 |
Engine | Straight 5 | Straight 4 | Straight 3 | |
 |
Valve train | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | |
 |
Valves | 4 valves per cylinder
20 total valves | 4 valves per cylinder
16 total valves | 4 valves per cylinder
12 total valves | |
 |
Displacement | 149 cu in | 122 cu in | 50 cu in | |
 |
Bore x Stroke | 3 in x 4 in
0.92 ratio | 3 in x 4 in
0.93 ratio | 3 in x 3 in
1.08 ratio | |
 |
Compression ratio | 10.50:1 | 8.00:1 | 9.50:1 | |
 |
Maximum power | 172 hp @ 6000 rpm | 190 hp @ 6000 rpm | 52 hp @ 6000 rpm | |
 |
Maximum torque | 162 ft.lb @ 3300 rpm | 219 ft.lb @ 2500 rpm | 52 ft.lb @ 3500 rpm | |
 |
Maximum RPM | | 7000 | | |
 |
Fuel | Petrol | Petrol | Petrol | |
 |
Catalytic converter | yes | yes | yes | |
 |
Main bearings | 6 | 5 | | |
 |
Construction | | Cast iron block &
Alloy head | | |
 |
Coolant | Water | Water | Water | |
 |
Intercooler | | yes | | |
 |
Sump | | Wet sumped | Wet sumped | |