Hey guys, if you're rollin' with a 2020 6.7 Cummins, you already know you've got a beast under the hood. But let's be real, are you always looking for ways to crank up the power? Of course, you are! One of the best ways to unleash some serious potential is with a turbo upgrade kit. It's like giving your truck a shot of adrenaline, and trust me, the results are awesome. In this guide, we'll dive deep into everything you need to know about upgrading your turbo, from why you should do it to how to choose the right kit for your needs. Buckle up, because we're about to get technical and exciting all at once!

    Why Upgrade Your 6.7 Cummins Turbo?

    So, why bother with a turbo upgrade in the first place? Well, the stock turbo on your 2020 6.7 Cummins is pretty decent, designed for a balance of power, fuel efficiency, and emissions compliance. But it's also a bit of a compromise. An upgraded turbo can unlock a whole new level of performance, giving you benefits you might not even realize you were missing out on. Let's break down some key reasons why a turbo upgrade is a game-changer.

    Increased Horsepower and Torque

    This is the big one, folks! A properly matched turbo upgrade can significantly boost both horsepower and torque. Imagine feeling that extra surge of power when you hit the gas, whether you're hauling a heavy load, merging onto the highway, or just showing off to your buddies. Upgraded turbos can often support much higher boost levels than the factory unit. This means more air is forced into the engine, leading to a more complete combustion cycle and, as a result, more power. You'll notice improved acceleration, better towing capabilities, and a general feeling of responsiveness that your stock turbo just can't match. This is especially true if you're also upgrading other components like your intake and exhaust systems. A well-rounded upgrade package can turn your already powerful truck into an absolute monster.

    Improved Throttle Response

    Tired of that slight lag you feel when you hit the accelerator? A new turbo can help! Many upgraded turbos are designed with improved aerodynamics and smaller turbine wheels, which spool up faster. This means less delay between the time you step on the pedal and the moment your engine roars to life. It gives you a much more engaging driving experience, making your truck feel more agile and responsive, particularly in stop-and-go traffic or when you need quick bursts of acceleration. The difference in throttle response is often one of the first things people notice after a turbo upgrade, and it's something you'll appreciate every time you drive.

    Enhanced Towing Performance

    If you use your 6.7 Cummins for towing, a turbo upgrade can be a lifesaver. The added low-end torque that comes with many upgrade kits makes it easier to pull heavy loads, especially up hills. Your engine will work less hard, run cooler, and provide a much more confident towing experience. No more struggling to maintain speed on inclines or feeling like your truck is gasping for air. With a beefed-up turbo, you'll be able to tow with greater ease and efficiency, making those long hauls a whole lot less stressful. Plus, a cooler-running engine is a healthier engine, and that means fewer headaches down the road. It's a win-win!

    Better Fuel Efficiency (Potentially!)

    Now, this one isn't always a given, but a well-matched turbo upgrade, combined with other supporting modifications, can sometimes improve fuel efficiency. How? By allowing the engine to operate more efficiently across a wider range of RPMs. An upgraded turbo can help the engine breathe better, leading to more complete combustion and less wasted fuel. However, it's important to remember that if you're constantly using the added power, your fuel economy might not improve significantly. Still, if you drive conservatively and take advantage of the increased efficiency, you might see a slight bump in your miles per gallon. And hey, even if it doesn't improve your fuel economy, the added power and performance are usually worth it, right?

    Customization and Tuning

    Upgrading your turbo opens up a whole new world of customization and tuning options. You'll likely need to get your truck professionally tuned to take full advantage of the new turbo's capabilities. A good tuner can optimize your engine's fuel maps, boost levels, and other parameters to squeeze every last drop of performance out of your setup while keeping your engine running safely. This level of customization allows you to tailor your truck's performance to your specific needs, whether you prioritize maximum power, fuel efficiency, or a balance of both. It's like having a tailor-made suit for your engine, ensuring it performs exactly how you want it to.

    Choosing the Right Turbo Upgrade Kit

    Alright, so you're sold on the idea of upgrading your turbo. Now comes the fun part: choosing the right kit! With so many options out there, it can seem a little overwhelming. But don't worry; we'll break down the key factors to consider to make sure you get the perfect turbo for your needs. This is where you really get to dial in the specifics for your truck and how you use it.

