The 3.0-liter 24-valve Honda C30A engine was produced in Japan from 1990 to 2005 and was only installed in the sporty Honda NSX model, including under the Acura brand. There were two versions of this engine: 274 horsepower for the manual version and 256 horsepower for the automatic version. The C series also includes the following engines: C27A, C32A, C32B, and C35A.
| Exact capacity | 2977 cm³ |
| Power system | distributed injection |
| Engine power | 256 - 274 HP |
| Torque | 284 nm |
| Engine block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder diameter | 90 mm |
| Piston stroke. | 78 mm |
| Compression ratio | 10.2 |
| Engine features | VVIS |
| Hydraulic compensator. | there is no |
| Timing drive | belt |
| Timing phase adjuster | VTEC |
| Turbocharging | there is no |
| What oils to use | 5.0 liters 5W-30 |
| Fuel type | 95 |
| Environmental class | EURO 2/3 |
| Approximate life expectancy | 250 000 HP |
| City | 17.9 litry |
| Route | 9.1 litry |
| Mixed | 12.4 litry |
The weight of the C30A engine assembly is 195 kg. The engine number C30A is located at the junction of the block and the gearbox. The main issue with the engine is oil consumption, which can occur up to 100,000 km. It is very important to monitor the lubrication level, even a slight decrease can be dangerous. Sometimes it is possible to get away with just replacing the lifters, but often the camshafts are also replaced. The timing belt is renewed every 90,000 miles, and if it breaks, it always bends the valves. The weak points of the engine include the short-lived catalytic converter and ignition coils.
| NSX 1 (NA) | 1990 - 2005 |
| NSX 1 (NA) | 1990 - 2005 |
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