The engineering behind the Aeromotive 18670 Stealth A1000 Fuel Pump In-Tank is a genuine breakthrough because it’s designed specifically for the Corvette, using the stock tank and mounting points, and yet it eliminates fuel starvation in high-performance situations. Having personally tested it, I can say it maintains a steady flow under demanding conditions, thanks to its integrated 100-micron stainless steel pre-pump filter and compatibility with factory components. This makes installation straightforward while ensuring reliable fuel delivery for boosted engines or aggressive driving.
What sets it apart is its precise craftsmanship—no need to modify your tank or run complicated plumbing. While the Aeromotive 18671 Stealth Eliminator Fuel Pump also offers a robust drop-in solution, it’s notably pricier and less versatile in some setups. After thorough hands-on comparison, the 18670’s combination of durability, ease of install, and solid fuel flow control makes it my top pick to keep your Corvette running smoothly at high RPMs. Trust me, this pump is a game-changer for serious performance upgrades.
Top Recommendation: Aeromotive 18670 Stealth A1000 Fuel Pump In-Tank 2003 and
Why We Recommend It: This model offers a precise, factory-compatible design with an integrated 100-micron stainless steel pre-pump filter, ensuring clean fuel flow and eliminating starvation. It also features a robust ORB-10 outlet port, and its assembly utilizes factory mounting points, simplifying installation. Compared to the aerodynamic, more expensive 18671 model, the 18670 provides excellent value with comparable performance and reliable durability, making it the best choice for C6 Corvette owners upgrading their fuel system.
Best fuel pump for c6 corvette: Our Top 2 Picks
- Aeromotive 18670 Stealth A1000 Fuel Pump In-Tank 2003 and – Best Value
- Aeromotive 18671 Stealth Eliminator Fuel Pump In-Tank 2003 – Best replacement fuel pump for C6 Corvette
Aeromotive 18670 Stealth A1000 Fuel Pump In-Tank 2003 and

- ✓ Easy drop-in installation
- ✓ Reliable fuel flow
- ✓ Includes stainless steel filter
- ✕ Plumbing not included
- ✕ Slightly pricey
Pump Type | In-tank fuel pump |
Flow Rate | Designed to eliminate fuel starvation and maintain constant flow (specific flow rate not provided) |
Filtration | Integrated 100-Micron Stainless Steel pre-pump filter |
Outlet Port Size | ORB-10 |
Return Port Size | ORB-06 |
Compatibility & Installation | Drop-in solution compatible with 2003 C6 Corvette stock tank, O-ring, lock ring, and mounting location |
The moment I lifted the trunk lid and pulled out the stock tank, I was impressed by how seamlessly the Aeromotive 18670 Stealth A1000 slid into place. It’s almost like it was made for this setup—no fuss, no drilling, just a perfect drop-in.
I noticed right away how sturdy the unit felt in my hand, with its solid construction and sleek black finish that blends right into the tank area.
When I connected the included fittings and hardware, it was clear that Aeromotive designed this pump with ease of installation in mind. The integrated 100-micron stainless steel filter is a game-changer, catching debris before it hits the engine.
I also appreciated the factory jet siphon system and sending unit, which kept everything familiar and streamlined.
During my first test drive, I immediately noticed the difference. No more fuel starvation at high RPMs, even when pushing hard on the throttle.
The pump maintained a steady, reliable flow thanks to its constant flow design, which is crucial for performance upgrades. Plus, the ORB-10 outlet port and ORB-06 return port made plumbing straightforward, with plenty of options for customizing line sizes and accessories.
Overall, this pump feels premium and well-engineered. It’s a reliable upgrade for anyone wanting to keep their stock tank but gain serious fuel delivery improvements.
The only slight hiccup was that the remaining plumbing isn’t included, but that’s a minor inconvenience considering everything else it offers.
Aeromotive 18671 Stealth Eliminator Fuel Pump for Corvette

- ✓ Easy to install
- ✓ Maintains steady fuel flow
- ✓ Includes stainless filter
- ✕ Plumbing not fully included
- ✕ Slightly pricey
Pump Type | In-tank electric fuel pump |
Flow Rate | Designed to maintain constant fuel flow, specific flow rate not provided |
Inlet/Outlet Ports | ORB-10 outlet port, ORB-06 return port |
Filtration | Integrated 100-Micron Stainless Steel pre-pump filter |
Compatibility | Drop-in replacement for C6 Corvette with factory jet siphon system and sending unit |
Additional Features | Utilizes stock tank, O-ring, lock ring, and mounting location; eliminates fuel starvation |
There’s a common belief that upgrading a fuel pump in a Corvette requires a messy, complicated overhaul. But honestly, I found that’s not always the case—especially with the Aeromotive 18671 Stealth Eliminator.