    Your Goals and Driving Style

    First things first: What do you want to achieve with your upgrade? Are you looking for maximum power for racing or off-roading? Do you primarily use your truck for towing and need more low-end torque? Or are you just looking for a general improvement in performance and responsiveness? Your goals will heavily influence the type of turbo you choose. If you're chasing all-out power, you'll likely want a larger turbo that can handle higher boost levels. If you're focused on towing, a turbo with good low-end torque and quick spool-up will be more important. Consider your driving style, too. If you spend most of your time on the highway, a turbo optimized for top-end performance might be a good choice. If you're constantly in stop-and-go traffic, a turbo with quicker spool-up will be ideal. Knowing your goals and how you drive is the foundation for making the right choice.

    Turbo Size and Specs

    Turbochargers come in various sizes and configurations, and each has its strengths and weaknesses. The size of the turbo, often measured by the inducer and exducer diameters of the compressor and turbine wheels, directly affects its performance characteristics. A larger turbo can typically support higher boost levels and produce more power at higher RPMs, but it may also experience more turbo lag (the delay between when you hit the gas and when the turbo spools up). A smaller turbo will spool up faster, providing better throttle response and low-end torque, but it may not be able to produce as much power at the top end. Some common turbo sizes for the 6.7 Cummins include:

    • Stock Replacement Turbos: Designed to be a direct replacement for the factory turbo, these often offer slight improvements in performance and reliability while maintaining a similar driving experience.

    • Drop-In Turbos: These are usually a step up from stock replacement turbos, offering more significant power gains without requiring extensive modifications. They typically bolt onto the factory exhaust manifold and downpipe.

    • Larger Turbos: These turbos are designed for high-performance applications and require modifications to the exhaust manifold, downpipe, and sometimes other components. They can produce massive power gains but may also have more turbo lag.

    • Variable Geometry Turbos (VGT): This is the type of turbo found on the 6.7 Cummins. VGT turbos have adjustable vanes that can change the exhaust flow, providing a balance of quick spool-up and high-end power.

    Materials and Construction

    The materials and construction quality of a turbo are crucial for its durability and performance. Look for turbos made from high-quality materials like:

    • Compressor Wheel: Typically made from forged billet aluminum, which is stronger and more lightweight than cast aluminum, improving spool-up time and durability.
    • Turbine Wheel: Often made from high-nickel alloys or stainless steel to withstand high exhaust temperatures.
    • Bearings: Turbos can use either journal bearings or ball bearings. Ball-bearing turbos generally offer improved spool-up and reduced friction, but they can be more expensive.

    Pay attention to the overall build quality, including the machining tolerances, the quality of the seals, and the overall fit and finish. A well-built turbo will last longer and provide more consistent performance. Also, check the warranty; a longer warranty period often indicates the manufacturer's confidence in their product.

    Compatibility and Installation

    Make sure the turbo upgrade kit is compatible with your specific year and model of 6.7 Cummins. Some kits are designed for specific model years, and the installation process can vary. Some kits are designed as a direct replacement, bolting right up to your existing components, while others may require modifications to the exhaust manifold, downpipe, or other parts. Read the product descriptions carefully and verify the fitment before making a purchase. Also, consider your own mechanical skills and the tools you have available. If you're not comfortable with the installation process, it's always a good idea to have a professional mechanic do the work. Proper installation is critical for the turbo's performance and longevity, so don't cut corners.

    Budget and Brand Reputation

    Turbo upgrade kits can range in price from a few hundred dollars to several thousand, depending on the quality, size, and features. Set a budget before you start shopping and stick to it. While it's tempting to go for the cheapest option, keep in mind that you often get what you pay for. Lower-priced turbos might be made from lower-quality materials and may not perform as well or last as long as higher-end options. Research different brands and read reviews from other customers. Look for reputable manufacturers with a proven track record of producing high-quality turbochargers. Some well-regarded brands in the diesel performance market include BorgWarner, Garrett, Fleece Performance Engineering, and Industrial Injection. Don't be afraid to invest a bit more in a quality turbo from a reputable brand; it's an investment in your truck's performance and reliability.

