The Ecotec 2.2L I-4 engine used in drag racing versions of the Cavalier and Sunfire can generate up to 1,000 horsepower while using mostly production-based components. These front-wheel drive race cars showcase the potential of the Ecotec engine. The production version of the Ecotec puts out 144 horsepower and 155 pound-feet of torque using lightweight aluminum construction and dual overhead camshafts with 4 valves per cylinder. The modular design of the Ecotec makes it suitable for a variety of applications.
2. Global Perspective, Key Features Additional Features
Modular Design
Twin Balance Shafts ¶Structural oil pan provides rigidity to the
A fuel-efficient, environmentally Twin balance shafts, bottom of the engine for noise and vibration
housed in the cylinder suppression
friendly engine in a quiet, block, provide smooth
¶Cast-iron cylinder liners enhance durability
durable package and quiet engine
operation by offsetting ¶Accessories, such as the alternator and air
the vibrations inherent in
an inline 4-cylinder conditioner, are directly mounted to the
The lightweight-aluminum, four-valve overhead- engine for less noise and vibration
engine.
cam Ecotec 2.2L engine features a modular
¶Long-life coolant greatly decreases frequency
design, providing flexibility for a number of
of coolant changes and is designed to last up
future technologies, such as turbocharging,
to five years or 150,000 miles (whichever
variable valve timing and direct injection-
Coil-on-Plug comes first)*
gasoline. Low maintenance is another key Ignition System
hallmark of this engine: oil and filter replace- The coil-on-plug ignition
* Maintenance needs vary with different use and driving conditions. See Owner’s
Manual for more information.
ment is the only routine service required. cassette produces a
One of the newest of the Ecotec 2.2L’s many strong, efficient spark
applications is the Chevrolet Malibu, with and eliminates spark
plug wires. Applications
144 horsepower and 155 lb-ft of torque.
Roller Finger
Saturn L-series Chevrolet Malibu
Followers
The roller finger
follower, with hydraulic
lash adjuster, is self-
adjusting, reduces wear
and improves fuel Saturn ION Chevrolet Cavalier
efficiency.
Application
Tuned Intake Manifold Saturn VUE Pontiac Grand Am
The scroll design of the
intake manifold offers
tuned intake passages for
good power and torque in
a compact design.
Opel/Vauxhall Vectra Pontiac Sunfire
The versatile design of the Ecotec gives GM the flexibility
to meet the needs of drivers around the globe, meaning the
Ecotec could become one of the highest-volume engines in
the world. Opel/Vauxhall Zafira Opel/Vauxhall Speedster