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2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque
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Old 04-16-2004, 11:16 AM   #1
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2.2L EcoTec Specs

Click the image to open in full size.

Specs:
Type: 2.2L L4
Displacement: 2189cc
Compression Ratio: 10.0:1
Valve Configuration: Dual overhead cams
Assembly Line: Tonawanda, NY
Valve Lifters: Hydraulic roller finger followers
Bore x Stroke: 86 x 94.6 mm
Firing Order: 1-3-4-2
Fuel System: Sequential fuel system
Fuel Shutoff: 6500 rpm
Horsepower: 135 hp @ 5200 rpm
Torque: 142 lb-ft @ 4400 rpm

Cylinder Block: Lost-foam cast aluminum
Cylinder Head: Lost-foam cast aluminum
Intake Manifold: Composite
Exhaust Manifold: High-silicon molybdenum cast nodular iron
Lower Crankcase: Cast aluminum
Camshaft: Cast iron
Connecting Rods: Forged powder metal
Crankshaft: Cast nodular iron

Coil-On-Plug Ignition
Efficient spark - New ignition cassette eliminates spark plug wires, which reduces maintenance and increases spark efficiency.

Cast Iron Cylinder Liners
Cast iron cylinder liners enhance durability.

Piston
Reduced piston top ring band (only 3 mm) significantly decreases emissions.

Structural Oil Pan
The structural oil pan provides rigidity to the bottom of the engine for noise and vibration suppression.

Oil Life Monitoring and Long-Life Coolant
The oil life monitoring system and long-life coolant both greatly decrease frequency of fluid disposal. The oil life monitoring system helps extend oil change intervals, while coolant lasts 100,000 miles between changes.

Camshafts
The two overhead camshafts, which actuate the intake and exhaust valves via roller cam followers mounted on needle bearings, are driven by a space-saving, durable 8-mm wide simplex roller chain instead of a relatively wide, toothed belt. This assembly is designed to be maintenance free.

Crankshaft
The Ecotec features a cast nodular iron crankshaft with eight balance weights. The number five counterweight also serves as the reluctor wheel for the ignition sensor, ensuring accurate ignition timing for the life of the engine.

Intake Manifold
The intake manifold is a scroll design with tuned intake passages for good power and torque in a compact design.

Connecting Rods
Durable, accurately forged powder metal connecting rods for all pistons reduce machining waste and help optimize engine smoothness.

Twin Balance Shafts
Twin balance shafts provide quiet engine operation and smoother performance. These shafts, located in the cylinder block, cancel out the shaking forces inherent in an inline 4-cylinder engine, resulting in an engine that is smooth from idle to maximum engine speed.

Direct Accessory Mounts
The alternator, air-conditioning compressor, and power steering pump are directly mounted to the engine for vibration suppression.


Got anything to add feel free to do so.
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Old 04-17-2004, 01:28 AM   #2
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Thank you for the good info!
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Old 04-17-2004, 01:29 AM   #3
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sure free of charge
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Old 07-04-2004, 02:34 AM   #4
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Old 07-10-2004, 10:14 PM   #5
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I really hope that extra 5 hp is not at the expense of the 2.4L VVT.
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Old 07-11-2004, 02:25 AM   #6
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^^^lol

I wonder what they did to the engine to get it the extra wopping 5 horsepower out of the ecotec. I should do a motor swap to it

i can't wait to see these on the road....although i'm not a fan of the 4 door ones they're makin
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Old 07-15-2004, 12:41 PM   #7
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check out the new issue of HCI they are building an ecotec powered cavi....super charged
Click the image to open in full size.
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Old 07-15-2004, 12:43 PM   #8
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yea we have something about that around here
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Old 10-08-2004, 12:30 AM   #9
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2.2L ECOTEC Engine
The 2.2L ECOTEC engine is a twin-cam, 16-valve power plant that produces 145 horsepower and 155 lb.-ft. of torque. Standard on Cobalt Coupe and Sedan models, LS models and LT Sedan.
2.2L ECOTEC engine highlights:
Has undergone some of the toughest and most comprehensive tests ever conducted at GM Powertrain.
The cylinder head and engine block are made of lightweight aluminum.
Noted for its low noise and vibration levels, a result of the engine's rigid structure, counter-rotating balance shafts, structural oil pan and other features.
Designed to be driven for 5 years or 150,000 miles (whichever comes first) before replacing the coolant, for 100,000 miles before changing the spark plugs and, based on driving conditions, without ever changing the automatic transmission fluid (on Cobalt models equipped with this transmission).
Twin counter-rotating balance shafts housed in the cylinder block help cancel out the secondary vertical shaking forces inherent in a four-cylinder engine.
The line of ECOTEC engines in Cobalt use direct-mount accessories to eliminate noise and vibration.
Long-lasting chain-drive systems and hydraulic lash adjusters also deliver quiet and smooth dependability.
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Old 12-31-2009, 03:22 AM   #10
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The L61 makes 148hp now.
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Old 12-31-2009, 03:24 AM   #11
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Old 12-31-2009, 06:20 PM   #12
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Quote:
Originally Posted by RedCavyRS99 View Post
Coil-On-Plug Ignition
Efficient spark - New ignition cassette eliminates spark plug wires, which reduces maintenance and increases spark efficiency.
Maven, you are slipping, you forgot about this correction too. 02-06 had the coilpack, 07+ had coil-over-plug.
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Old 01-03-2010, 04:49 PM   #13
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There is useful information in here but do we really need to bump a thread from 2004?
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Old 01-04-2010, 10:31 PM   #14
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Yeah, the L61 Ecotec 2.2 went from 140hp and 150lbs tq to 145hp and 155lbs tq then went to 148hp and 153lbs tq.

The new LAP 2.2, from what I hear, is even higher in hp and less in tq.
If that is the trend, keep robbing tq for hp, it will become a Civic Si, lol.
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Last edited by Mike85220; 01-04-2010 at 10:47 PM.
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Old 01-05-2010, 06:40 PM   #15
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Quote:
Originally Posted by haymakercobalt View Post
There is useful information in here but do we really need to bump a thread from 2004?
Does anyone else see the irony?
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Old 01-05-2010, 06:40 PM
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