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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.[5][6][7] It shares the same architecture, and mechanical design, and is based on the Buick V6 road car engine.[8] 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[1][2][3][4]
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	12-valve, DOHC, 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)

Applications

Indy Cars

• March 82C
• March 83C
• March 84C
• March 85C
• March 86C
• March 87C
• March 88C
• Lola T89/00[9]
• Lola T90/00[10][11]
• Lola T91/00[12][13]
• Lola T92/00[14]
• Lola T93/00[15][16][17][18]
• Lola T95/00[19][20]

IMSA GTP/Group C sports prototypes

• Alba AR3-001[21][22]
• March 85G
• March 86G
• Alba AR8-001[23]
• Alba AR9-001
• Alba AR20-01

References

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