When it comes to high-performance vehicles, the Infiniti G37 is a name that resonates with car enthusiasts worldwide. Known for its sleek design, agile handling, and blistering acceleration, this Japanese luxury car has gained a cult following over the years. But, have you ever wondered what lies beneath the hood of this performance powerhouse? Specifically, does the G37 have a VQ engine? In this article, we’ll delve into the fascinating world of engine technology and explore the anatomy of the G37’s powerhouse.
The VQ Engine Legacy
Before we dive into the specifics of the G37’s engine, let’s take a brief look at the VQ engine family. Introduced in the late 1990s, the VQ series of engines has been a benchmark for performance, reliability, and fuel efficiency. Developed by Nissan, the VQ engine has powered some of the most iconic vehicles in the company’s lineup, including the Skyline GT-R, 350Z, and of course, the Infiniti G37.
The VQ engine’s success can be attributed to its innovative design, which incorporates advanced technologies such as:
- Aluminum alloy construction for reduced weight and improved thermal efficiency
- Dual overhead camshafts for enhanced fuel combustion and power delivery
- Variable valve timing and lift (VVEL) for optimized engine performance and efficiency
- A compact, compact design that allows for improved packaging and reduced noise, vibration, and harshness (NVH)
Throughout its evolution, the VQ engine has undergone significant upgrades, including the introduction of direct fuel injection, turbocharging, and hybrid technology. But, what about the G37 specifically? Does it boast a VQ engine under the hood?
The G37’s Engine Lineup
The Infiniti G37 was produced from 2008 to 2013, with three generations of engines powering this luxury sport sedan. Let’s explore each generation:
First Generation (2008-2010)
The initial G37 models came equipped with a 3.7-liter V6 engine, codenamed VQ37VHR. This engine produced an impressive 328 horsepower and 267 lb-ft of torque, making it one of the most potent engines in its class. The VQ37VHR featured a forged crankshaft, connecting rods, and pistons, ensuring exceptional strength and durability.
Second Generation (2010-2012)
In 2010, Infiniti introduced an updated version of the VQ37VHR, which saw a slight bump in power to 330 horsepower and 270 lb-ft of torque. This refreshed engine boasted improved fuel injection, ignition, and cooling systems, resulting in enhanced performance and efficiency.
Third Generation (2012-2013)
The final iteration of the G37’s engine lineup saw the introduction of the VQ37VHR-S, which produced an astonishing 348 horsepower and 276 lb-ft of torque. This engine featured upgraded internal components, including stronger connecting rods and pistons, as well as a more aggressive camshaft profile.
What Sets the VQ37VHR Apart?
So, what makes the VQ37VHR engine in the G37 so special? Here are some key features that set it apart:
- High-Revving Capability: The VQ37VHR engine is designed to rev freely, with a redline of 7,500 rpm. This allows drivers to fully exploit the engine’s powerband, making for an exhilarating driving experience.
- Linear Power Delivery: The VQ37VHR’s variable valve timing and lift (VVEL) system ensures that power delivery is linear and predictable, providing exceptional throttle response and acceleration.
- Refined Engine Sound: The G37’s engine features a unique sound-absorbing material in the intake manifold, which helps to reduce engine noise and vibration, creating a more refined driving experience.
Conclusion: The G37’s VQ Legacy
In conclusion, the Infiniti G37 does, in fact, boast a VQ engine under the hood. The VQ37VHR and its subsequent iterations have cemented the G37’s reputation as a performance powerhouse, offering exceptional acceleration, handling, and refinement. Whether you’re carving up twisty roads or cruising down the highway, the G37’s VQ engine is a testament to Nissan’s commitment to innovative engineering and performance.
As we look back at the G37’s impressive run, it’s clear that the VQ engine has left an indelible mark on the world of automotive performance. As the industry continues to evolve, one thing is certain – the VQ engine’s legacy will continue to inspire future generations of drivers and engineers alike.
| 2008-2010 | VQ37VHR | 328 | 267 |
| 2010-2012 | VQ37VHR | 330 | 270 |
| 2012-2013 | VQ37VHR-S | 348 | 276 |
Note: The table above provides a summary of the G37’s engine specifications across its three generations.
