Sprint Car engine
Reciprocating internal combustion engine
From Wikipedia, the free encyclopedia
Sprint Cars are powered by a naturally-aspirated, methanol-injected overhead valve V-8 engines; with a displacement of 410 cubic inches (6.7L) and capable of engine speeds approaching 9000 rpm.[3] A lower-budget and very popular class of sprint cars uses 360-cubic-inch (5.9L) engines that produce approximately 700 horsepower (520 kW).[4][5][6][7]
Displacement360–410 cu in (5.9–6.7 L)
ValvetrainTwo-valves per cylinder to four-valves per cylinder
Compression ratio13:1–17:1[1]
| Sprint Car motor | |
|---|---|
| Layout | |
| Configuration | 90° pushrod V-8 |
| Displacement | 360–410 cu in (5.9–6.7 L) |
| Valvetrain | Two-valves per cylinder to four-valves per cylinder |
| Compression ratio | 13:1–17:1[1] |
| Combustion | |
| Supercharger | None, naturally-aspirated |
| Fuel system | Fuel injection |
| Fuel type | Methanol |
| Oil system | Dry sump |
| Output | |
| Power output | 700–900 hp (522–671 kW) |
| Torque output | 600–700 lb⋅ft (813–949 N⋅m) |
| Dimensions | |
| Dry weight | approx. 455 lb (206 kg)[2] |
