A History of Boosting Performance
The Ford 6.9 IDI (Indirect Injection) diesel engine. A legend in its own time, a stalwart workhorse that powered countless Ford trucks and vans throughout the nineteen eighties. While celebrated for its reliability and longevity, the six point nine IDI was often criticized for its lack of power, especially when compared to the turbocharged diesel engines that began to dominate the market later on. For many owners, particularly those who used their trucks for towing or hauling heavy loads, this power deficit became a significant limitation. But there was a solution. An upgrade that promised to unlock the hidden potential of this venerable engine: the Banks Turbo Kit.
For those looking to add serious power to their classic six point nine IDI Ford, the Banks Turbo Kit has long been considered a premier option. This article delves deep into the world of turbocharging your six point nine IDI, exploring the history, components, performance gains, installation considerations, and the overall value proposition of the Banks Turbo system. We’ll examine whether this upgrade is truly worth the investment for owners seeking to revitalize their classic Ford diesel.
The need for more power in the six point nine IDI was a common sentiment among owners. Towing heavy trailers up steep grades, merging onto busy highways, or simply keeping pace with modern traffic often left drivers wanting more. The stock engine, while dependable, simply didn’t offer the same level of performance as its turbocharged counterparts. This desire for increased power created a demand for aftermarket upgrades.
Enter Banks Power, a company renowned for its expertise in turbocharging diesel engines. Banks Power had already established a strong reputation for developing high-quality performance products, particularly for diesel applications. Their understanding of airflow, combustion, and engine management made them a natural choice to address the power shortcomings of the six point nine IDI.
The original Banks Sidewinder Turbo Kit for the six point nine IDI was introduced to a market hungry for solutions. It was met with enthusiasm, promising to transform the driving experience and unlock the true potential of the engine. The Sidewinder kit was designed with a focus on reliability and drivability, aiming to deliver a significant power increase without sacrificing the engine’s inherent durability. Its design philosophy centered on optimizing airflow and combustion efficiency, resulting in a noticeable improvement in overall performance.
Examining the System Components
The Banks Turbo Kit is more than just a turbocharger; it’s a comprehensive system designed to work seamlessly with the six point nine IDI engine. Let’s break down the key components:
At the heart of the kit is the turbocharger itself. While the specific model may have varied depending on the vintage of the kit, it was typically a carefully selected unit designed to deliver optimal performance for the engine’s characteristics. The Area Ratio and wastegate details (if applicable) played a crucial role in controlling boost pressure and preventing overboost, safeguarding the engine from potential damage. The designed boost pressure was crucial in making the kit safe and reliable.
The exhaust manifold is another critical component. Banks Power designed their manifold to improve exhaust flow, allowing the turbocharger to spool up quickly and efficiently. The design, typically cast iron, was chosen for its durability and ability to withstand the high temperatures associated with turbocharging. Improving the engine’s ability to breath was the key to the kit’s success.
The downpipe and exhaust system were also upgraded to handle the increased exhaust flow. A larger diameter downpipe, constructed from durable materials, helped to reduce backpressure and further improve turbocharger performance. Many kits also included performance mufflers or exhaust options that not only enhanced the sound of the engine but also contributed to improved flow.
The air intake system was designed to provide a steady and unrestricted flow of cool, clean air to the turbocharger. This typically involved a high-flow air filter and optimized intake plumbing. Some kits may have included an intercooler to further cool the intake air, increasing its density and improving combustion efficiency. While an intercooler wasn’t always part of the package, it was often a desirable addition for those seeking maximum performance.
Depending on the specific kit and the desired level of performance, fuel system modifications may have been necessary. This could involve injector upgrades to deliver more fuel or adjustments to the fuel pump to ensure adequate fuel supply under increased boost conditions. Matching the fuel delivery to the increased airflow was essential for achieving optimal power and preventing lean conditions.
Finally, a boost gauge and other instrumentation were often included to allow drivers to monitor the turbocharger’s performance and ensure that it was operating within safe limits. Monitoring boost pressure is critical for preventing overboost and potential engine damage.
Unlocking Performance and Gaining Benefits
The Banks Turbo Kit offers a range of performance gains and benefits that can significantly enhance the driving experience of a six point nine IDI Ford diesel.
One of the most noticeable improvements is the increase in horsepower and torque. While the exact numbers vary depending on the specific kit and the condition of the engine, owners can typically expect a substantial gain in both horsepower and torque. These gains translate into improved acceleration, better towing capability, and a more responsive driving experience.
