Pontiac Trophy 4 engine
The Pontiac Trophy 4 engine (also called the Indianapolis 4, or Indy 4) is a 194.5 cu in (3.2 L) inline four-cylinder engine produced by the Pontiac Motor Division of General Motors for model years 1961 through 1963. Created from one bank of Pontiac's powerful 389 cu in (6.4 L) Trophy V8, its only application was in the first generation Pontiac Tempest. It was dubbed by Pontiac the Trophy 4, playing off the racing success that had earned the 389 V8 engine the nickname Trophy V-8 after just two years of competition.
| Pontiac Trophy 4 engine | |
|---|---|
1962 Pontiac Tempest LeMans | |
| Overview | |
| Manufacturer | Pontiac Division of General Motors |
| Also called | Indianapolis 4 Indy 4 |
| Production | 1961-63 |
| Layout | |
| Configuration | Naturally aspirated inline four |
| Displacement | 194.5 cu in (3.2 L) |
| Cylinder bore | 4+1⁄16 in (103.2 mm) |
| Piston stroke | 3+3⁄4 in (95.3 mm) |
| Valvetrain | OHV 2 valves per cyl. |
| Combustion | |
| Fuel system | Single or 4-barrel carburetor |
| Fuel type | Gasoline |
| Cooling system | Water-cooled |
| Output | |
| Power output | 110–166 hp (82–124 kW) |
| Torque output | 190–215 lb⋅ft (258–292 N⋅m) |
| Dimensions | |
| Dry weight | 470 lb (210 kg) |
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