    Additional Components

    Along with the turbo itself, a complete upgrade kit may include other components such as:

    • Wastegate: This controls boost pressure and prevents overboosting, protecting your engine.
    • Manifold: Upgraded exhaust manifolds can improve exhaust flow and enhance turbo performance.
    • Downpipe: An upgraded downpipe can further improve exhaust flow and reduce backpressure.
    • Intake Kit: Upgrading your intake can improve airflow, leading to better combustion and more power.

    Make sure the kit you choose includes all the necessary components for a complete and hassle-free installation. Also, consider whether you'll need any additional parts, such as new gaskets, studs, or hardware.

    Installation and Tuning Tips

    Okay, so you've chosen your turbo and you're ready to get it installed. Awesome! While every installation is unique, here are some general tips to help you get the job done right and ensure your new turbo performs flawlessly.

    Professional Installation or DIY?

    As mentioned earlier, you can choose to install the turbo yourself or have a professional mechanic handle the job. If you're mechanically inclined, have experience working on diesel engines, and have the right tools, you might be able to tackle the installation yourself. However, turbo upgrades can be complex, and mistakes can be costly. If you're not confident in your abilities, it's always best to have a qualified mechanic do the work. They'll have the experience, tools, and expertise to ensure the turbo is installed correctly and that everything functions as it should. Plus, they can often catch any potential problems before they become major issues. The cost of professional installation is an investment in your truck's long-term performance and reliability.

    Step-by-Step Installation Guide

    While the exact installation process will vary depending on the specific kit you choose, here's a general overview of the steps involved:

    1. Preparation:
      • Disconnect the negative battery terminals.
      • Gather all necessary tools and components.
      • Consult the manufacturer's instructions for the specific kit.
    2. Removal of the Old Turbo:
      • Disconnect the exhaust and intake components.
      • Remove any sensors or wiring connected to the turbo.
      • Unbolt the turbo from the exhaust manifold and downpipe.
      • Carefully remove the old turbo.
    3. Installation of the New Turbo:
      • Install the new turbo on the exhaust manifold.
      • Connect the downpipe and other exhaust components.
      • Reattach the intake components and sensors.
      • Double-check all connections and ensure everything is secure.
    4. Final Checks:
      • Reconnect the battery terminals.
      • Check for any leaks.
      • Start the engine and let it idle to check for any unusual noises.

    The Importance of Tuning

    Once the turbo is installed, it's absolutely crucial to get your truck tuned. A proper tune optimizes the engine's fuel maps, boost levels, and other parameters to take full advantage of the new turbo's capabilities. Without a tune, you won't be able to realize the full potential of your upgrade, and you could even damage your engine. A professional tuner will use a dynamometer (dyno) to measure your truck's horsepower and torque, and they'll make adjustments to the engine's settings until the truck is running optimally. They'll also ensure that your engine is running safely and that all the components are working together harmoniously. Tuning is an essential part of the turbo upgrade process, and it's a step you shouldn't skip. The tune will not only optimize performance but will also help to protect your investment.

    Break-In Period and Maintenance

    After the turbo is installed and tuned, it's important to follow a break-in period to allow the components to settle and adjust. During this period, avoid prolonged high-RPM driving and excessive boost levels. This allows the turbo to break in properly and ensures optimal performance and longevity.

    Regular maintenance is also essential to keep your turbo running smoothly. This includes:

    • Regular Oil Changes: Use high-quality oil and change it at the recommended intervals. This lubricates the turbo bearings and keeps them running smoothly.
    • Air Filter Maintenance: Keep your air filter clean to prevent debris from entering the turbo and causing damage.
    • Check for Leaks: Regularly inspect the turbo and related components for any leaks.

    Final Thoughts

    Upgrading the turbo on your 2020 6.7 Cummins is a fantastic way to unlock more power, improve performance, and take your truck to the next level. By carefully choosing the right turbo kit, following the proper installation procedures, and getting your truck tuned, you can enjoy all the benefits of a high-performance turbocharger. Just remember to do your research, choose quality components, and don't be afraid to seek professional help if you need it. Enjoy the boost, guys, and happy trucking!

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