GM Vortec engine
Vortec is General Motors trademarked name for a line of piston engines for trucks. The name first appeared in 1986 on a 4.6 liter V6 but now adorns a wide range of different engines. Modern Vortec engines are named for their displacement
There are a number of Vortec engines in various families:
2200
The Vortec 2200, or LN2, is a straight-4 truck engine. It is entirely different from the Ecotec 2.2 car engine, and is designed for longitudinal mounting.
- Block: Cast Iron
- Cylinder Head: Cast Aluminum
- Power: 120 hp (89 kW) @ 5000 rpm
- Torque: 140 ft.lbf (190 Nm) @ 3600 rpm
- Displacement: 2.2 L (2189 cm³), 89.00 X 88.00 mm
- Valvetrain: Overhead Valves (2 Valves per cylinder)
- Compression: 9.0:1
- Factory: Tonawanda, New York
LN2 applications:
2800
The Vortec 2800, or LK5, is a larger-displacement 2.8 L straight-4.
It is used in the following vehicles:
3500
The Vortec 3500, or L52, is a straight-5 truck engine. It displaces 3.5 L.
It is used in the following vehicles:
4200
The Vortec 4200, or LL8, is a straight-6 truck engine.
- Block: Lost Foam Cast Aluminum
- Cylinder Head: Lost Foam Cast Aluminum
- Power: 275 hp (205 kW) @ 6000 rpm
- Torque: 275 ft.lbf (373 Nm) @ 3600 rpm
- Displacement: 4.2 L (4160 cm³), 93.00 X 102.00 mm
- Valvetrain: Dual Overhead Cam (4 Valves per cylinder)
- Compression: 10.0:1
- Factory: Flint, Michigan
LL8 Applications:
4300
The Vortec 4300, or LU3/LG3, is a V6 truck engine.
- Block: Cast Iron
- Cylinder Head: Cast Iron
- Power: 180, 190, or 200 hp (134, 142, or 150 kW)
- Torque: 245, 250, or 260 ft.lbf (332, 339, or 353 Nm)
- Displacement: 4.3 L (4300 cm³), 101.60 X 88.39 mm
- Valvetrain: Overhead Valves (2 Valves per cylinder)
- Compression: 9.2:1
- Factory: Tonawanda, New York and Romulus, Michigan
LU3 applications:
4800
The Vortec 4800, or LR4, is a V8 truck engine. It is a de-bored and de-stroked cast iron version of the LS1 small-block from the Corvette.
- Block: Cast Iron
- Cylinder Head: Cast Aluminum
- Power: 270 or 275 hp (201 or 205 kW)
- Torque: 285 or 290 ft.lbf (386 or 393 Nm)
- Applications:
- Displacement: 4.8 L (4807 cm³), 96.01 X 83.00 mm
- Valvetrain: Overhead Valves (2 Valves per cylinder)
- Compression: 9.5:1
- Factory: St. Catharines, Ontario and Romulus, Michigan
LR4 applications:
5300
The Vortec 5300, or LM7/LM4/L59, is a V8 truck engine. It is a stroked version of the Vortec 4800. The L33 is made for the pickup trucks. An improved LH6 version with St. Catharines, Ontario, Romulus, Michigan, and Cadillac Escalade
LM4 applications:
L33 applications:
L59 applications:
6000
The Vortec 6000, or LQ4, is a V8 truck engine. It is a bored version of the Vortec 5300.
- Block: Cast Iron
- Cylinder Head: Cast Aluminum
- Applications:
- Power: 300, 315, 320, or 325 hp (224, 235, 239, or 242 kW)
- Torque: 360, 365, or 370 ft.lbf (488, 495, or 502 Nm)
- Displacement: 6.0 L (5967 cm³), 101.60 X 92.00 mm
- Valvetrain: Overhead Valves (2 Valves per cylinder)
- Compression: 9.4:1
- Factory: Romulus, Michigan and Chevrolet Express/GMC Savana
- Chevrolet Silverado 3500 Pickup, Crew Cab, and Chassis Cab/GMC Sierra 2500 HD Pickup and Crew Cab, Denali, and 3500 Pickup and Chassis Cab
- Chevrolet Suburban/GMC Yukon XL Denali
- Hummer H2 SUT
- GMC Yukon Denali
HO 6000
The Vortec HO 6000, or LQ9, is a high-output version of the Vortec 6000 V8 truck engine.
- Block: Cast Iron
- Cylinder Head: Cast Aluminum
- Power: 345 hp (257 kW)
- Torque: 380 ft.lbf (515 Nm)
- Displacement: 6.0 L (5967 cm³), 101.60 X 92.00 mm
- Valvetrain: Overhead Valves (2 Valves per cylinder)
- Compression: 10.0:1
- Factory: Romulus, Michigan
LQ9 Applications:
8100
The Vortec 8100, or L18, is a V8 truck engine.
- Block: Cast Iron
- Cylinder Head: Cast Iron
- Power: 225, 295, 325, or 340 hp (168, 220, 242, or 254 kW)
- Torque: 350, 440, 450, or 455 ft.lbf (475, 597, 610, or 617 Nm)
- Displacement: 8.1 L (8128 cm³), 107.95 X 111.00 mm
- Valvetrain: Overhead Valves (2 Valves per cylinder)
- Compression: 9.1:1
- Factory: Tonawanda, New York
L18 Applications:
