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| Chevrolet 2300 engine | |
|---|---|
 | |
| Overview | |
| Manufacturer | Chevrolet division of GM |
| Also called | Dura-Built 140 |
| Production | 1971–1977 |
| Layout | |
| Configuration | Naturally aspirated I4 |
| Displacement | 2.3 L; 139.6 cu in (2,287 cc) |
| Cylinder bore | 3.501 in (88.9 mm) |
| Piston stroke | 3.625 in (92.1 mm) |
| Cylinder block material | Aluminum |
| Cylinder head material | Cast iron |
| Valvetrain | SOHC 2 valves x cyl. |
| Compression ratio | 8.0:1 |
| Combustion | |
| Fuel system | Single or double barrel carburetor |
| Fuel type | Gasoline |
| Oil system | Wet sump |
| Cooling system | Water-cooled |
| Output | |
| Power output | 70–110 hp (52–82 kW) |
| Torque output | 107–138 lb⋅ft (145–187 N⋅m) |
| Chronology | |
| Successor | GM Iron Duke engine |
The Chevrolet 2300 is a 2.3-liter straight-four engine produced by the Chevrolet division of General Motors for the 1971 to 1977 model years of the Chevrolet Vega and Chevrolet Monza. This engine was also offered in the 1973–74 Pontiac Astre (Canada only), the 1975–77 Pontiac Astre (United States and Canada), the Pontiac Sunbird for 1976 only, and the Oldsmobile Starfire for 1976–77.