Sign in to follow this  
Followers 0
Bobby MSME

2016-2017-2018 Spark Engines are Great!

4 posts in this topic

GM 1.4-Liter I4 Ecotec LV7 Engine

The LV7 is a naturally-aspirated 1.4-liter four-cylinder engine produced by General Motors for use in small (city-class and subcompact) vehicles. The LV7 is part of an all-new, modular family of engines launching in the 2015-2016 time period.

The new family of engines was engineered to deliver strong performance with excellent efficiency and is part of a clean-sheet design and engineering process that leveraged the diverse experience of GM’s global resources.

“The new Ecotec architecture represents the most advanced and efficient family of small-car gas engines in GM’s history,” said Tom Sutter, global chief engineer. “Along with performance and efficiency targets, we’ve also aimed for segment-challenging refinement with low noise and vibration – and we’ve hit the bulls-eye.”

The new 1.4-liter four-cylinder Ecotec is known by its LV7 production code. Notable technologies and features of the new engine include:

  • Aluminum cylinder block and head, helping to reduce the vehicle’s overall mass to enhance performance and efficiency
  • Integrated exhaust manifold on the cylinder head, which further reduces weight, helping to further contribute to increased vehicle efficiency and a more favorable front-to-rear weight balance for a more responsive driving experience
  • Reduced friction, including low-friction piston rings, a low-friction camshaft drive and a low-friction oil pump to increase engine efficiency
  • Dual Overhead Cam (DOHC) configuration with Variable Valve Timing

GM first announced the 1.4L LV7 for the 2016 Chevrolet Spark.

http://gmauthority.com/blog/gm/gm-engines/lv7/

Share this post


Link to post
Share on other sites

"Reduced friction, including low-friction piston rings, a low-friction camshaft drive and a low-friction oil pump to increase engine efficiency"

Thanx Bobby...The lower friction component aspect stands out for me since this will contribute to a longer component/engine life. I have previously looked into this line of GM engines with their torque at lower and upper rpm's and I think they have a winner on their new LV7. This fairly flat torque aspect is also well suited to a CVT. I have a fairly flat torque at all RPM's on my newer marine engine and it saves on gas while providing lower maintenance and power at all RPM's. I can now do a long cruise at about 1,800 rpm with a larger prop making good speed at a lot less fuel consumption and saving the higher rpm's for rough weather. Good post!

Share this post


Link to post
Share on other sites

The 1.2 used in the first gen spark has the same basic features , low friction , forged rods .    Not much changed but your getting a slightly larger and more powerful motor with the 1.4 that’s welcome . They are good strong low maintenance engines across the generations  . 

Share this post


Link to post
Share on other sites
On 3/18/2018 at 9:49 AM, sparkfanatic said:

The 1.2 used in the first gen spark has the same basic features , low friction , forged rods .    Not much changed but your getting a slightly larger and more powerful motor with the 1.4 that’s welcome . They are good strong low maintenance engines across the generations  . 

The 2017 is my first Spark, so yes, I really like how peppy this little car is with the 1.4 liter 4 banger. I just know if I ever let my wife drive it, she will want to trade in her not so peppy HHR for a Spark. But I am afraid the CVT may not last with her lead foot. 

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now
Sign in to follow this  
Followers 0