 |
Engine | Straight 4 | Straight 4 | Straight 4 | Straight 4 | | |
 |
Valve train | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | | |
 |
Valves | 4 valves per cylinder
16 total valves | 4 valves per cylinder
16 total valves | 4 valves per cylinder
16 total valves | 4 valves per cylinder
16 total valves | | |
 |
Displacement | 122 cu in | 122 cu in | 122 cu in | 122 cu in | | |
 |
Bore x Stroke | 3 in x 3 in
1 ratio | 3 in x 4 in
0.93 ratio | 3 in x 3 in
1 ratio | 3 in x 3 in
1 ratio | | |
 |
Compression ratio | 10.50:1 | 8.00:1 | 10.50:1 | 9.00:1 | | |
 |
Maximum power | 152 hp @ 6000 rpm | 190 hp @ 6000 rpm | 152 hp @ 6000 rpm | 204 hp @ 5600 rpm | | |
 |
Maximum torque | 144 ft.lb @ 4800 rpm | 219 ft.lb @ 2500 rpm | 144 ft.lb @ 4800 rpm | 207 ft.lb @ 2400 rpm | | |
 |
Maximum RPM | | 7000 | | | | |
 |
Fuel | Petrol | Petrol | Petrol | Petrol | | |
 |
Catalytic converter | yes | yes | no | yes | no | |
 |
Main bearings | | 5 | | | | |
 |
Construction | | Cast iron block &
Alloy head | | | | |
 |
Coolant | Water | Water | Water | Water | | |
 |
Intercooler | | yes | | | | |
 |
Sump | | Wet sumped | | | | |