Viper engine

Viper engine
Viper engine
	The Viper engine on the ZB I version of the Viper.
Overview
Manufacturer	Chrysler
Production	1992–2010; 2012–2017
Layout
Configuration	Naturally-aspirated; 90° V10
Displacement	488 cu in (7,990 cc); 506 cu in (8,285 cc); 512 cu in (8,382 cc);
Cylinder bore	4.00 in (101.6 mm); 4.03 in (102.4 mm); 4.055 in (103.0 mm);
Piston stroke	3.88 in (98.6 mm); 3.96 in (100.6 mm);
Cylinder block material	Aluminum
Cylinder head material	Aluminium
Valvetrain	OHV 2 valves per cylinder with VVT (2008+ models)
Compression ratio	9.6:1, 10.2:1
Combustion
Fuel system	Multi-port fuel injection
Fuel type	Gasoline
Oil system	Wet sump
Cooling system	Water cooled
Output
Power output	400 hp (406 PS; 298 kW); 415 hp (421 PS; 309 kW); 450 hp (456 PS; 336 kW); 460 hp (466 PS; 343 kW); 500 hp (507 PS; 373 kW); 510 hp (517 PS; 380 kW); 600 hp (608 PS; 447 kW); 640 hp (649 PS; 477 kW); 645 hp (654 PS; 481 kW);
Torque output	465 lb⋅ft (630 N⋅m); 490 lb⋅ft (664 N⋅m); 500 lb⋅ft (678 N⋅m); 525 lb⋅ft (712 N⋅m); 535 lb⋅ft (725 N⋅m); 560 lb⋅ft (759 N⋅m); 600 lb⋅ft (813 N⋅m);
Dimensions
Dry weight	625 lb (283 kg); 650 lb (290 kg);

The Viper engine is a high-performance naturally-aspirated pushrod 2 valve-per-cylinder 90° V10 engine designed by Chrysler but with aluminum block castings designed by Lamborghini for use in the Dodge Viper. Despite its large displacement, it is based on the Chrysler LA V8.^[1]

^ Scherr, Elana (2014-06-26). "How The Viper Engine Got Its Horsepower". MotorTrend. Archived from the original on 2022-04-07. Retrieved 2023-05-12.