Vortec 6.0L V8 (LQ4) Engine Specs

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Vortec 6.0L V8 (LQ4) Engine Overview

Getting increase the engine capacities review, now we are climb to 6.0L engine capacities that available at 3rd generation of Vortec engines family.  Named with Vortec 6.0L V8 (LQ4) Engine, this engine that has 5967cc (364 ci) of displacement specs. The Vortec 6.0L V8 (LQ4) Engine is completed with extended life spark plugs, extended life coolant, oil level sensor, CNG option for SilveradoHD and SierraHD, floating pin pistons, GF4 oil rate based diagnostics as the default features offered. The material base that use to build this engine is came from various type, the material such as: forged powder metal for connection rods, cast iron with undercut and rolled fillets for Crankshaft and for main bearing caps was made from powder metal.

Vortec 6.0L V8 (LQ4) Engine Overview

Here they are the detailed specification of Vortec 6.0L V8 (LQ4) Engine

Specs Item Specs
Engine Type Vortec 6.0L V8
Engine Code LQ4
Engine Electronic integrated into the dual microprocessor PCM
Displacement 5967cc (364 ci)
Transmission Type 4 and 6 speed automatic
Compression Ratio 9.4:1
Bore and Stroke (in.) 4.0 x 3.6
Valve configuration (pcs) overhead valves (2 valves per cylinder)
Valve Lifters hydraulic roller
Champ type Double overhead Champ
Fuel System sequential fuel injection
Recommended Fuel regular unleaded
Emissions controls evaporative system

catalytic converter

positive crankcase ventilation

return less fuel system

Maximum engine speed 6000 rpm
Horsepower(SAE net@rpm) Max at 325 hp ( 242 kw ) @ 5200 rpm
Torque (lb. ft. @ rpm) Max at 365 lb-ft ( 495 Nm ) @ 4000 rpm
Intake Manifold  Material Composite
Exhaust manifold Material high silicon molybdenum, cast nodular iron
Engine block material cast iron
Cylinder head material cast aluminum
Features extended life spark plugs

extended life coolant

oil level sensor

Oil Life System

electronic throttle control

floating pin pistons

GF4 oil

rate based diagnostics

Vortec 6.0L V8 (LQ4) Engine Applications

The Vortec 6.0L V8 (LQ4) Engine was using for:

  • Chevrolet Express
  • GMC Savana
  • Chevrolet Silverado HD ( Classic )
  • GMC Sierra HD ( Classic )
  • W-Series Medium Duty
  • Hummer H2, H2 SUT

Vortec 6.0L V8 (LQ4) Engine www.allenginelist.com

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