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L86 Vs L87 : What Is The Difference Between These Two Small Block Engines

The EcoTec3 engine was designed to provide a balance between power and efficiency, with a focus on reducing emissions and fuel consumption.

Engine Design and Features

The Gen 5 L86 6.2-liter EcoTec3 V8 engine was designed to meet the demands of large SUV and full-size pickup truck applications. Its design focused on achieving a balance between power and efficiency, with a number of key features that contributed to its success. Direct Fuel Injection: The EcoTec3 engine featured direct fuel injection, which allowed for more precise control over fuel delivery and improved combustion efficiency. Variable Valve Timing: The engine also employed variable valve timing, which enabled the engine to optimize valve timing for different driving conditions. * Dual Overhead Camshaft: The EcoTec3 engine utilized a dual overhead camshaft design, which provided improved engine breathing and reduced emissions.**

Performance and Capabilities

The Gen 5 L86 6.2-liter EcoTec3 V8 engine was capable of producing 420 horsepower at 5,600 rpm, making it a strong contender in the large SUV and full-size pickup truck market. Its performance capabilities were further enhanced by its advanced engine management system, which allowed for precise control over engine performance and emissions. Peak Power and Torque: The engine’s peak power production of 420 horsepower and 460 lb-ft of torque made it well-suited for towing and hauling heavy loads.

The L87 engine features a new cylinder deactivation system, which allows the 2019 and later models to shut off three of the eight cylinders when the vehicle is stationary or cruising at low speeds. This technology significantly reduces fuel consumption and emissions.

Engine Features and Benefits

The L87 EcoTec3 engine boasts several key features that set it apart from its predecessor. Some of the notable benefits include:

  • Improved fuel efficiency: The new cylinder deactivation system allows the engine to shut off three cylinders when not in use, reducing fuel consumption and emissions. Enhanced performance: The L87 engine produces more power and torque than the L86, making it ideal for towing and hauling heavy loads. Increased durability: The engine’s advanced design and materials help to reduce wear and tear, resulting in a longer lifespan and lower maintenance costs. ## Comparison to the L86 Engine*

    • Comparison to the L86 Engine

    The L87 EcoTec3 engine is a significant improvement over its predecessor, the L86.

    This feature is designed to minimize fuel consumption and reduce emissions.

    Introduction

    The world of commercial trucking is a significant contributor to greenhouse gas emissions, with millions of trucks on the road contributing to air pollution. To address this issue, the U.S. Department of Transportation has implemented various technologies to reduce emissions and improve fuel efficiency. One such technology is the Automatic Start/Stop system, designed to minimize fuel consumption and reduce emissions.

    How it Works

    The Automatic Start/Stop system is a simple yet effective technology that reduces engine idling when the truck is stopped in traffic. Here’s how it works:

  • The system uses a combination of sensors and software to monitor the truck’s speed, engine load, and other factors. When the truck comes to a stop, the system automatically shuts off the engine, reducing fuel consumption and emissions. The system can be set to restart the engine automatically when the truck is ready to move again, eliminating the need for manual intervention. ## Benefits*

    • Benefits

    The Automatic Start/Stop system has several benefits, including:

  • Reduced fuel consumption: By reducing engine idling, the system can save up to 10% of fuel consumption, leading to lower fuel costs and reduced emissions. Lower emissions: By reducing engine idling, the system can also reduce emissions, contributing to a cleaner environment.

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