Improved towing capability is a major advantage for those who use their trucks for hauling heavy loads. The turbocharger provides a significant boost in low-end torque, making it easier to pull heavy trailers up steep grades and maintain consistent speeds. The extra power can make towing much less stressful and more enjoyable.
Enhanced throttle response is another benefit of the Banks Turbo Kit. The turbocharger helps to eliminate turbo lag, providing a more immediate and responsive throttle feel. This makes the truck more enjoyable to drive in everyday situations and provides greater control when maneuvering in tight spaces.
Under certain conditions, the Banks Turbo Kit can also lead to improved fuel economy. By improving combustion efficiency, the turbocharger allows the engine to produce more power with less fuel. While fuel economy gains may not be dramatic, they can be a welcome bonus for owners who drive their trucks frequently.
The Banks Turbo Kit also contributes to reduced Exhaust Gas Temperatures. By promoting more complete combustion, the turbocharger helps to lower EGTs, which can protect the engine from overheating and extend its lifespan.
Navigating Installation Considerations
Installing a Banks Turbo Kit on a six point nine IDI Ford diesel is a significant undertaking that requires careful planning and attention to detail.
The difficulty level of the installation can vary depending on the individual’s mechanical skills and experience. While some experienced mechanics may be able to tackle the installation themselves, others may prefer to have it done professionally. Special tools may be required, such as a torque wrench, sockets, and wrenches of various sizes.
The time required for installation can also vary, but it typically takes several days to complete the job. This includes the time needed to remove the old components, install the new turbocharger and related parts, and make any necessary adjustments.
Potential challenges can arise during the installation process. Fitment issues can occur, especially on older trucks that may have experienced some body damage or modifications. Working with rusty or seized bolts can also be a challenge, requiring patience and the use of penetrating oil or other specialized tools.
Tuning and adjustments are often necessary after the installation to ensure that the engine is running properly. This may involve adjusting the fuel system, monitoring boost pressure, and making any other necessary tweaks. A boost gauge is essential for monitoring the turbocharger’s performance and preventing overboost.
Finally, it’s important to consider supporting modifications that may be recommended to maximize the benefits of the turbo kit. These may include upgrading the exhaust system, fuel system, or transmission to handle the increased power output.
Weighing the Advantages and Disadvantages
The Banks Turbo Kit offers a number of advantages, but it’s also important to consider the potential drawbacks before making a decision.
The advantages include a significant power increase, improved towing performance, enhanced driving experience, potential for fuel economy gains, and reduced EGTs. Banks Power’s reputation for quality and reliability is also a major selling point.
However, the Banks Turbo Kit also has some disadvantages. The cost can be significant, especially for new kits. Installation can be complex and time-consuming. There is the potential for increased stress on the engine and drivetrain if not properly maintained. The availability of parts can be a concern, especially for older kits. Finally, there is the potential for turbo lag, although this is typically minimal with this type of kit.
Exploring Alternative Options
While the Banks Turbo Kit is a popular choice for upgrading the six point nine IDI Ford diesel, there are other options to consider. Other turbo kits may be available, although they may not offer the same level of performance or reliability as the Banks kit. Supercharger kits are less common but may be an option for those seeking a different type of power boost. Another option is to consider more drastic engine swaps. Finally, non-turbo performance upgrades, such as injector upgrades, exhaust systems, and air intake systems, can provide a modest increase in power without the complexity of a turbocharger.
Making the Investment: Is it Worth It?
The Banks Turbo Kit is best suited for owners who tow frequently, those looking for a noticeable performance boost, and enthusiasts who want to preserve the classic IDI engine. The decision of whether or not to invest in a Banks Turbo Kit depends on a number of factors, including budget, mechanical skills, intended use of the truck, and the condition of the existing engine and drivetrain.
If you’re looking for a significant power boost and are willing to invest the time and money required for installation and maintenance, the Banks Turbo Kit can be a worthwhile upgrade. However, it’s important to carefully consider your individual needs and circumstances before making a decision.
Conclusion: Unleashing the Potential
The Banks Turbo Kit offers a proven and effective way to breathe new life into your six point nine IDI Ford diesel. With its ability to deliver a significant power increase, improve towing performance, and enhance the overall driving experience, the Banks Turbo Kit can transform your classic Ford truck into a more capable and enjoyable machine. Proper installation and maintenance are essential to ensure long-term reliability and performance. If you are ready to breathe new life into your six point nine IDI, exploring the Banks Turbo Kit is a path to unlock its full potential!
