Chevrolet 2300 engine
The 2300 is a 2.3 L; 139.6 cu in (2,287 cc) inline-four engine produced by the Chevrolet division of General Motors for the 1971 to 1977 model years of the Chevrolet Vega and Chevrolet Monza. It featured a die-cast aluminum alloy cylinder block. The high-tech block features an alloy with 17 percent silicon. During the machining process, the cylinders were etched leaving the pure silicon particles exposed providing the piston wear surface, eliminating the need for iron cylinder liners. The block has cast iron main caps and a cast iron crankshaft. The engine's cylinder head is cast iron for lower cost, structural integrity and longer camshaft bearing life. The valvetrain features a direct-acting single overhead camshaft design. The engine block and cylinder heads were cast at Massena Castings Plant in Massena, New York.
| 2300 engine | |
|---|---|
Chevrolet Vega 2,300 cc (140 cu in) 1bbl. L4 | |
| Overview | |
| Manufacturer | Chevrolet |
| Also called | Dura-Built 140 |
| Production | 1971-1977 |
| Layout | |
| Configuration | Naturally aspirated Straight-4 |
| 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 |