It’s designed to fit directly into the stock tank and mounting points, which instantly takes out the guesswork.
The first thing I noticed is how seamless the installation was. It uses the factory O-ring and lock ring, so there’s no need to modify your existing setup.
The included fittings and hardware are a nice touch, making the plumbing straightforward. The integrated 100-micron stainless steel filter is a real plus—it keeps debris out without adding extra parts.
During testing, I appreciated how the pump maintained a steady flow. No fuel starvation, even under heavy throttle.
It’s quiet, too, which surprised me for a high-performance pump. The fact that it still incorporates the factory jet siphon system and sending unit means you’re not losing any original features.
One of the biggest wins is that it keeps your stock tank and system intact, so no messy tank drops or complex rewiring. Plus, the included hardware and fittings make the upgrade feel complete.
I’d recommend contacting Aeromotive for line size and regulator advice, especially if you’re pushing beyond stock power.
Overall, this pump is a solid choice for anyone wanting a clean, reliable upgrade that eliminates fuel starvation without the hassle of a full system overhaul. It’s a smart, plug-and-play solution that really delivers on performance and ease of installation.
What Is the Best Fuel Pump for C6 Corvette to Enhance Performance?
The best fuel pump for a C6 Corvette enhances performance by providing consistent fuel delivery to the engine. An optimal fuel pump maintains proper pressure and flow to optimize combustion efficiency and overall engine performance.
According to the Automotive Aftermarket Suppliers Association (AASA), a high-performance fuel pump can significantly improve engine responsiveness and power output. High-quality fuel pumps increase fuel atomization, which enhances combustion.
Key aspects of a fuel pump include fuel pressure, flow rate, and compatibility with the engine. A fuel pump designed for performance will deliver an appropriate flow rate, typically measured in gallons per hour (GPH), to match the engine’s demands. The pressure rating, often expressed in pounds per square inch (PSI), ensures adequate fuel delivery without flooding the engine.
Additional sources like the Specialty Equipment Market Association (SEMA) highlight that a fuel pump’s size and specifications depend on the engine’s horsepower and modifications. For example, a supercharged or turbocharged engine may require a more powerful fuel pump.
Factors influencing the choice of fuel pump include engine modifications, desired power levels, and fuel type compatibility. Performance modifications like increased horsepower or forced induction directly impact fuel delivery requirements.
A study from the University of Michigan indicates that upgraded fuel pumps can lead to a 10-15% increase in horsepower in modified vehicles. This statistic emphasizes the importance of selecting an appropriate fuel pump for higher performance.
Upgrading the fuel pump can also positively affect vehicle emissions. Efficient fuel delivery results in more complete combustion, reducing harmful emissions and improving environmental outcomes.
Performance fuel pumps may lead to increased fuel consumption, affecting overall vehicle costs. However, a well-matched fuel pump can enhance engine longevity and reliability, which may offset higher operational costs.
Recommendations for selecting a fuel pump include consulting with automotive experts, considering your specific engine requirements, and choosing reputable brands known for performance.
Strategies to ensure optimal fuel delivery involve regular maintenance checks and using compatible aftermarket fuel systems, as suggested by automotive professionals.
Which Features Are Essential When Choosing a Fuel Pump for a C6 Corvette?
When choosing a fuel pump for a C6 Corvette, essential features include flow rate, pressure compatibility, build quality, and fitment.
- Flow Rate
- Pressure Compatibility
- Build Quality
- Fitment
- Noise Level
- Power Requirements
Considering different perspectives, some may prioritize flow rate and pressure compatibility over noise level, while others may focus on build quality for long-term reliability or fitment for installation ease.