What makes the G37’s engine so powerful?
The G37’s engine is a 3.7-liter V6 that produces 330 horsepower and 270 lb-ft of torque. This is due to its advanced design and technology, including features such as variable valve timing and lift control, which allow for more efficient combustion and increased power output. The engine also has a high compression ratio, which enables it to extract more energy from every gallon of fuel.
Additionally, the G37’s engine is equipped with a number of other performance-enhancing features, such as a high-flow intake manifold and a free-flowing exhaust system. These components work together to maximize the engine’s potential, delivering a driving experience that is both exhilarating and refined.
What is the significance of the G37’s V6 engine configuration?
The V6 engine configuration of the G37 provides a number of advantages over other engine layouts. For one, it allows for a more compact design, which enables the engine to be mounted lower in the chassis, improving the car’s overall handling and stability. The V6 configuration also provides a more balanced and smooth power delivery, making it ideal for a performance vehicle like the G37.
Furthermore, the V6 engine configuration enables the G37 to produce a broad powerband, with plenty of low-end torque for acceleration and high-end horsepower for cruising. This makes the G37 well-suited for a variety of driving scenarios, from spirited cornering to high-speed highway driving.
How does the G37’s engine management system contribute to its performance?
The G37’s engine management system is a sophisticated computer-controlled system that continuously monitors and adjusts the engine’s performance in real-time. This system ensures that the engine is always running at its optimal level, taking into account factors such as engine speed, throttle position, and fuel injection. This results in improved performance, fuel efficiency, and emissions.
The engine management system also plays a critical role in the G37’s advanced features, such as its variable valve timing and lift control. By continuously monitoring the engine’s performance, the system can adjust these features in real-time to maximize power output, torque, and fuel efficiency. This allows the G37 to deliver a truly exceptional driving experience.
What is the role of the G37’s exhaust system in its performance?
The G37’s exhaust system is a critical component of its overall performance. The system features a high-flow design, which enables the engine to breathe more efficiently and produce more power. The exhaust system is also equipped with a number of resonators and mufflers, which work together to reduce backpressure and improve exhaust flow.
The result is an exhaust system that not only sounds powerful and aggressive, but also contributes to the G37’s exceptional acceleration and responsiveness. By reducing backpressure and improving exhaust flow, the system enables the engine to produce more power and torque, making the G37 an even more exhilarating drive.
How does the G37’s transmission contribute to its performance?
The G37’s transmission is a sophisticated 7-speed automatic with manual shift mode and paddle shifters. This transmission is designed to provide quick and seamless shifting, allowing the driver to fully exploit the engine’s power and torque. The transmission also features a number of advanced features, such as downshift rev matching and adaptive shift control, which work together to improve the driving experience.
The transmission’s manual shift mode allows the driver to take control of gear shifting, making it ideal for spirited driving or track days. The paddle shifters also provide an added level of convenience and control, allowing the driver to quickly shift gears without taking their hands off the wheel.
What maintenance is required to keep the G37’s engine running at its best?
To keep the G37’s engine running at its best, it is essential to follow a regular maintenance schedule. This includes regular oil changes, using high-quality synthetic oil and filter, and ensuring that the coolant and brake fluid levels are at the recommended levels. It is also important to keep the engine’s air filter clean, and to replace it every 15,000 to 30,000 miles or as recommended by the manufacturer.
Additionally, it is recommended to have the G37’s engine tuned and inspected every 30,000 to 60,000 miles, or as recommended by the manufacturer. This can help to identify any potential issues before they become major problems, and ensure that the engine is running at its optimal level.
Are there any performance upgrades available for the G37?
Yes, there are a number of performance upgrades available for the G37. These can range from simple bolt-on components, such as air intakes and cat-back exhaust systems, to more extensive modifications, such as engine tuning and internal engine components. These upgrades can help to unlock the G37’s full potential, delivering even more power, torque, and responsiveness.
It is essential to carefully research and choose any performance upgrades, ensuring that they are compatible with the G37’s engine and emissions system. It is also recommended to have any upgrades installed by a qualified mechanic or tuner, to ensure that they are installed correctly and safely.