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Engine | Straight 4 | Straight 4 | Straight 4 | Straight 4 | Straight 4 | Straight 4 | |
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Valve train | overhead inlet, side exhaust | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | Single overhead camshaft | |
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Valves | | 2 valves per cylinder
8 total valves | 2 valves per cylinder
8 total valves | 2 valves per cylinder
8 total valves | 2 valves per cylinder
8 total valves | 2 valves per cylinder
8 total valves | |
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Displacement | 230 cu in | 122 cu in | 122 cu in | 122 cu in | 107 cu in | 73 cu in | |
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Bore x Stroke | 4 in x 5 in
0.83 ratio | 3 in x 4 in
0.93 ratio | 3 in x 4 in
0.93 ratio | 3 in x 4 in
0.93 ratio | 3 in x 3 in
1.06 ratio | 3 in x 3 in
1.02 ratio | |
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Compression ratio | 4.2.1 | 8.20:1 | 8.10:1 | 8.00:1 | 9.80:1 | 8.80:1 | |
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Maximum power | 14 hp @ 1200 rpm | 101 hp @ 5500 rpm | 79 hp @ 5000 rpm | 87 hp @ 5100 rpm | 118 hp @ 6000 rpm | 60 hp @ 5600 rpm | |
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Maximum torque | | | | 104 ft.lb @ 3000 rpm | 113 ft.lb @ 4000 rpm | 64 ft.lb @ 3400 rpm | |
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Maximum RPM | | 6000 | 5500 | | 6600 | | |
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Fuel | Petrol | Petrol | Petrol | Petrol | Petrol | Petrol | |
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Catalytic converter | no | yes | yes | no | no | no | |
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Main bearings | | 5 | 5 | 5 | 5 | | |
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Construction | | Cast iron block &
Light alloy head | Cast iron block &
Light alloy head | | Cast iron block &
Light alloy head | | |
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Coolant | Water | Water | Water | Water | Water | Water | |
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Sump | | Wet sumped | Wet sumped | | Wet sumped | | |
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Manufacturer | | | | | FIAT | | |
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Code | | | | | 132AC1.000 | | |