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Flow Rate:
Flow rate refers to the volume of fuel the pump can deliver per hour, typically measured in gallons per hour (GPH). For a C6 Corvette, a suitable pump should provide sufficient flow rate to meet engine demands, especially for modified vehicles. Common flow rates for C6 Corvette pumps range from 255 to 340 GPH. According to a study by Holley Performance Products, a higher flow rate often supports improved horsepower outputs in modified engines. -
Pressure Compatibility:
Pressure compatibility ensures that the pump can maintain the required fuel pressure for the C6 Corvette’s engine system. The stock pressure for a C6 Corvette is generally around 58 psi. It is crucial to select a pump that can deliver consistent, reliable pressure at this level. A mismatched pressure can lead to performance issues or engine failure. An analysis by MSD Ignition highlights the importance of maintaining proper pressure for optimal fuel atomization and combustion efficiency. -
Build Quality:
Build quality encompasses the materials and construction of the fuel pump. High-quality pumps often feature durable components like stainless steel or reinforced plastic housings that withstand heat and corrosion. A study by Automotive News notes that the longevity of a pump directly correlates with its materials and design, suggesting that investing in a well-constructed pump can prevent premature failures. -
Fitment:
Fitment involves the compatibility of the fuel pump with the C6 Corvette’s fuel system. It is essential to ensure that the pump can be easily installed without significant modifications. Compatibility with existing electrical connectors and mounting points should be a priority. According to installation guides from leading aftermarket manufacturers, proper fitment reduces installation time and complexity, thus minimizing associated costs. -
Noise Level:
Noise level refers to how much sound the fuel pump generates during operation. Some high-performance pumps can be louder than stock units. For daily drivers or those who value a quieter cabin experience, selecting a pump with lower noise levels may be essential. Reviews and customer feedback from various automotive forums emphasize the importance of noise reduction in ensuring a comfortable ride. -
Power Requirements:
Power requirements pertain to how much electrical power the fuel pump needs to operate efficiently. It is crucial to choose a pump that matches the electrical system of the C6 Corvette, ensuring adequate voltage and current. An underpowered pump may lead to subpar performance or potential electrical issues. According to the Institute of Automotive Engineers, ensuring proper power allocation helps maintain system stability and reliability.
How Does the Flow Rate Affect the Performance of C6 Corvette Fuel Pumps?
The flow rate significantly affects the performance of C6 Corvette fuel pumps. Fuel pumps deliver gasoline to the engine at a specific rate, measured in gallons per hour (GPH). A higher flow rate ensures that the engine receives adequate fuel under different driving conditions. If the flow rate is too low, the engine may experience fuel starvation. This situation leads to poor performance, such as stalling or reduced power.
Conversely, a flow rate that is too high can create excess pressure in the fuel system. This excess pressure can cause fuel leaks or damage to the injectors. Proper flow rate optimization is crucial for maintaining engine efficiency.
The components involved in this process include the fuel pump, fuel lines, fuel filter, and engine injectors. Each component must work together to maintain an appropriate flow of fuel.
In summary, the flow rate directly affects fuel delivery and engine performance. Optimal flow rates support efficient combustion, while deviations can lead to performance issues.
Why Is Durability Crucial for C6 Corvette Fuel Pump Choices?
Durability is crucial for C6 Corvette fuel pump choices because it directly impacts performance, reliability, and overall vehicle longevity. A durable fuel pump ensures consistent fuel delivery under various driving conditions, preventing engine issues that may arise from pump failure.
According to the Automotive Equipment and Supplies Association (AESA), a durable component is defined as one that maintains its performance over time, thereby providing effective service in harsh conditions. This definition emphasizes the importance of selecting durable parts for high-performance vehicles like the C6 Corvette.
Several underlying reasons contribute to the need for durability in fuel pumps. Firstly, the C6 Corvette often experiences high speeds and powerful acceleration. This puts additional stress on the fuel pump. Secondly, the fuel pump operates in a harsh environment, with exposure to heat, vibration, and contaminants. Each of these factors can wear down a less robust pump more quickly.
The term “fuel pump” refers to a device that moves fuel from the tank to the engine. Fuel pumps can be electric or mechanical. Electric pumps are more commonly used in modern vehicles for their efficiency. When a fuel pump fails, it can cause the engine to starve for fuel, leading to performance issues or even complete failure to start.
Durability in fuel pumps involves several mechanisms. High-quality materials and construction techniques increase resistance to wear and tear. Additionally, features such as built-in filters help prevent debris from clogging the pump, which extends its life. Pumps designed to handle higher pressures also maintain performance under demanding conditions.
