Buick Indy V6 engine
The Buick Indy V6 engine is a powerful turbocharged, 3.0–3.4 L (180–210 cu in), V-6, Indy car racing internal combustion engine, designed and produced by Buick for use in the C.A.R.T. PPG Indy Car World Series, and later the IRL IndyCar Series; between 1982 and 1997. It shares the same architecture, and mechanical design, and is based on the Buick V6 road car engine. A slightly destroked 3.0-liter V6 engine was also used in the March 85G and March 86G IMSA GTP sports prototypes.
| Buick Indy V-6 | |
|---|---|
| Overview | |
| Manufacturer | Buick |
| Production | 1982–1997 |
| Layout | |
| Configuration | 90° V-6 |
| Displacement | 3.0–3.42 L (183–209 cu in) |
| Cylinder bore | 4 in (100 mm) |
| Piston stroke | 2.75–3.625 in (70–92 mm) |
| Valvetrain | OHV, two-valves per cylinder |
| Compression ratio | 9.5:1 |
| Combustion | |
| Turbocharger | Garrett |
| Fuel system | Mechanical multi-point fuel injection |
| Fuel type | Gasoline/Methanol |
| Oil system | Dry sump |
| Output | |
| Power output | 800–900 hp (597–671 kW) |
| Torque output | 550 lb⋅ft (746 N⋅m) |
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