GM Vortec Atlas Engines Specifications and Code List

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GM Vortec Atlas Engines Specs

GM Vortec Atlas Engines Overview

GM Vortec Atlas Engine is part of GM Vortec Engine Families, as we are know that Vortec is a technology that develop by General motor trucks for their engine production. The Vortec technology is a spinning, often turbulent, flow of fluid. Any spiral motion with closed streamlines is vortex flow. This vortex technology is used to create better air / fuel mix inside the combustion chamber., at the modern implementation the vortec also named with approximately displacement in cubic centimeters. Now this GM Vortec Engine is used on a wide range of different engine and now GM motors company use this Vortec Engine for all of their vehicles product.While for GM Atlas Engine is a modern inline piston engines that produce by General Motor for their trucks product. The first implementation of this GM Vortec Atlas Engines is used for their new Oldsmobile Bravada and also used in Chevrolet TrailBlazer and Colorado and their GMC twins.GM Vortec Atlas Engines is consists of 3 types with 5 engine code (Regular Production Option). They are:

GM Vortec

Atlas Engine Code

GM Vortec

Atlas Engine Name

Engine Type
LK5 2800 I4
LLV 2900 I4
L52 3500 I5
LLR 3700 I5
LL8 4200 I6

 

GM Vortec Atlas Engines Specs

At this opportunity we will detailed discuss first about LK 5 GM Vortec Atlas Engines Specs. The straight-4 LK5 engine is sold as the Vortec 2800 in GM trucks the LK5 has dual overhead cams Here they are detailed LK5 GM Vortec Atlas Engine Specs

 

LK5 GM Vortec Atlas Engines Specs

 

Specs Item Specs
Engine Type GM Vortec Atlas Engines I4
Engine Code LK5
Cylinder 4 pcs in line
Displacement 2.8 L (171 cu in)
Transmission Type Standard 5-speed manual

Optional 4 – speed auto

Bore and Stroke (in.) 3.7 in x 4.0 in
Valve configuration 2 valve each cylinder
Champ type DOHC with variable valve timing
Fuel Economy 18 MPG city, 25 MPG highway, 21 MPG combined and 399 mi. range
Fuel System Multi Point Fuel Injection
Recommended Fuel Unleaded Fuel
Maximum engine speed 6300 rpm
Horsepower(SAE net@rpm) 175 hp (131 kW) at 5600 rpm
Torque (lb. ft. @ rpm) 185 lb·ft (251 N·m) at 2800 rpm
Manifold  Material Composite
Exhaust manifold Cast nodular iron
Engine block material Cast aluminum
Cylinder head material Cast aluminum

 

LK5 GM Vortec Atlas Engines Applications

This LK5 GM Vortec Atlas Engines is use for

  • 2004–2006 Chevrolet Colorado
  • 2004–2006 GMC Canyon
  • 2006 Isuzu i-Series

GM Vortec Atlas Engines Specs

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