The GPV8 is a 3.5-litre and 3.8-litre, naturally-aspirated V8 engine, originally designed, developed and produced by Cosworth, for the Lotus T125 open-wheel sports car. The initial 3.5-litre V8 produced 640 hp (477 kW; 649 PS) at 9800 rpm, and 332 lb⋅ft (450 N⋅m) at 7600 rpm. The rev limit of the engine is 10,300 rpm; and can be temporarily raised to 10,800 rpm with a push-to-pass button feature.[5][6] The enlarged 3.8-litre V8 is more powerful, producing 675 hp (503 kW; 684 PS) at 9600 rpm, and 361 lb⋅ft (489 N⋅m) at 7600 rpm, with a redline of 10,000 rpm.[7][8][9] The engine's power density is between 136.3 kW (185.3 PS; 182.8 hp) and 132.4 kW (180.0 PS; 177.6 hp) per litre.
| Cosworth GPV8[1] | |
|---|---|
| Overview | |
| Manufacturer |  Cosworth |
| Production | 2010–present |
| Layout | |
| Configuration | V8, naturally-aspirated, 90° cylinder angle |
| Displacement | 3.5–3.8 L (214–232 cu in) |
| Cylinder bore | Undisclosed |
| Cylinder block material | Aluminum alloy |
| Cylinder head material | Aluminum alloy |
| Valvetrain | 32-valve, DOHC, four-valves per cylinder |
| Combustion | |
| Turbocharger | No |
| Fuel system | Direct fuel injection |
| Management | Pectel SQ6 ECU[2][3][4] |
| Fuel type | 98-octane unleaded Gasoline |
| Oil system | Dry sump |
| Output | |
| Power output | 640–675 hp (477–503 kW) |
| Torque output | 332–361 lb⋅ft (450–489 N⋅m) |
| Dimensions | |
| Dry weight | 297 lb (135 kg) |
Unlike formula cars, the engine has been manufactured for durability, longevity, and reliability, with the engine able to withstand more than 5,000 km (3,107 mi) on premium 98-octane pump gas.[8]
Applications edit
References edit
- ^ "Formula 1 & Indy Car Conversions". Indy Competition Services.
- ^ "Pectel SQ6 ECU" (PDF). Cosworth.com. Retrieved 10 November 2021.
- ^ "Cosworth Pectel SQ6 ECU | Dynamic Racing Solutions, LLC by Pectel". Drspower.com. Archived from the original on 2021-10-07. Retrieved 2021-10-07.
- ^ "Pectel SQ6 ECU". Kmsracingengines.com.
- ^ Holmes, Jake (August 10, 2010). "Lotus Unveils F1-Inspired T125 Track Car". Car and Driver.
- ^ "The Lotus Type 125 is Not Your Typical Sports-Racer". MotorTrend. May 27, 2015.
- ^ McDonald, Alison (29 October 2019). "Rodin Cars Reveals FZED Single-Seater". Theshopmag.com.
- ^ a b "FZED". rodin-cars.com.
- ^ "The Lotus T125 track car has returned as the Rodin FZED". Top Gear. August 2, 2019.