumex" offered toward the end of production, which was sold only in Europe, where it cost 35% more than a regular, fuel-injected Spidereuropa.[a] This family of engines remained in production into the 1990s giving it one of the longest production-runs in automotive history. The double overhead cam (DOHC) version was the first mass manufactured DOHC to utilize reinforced rubber timing belts, an innovation that would come into nearly universal use in the decades after its introduction. Its family powered race cars such as the FIAT 131 Mirafiori, 124 Special T, Lancia Beta Montecarlo, Delta Integrale and many others.

Years

Model

Engine

Capacity

Bore x stroke
mm

Compr.
ratio

Power at engine speed

1967–73

124 AC 040

1,438 cc

80 x 71.5 mm

8.9:1

90 PS (66 kW; 89 hp) at 6,000 rpm

1973–77

132 AC 000

1,592 cc

80 x 79.2 mm

9.8:1

108 PS (79 kW; 107 hp) at 6,000 rpm

1973–75

Abarth Rally

132 AC 4.000

1,756 cc

84 x 79.2 mm

9.8:1

128 PS (94 kW; 126 hp) at 6,200 rpm

1970–73

125 BC 000

1,608 cc

80 x 80 mm

9.8:1

110 PS (81 kW; 108 hp) at 6,400 rpm

1973–77

132 AC1 000

1,756 cc

84 x 79.2 mm

9.8:1

118 PS (87 kW; 116 hp) at 6,000 rpm

1974–78

132 A1 040

1,756 cc

84 x 79.2 mm

8.9:1

118 PS (87 kW; 116 hp) at 5,800 rpm

1974–78

131 A1 040

1,756 cc

84 x 79.2 mm

8.1:1

87 PS (64 kW; 86 hp) at 6,200 rpm

1979–81

132 C2 040

1,995 cc

84 x 90 mm

8.1:1

83 PS (61 kW; 82 hp) at 5,800 rpm

1979–85

132 C3 031

1,995 cc

84 x 90 mm

8.2:1

102 PS (75 kW; 101 hp) at 5,500 rpm

1979–85

Spidereuropa

132 C3 031

1,995 cc

84 x 90 mm

8.2:1

105 PS (77 kW; 104 hp) at 5,500 rpm

1984–85

Volumex

132 V3 031

1,995 cc

84 x 90 mm

7.5:1

135 PS (99 kW; 133 hp) at 6,000 rpm