Vortec 5.3L V8 (LM7) Engine Specs

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Vortec 5.3L V8 (LM7) Engine Overview

Move to others bigger engine capacities from vortec engines family named with Vortec 5.3L V8 (LM7) Engine. This engine is the 3rd generation of Vortec engines family. For the 5.3L class actually consist of 4 engine codes (LM7/L59/LM4/L33). This Vortec 5.3L V8 (LM7) Engine announced in 1999 and can be considered the garden variety version of 3rd generation Vortec engines. This Vortec 5.3L V8 (LM7) Engine has cast iron (LM7, L59) at the engine block material and aluminum material on cylinder head. Different of this Vortec 5.3L V8 (LM7) Engine with L33 engine code not only on the engine block material. This engine is support more vehicles than the previous engine code (L33). On this engine we also can find cast iron with undercut and rolled fillets for Crankshaft and steel on the Camshaft material. This engine is built at Romulus, Michigan, St. Catharines, Ontario and Silao, Mexico.

Vortec 5.3L V8 (LM7) Engine Specs

Are the specification of this Vortec 5.3L V8 (LM7) Engine same with L33 engine code? Here they are the this Vortec 5.3L V8 (LM7) Engine specs for detail.

Specs Item Specs
Engine Type Vortec 5.3L V8
Engine Code LM7
Engine Electronic integrated into the dual microprocessor PCM
Displacement 5,328cc (325 ci)
Transmission Type 4 and 6 speed automatic
Compression Ratio 9.5:1
Bore and Stroke (in.) 3.8 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) 295 hp ( 220kw ) @ 5200 rpm
Torque (lb. ft. @ rpm) 335 lb-ft ( 454Nm ) @ 4000 rpm
Intake Manifold  Material composite
Exhaust manifold Material high silicon molybdenum

cast nodular iron

Engine block material cast iron (LM7, L59)
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 5.3L V8 (LM7) Engine Applications

As mentioned above that this Vortec 5.3L V8 (LM7) is has more use by vehicles compared with the L33 engines model, here they are Vortec 5.3L V8 (LM7) Engine Applications

  • 2002–2005 Cadillac Escalade 2WD
  • 2002–2006 Chevrolet Avalanche
  • 2003–2007 Chevrolet Express/GMC Savana
  • 1999–2007 Chevrolet Silverado 1500
  • 1999–2007 GMC Sierra 1500
  • 2000–2006 Chevrolet Suburban/GMC Yukon XL
  • 2000–2006 Chevrolet Tahoe/GMC Yukon

Vortec 5.3L V8 (LM7) Enginewww.allenginelist.com

2 Thoughts on “Vortec 5.3L V8 (LM7) Engine Specs

  1. Tommy L Reed on May 27, 2013 at 10:21 pm said:

    what year and model 5.3L has the front sump oilpan

  2. Pingback: 355 h.p for my 2002 5.3??? - Diesel Place : Chevrolet and GMC Diesel Truck Forums

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