Ford Indy V8 engine
The Ford Indy V8 engine is a naturally-aspirated, pushrod Indy car racing V-8 engine, specially designed by Ford for Team Lotus, to compete in the Indianapolis 500; from 1963 to 1967.[3][4][5]
| Ford Indy V-8 | |
|---|---|
| Overview | |
| Manufacturer | Ford |
| Production | 1963–1968 |
| Layout | |
| Configuration | 90° V-8 |
| Displacement | 168–292 cu in (2.75–4.79 L) |
| Cylinder bore | 3.76–3.80 in (96–97 mm) |
| Piston stroke | 2.87 in (73 mm) |
| Valvetrain | 32-valve, DOHC, four-valves per cylinder |
| Compression ratio | 12.0:1-12.5:1[1] |
| Combustion | |
| Fuel system | Mechanical fuel injection |
| Fuel type | Gasoline |
| Oil system | Dry sump |
| Output | |
| Power output | 375–750 hp (280–559 kW) |
| Torque output | 269–525 lb⋅ft (365–712 N⋅m)[2] |
| Dimensions | |
| Dry weight | 350–406 lb (159–184 kg) |
| Chronology | |
| Successor | Ford-Cosworth Indy V8 engine |
A more powerful turbocharged version of the engine was used by Offenhauser in 1968, and gave Bobby Unser the win that year. The engine made 750 hp (560 kW) @ 9,500 rpm, from a displacement of only 168 cu in (2,750 cc).[6]
References
- "1965 Lotus 38 Ford Specifications".
- "Lotus 38: The Special Relationship | Colin Chapman Archive and Resource".
- "Indy Engines -- the Ford V-8 Engine Workshop".
- "Horsepower! - Ford Indy V8 - Car Craft Magazine". 2 April 2013.
- "Technically Interesting: Ford Indy DOHC V8". 26 April 2018.
- "The Immortal Offenhauser Racing Engine". 16 March 2017.
- "Lotus Type 38 - Lotus Cars Media Site".
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