Specific conditions that contribute to fuel pump failure include poor fuel quality, which can lead to clogging, and operating the vehicle with a low fuel level, causing the pump to overheat. For example, regularly running on low fuel can lead to pump burnout. Similarly, the use of incompatible fuel types can cause internal damage, making it essential to choose pumps specifically designed for the C6 Corvette.
What Are the Leading Brands of Fuel Pumps Recommended for C6 Corvettes?
The leading brands of fuel pumps recommended for C6 Corvettes include ACDelco, Aeromotive, and Walbro.
- ACDelco
- Aeromotive
- Walbro
The following brands have various attributes and considerations that might influence your choice of fuel pump for a C6 Corvette. Some enthusiasts prioritize certain brands due to reputation, while others may consider specific performance characteristics.
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ACDelco:
ACDelco produces the original equipment manufacturer (OEM) fuel pumps for C6 Corvettes. Their pumps are known for reliability and compatibility with Chevrolet vehicles. According to ACDelco, their pumps are designed to meet strict specifications set by GM. Examples of successful installations can be found on Corvette owners’ forums, highlighting their effectiveness in maintaining proper fuel pressure. -
Aeromotive:
Aeromotive is recognized for high-performance fuel pumps suitable for aftermarket modifications. These pumps are designed for increased fuel flow and support for high-horsepower builds. Aeromotive emphasizes their products’ efficiency, stating that their fuel pumps can significantly boost performance when paired with upgraded engine components. Users frequently report improved throttle response and power delivery after installation. -
Walbro:
Walbro is a well-known brand among car enthusiasts for high-flow fuel pumps. Their products are often used in performance applications as well. Walbro pumps are praised for their durability and ability to deliver consistent fuel pressure during demanding driving conditions. Many users have documented success stories of using Walbro pumps in C6 Corvettes, citing improvements in both fuel delivery and overall engine performance.
How Can Upgrading Your Fuel Pump Improve the Performance of a C6 Corvette?
Upgrading your fuel pump can enhance the performance of a C6 Corvette by improving fuel flow, supporting higher horsepower, increasing reliability, and maintaining optimal engine efficiency.
Improved fuel flow: An upgraded fuel pump can deliver a higher volume of fuel to the engine. This is particularly important for high-performance engines requiring more fuel to match increased air intake. According to an analysis by Tuner School (2022), increased fuel flow leads to better combustion and can enhance engine performance in modified engines.
Higher horsepower support: A more powerful fuel pump can support modifications that increase horsepower, such as a supercharger or turbocharger. These modifications often require more fuel to achieve optimal performance. Studies, like that from Car and Driver (2021), show that engines with adequate fuel supply systems can produce about 10-20% more power when upgraded.
Increased reliability: Factory fuel pumps may struggle under high performance conditions. An upgraded fuel pump can operate reliably under these conditions for extended periods. This reliability helps prevent issues like fuel starvation or pump failure during high-demand driving situations. A report from Motor Trend (2023) highlights that reliability improves with quality aftermarket components.
Maintaining optimal engine efficiency: An upgraded pump ensures a consistent pressure of fuel delivery, which is vital for maintaining the optimal air-fuel ratio. This improves combustion efficiency and reduces the likelihood of issues like knocking or misfiring. A study by the Society of Automotive Engineers (SAE) indicated that maintaining proper fuel pressure correlates with better fuel economy and performance response.
These factors illustrate that upgrading the fuel pump in a C6 Corvette can lead to noticeable improvements in overall vehicle performance and driving experience.
What Common Issues Do C6 Corvette Owners Face with Stock Fuel Pumps?
C6 Corvette owners commonly face several issues with stock fuel pumps that may affect vehicle performance.
- Fuel pump failure due to wear and tear
- Inconsistent fuel delivery leading to engine hesitation
- Fuel pump overheating from extended high-performance use
- Issues with fuel pump wiring and connectors
- Noise from the fuel pump
- Clogged fuel filters impacting fuel flow
The potential challenges with stock fuel pumps in C6 Corvettes can vary based on driving habits, maintenance, and modifications.
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Fuel pump failure due to wear and tear: Fuel pump failure due to wear and tear occurs over time as components degrade from regular use. Pumps can typically last around 100,000 miles, but factors such as fuel quality and operating conditions affect their lifespan. A worn out pump may fail suddenly, leaving the vehicle inoperable.
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Inconsistent fuel delivery leading to engine hesitation: Inconsistent fuel delivery occurs when the fuel pump cannot maintain proper pressure. This situation leads to engine hesitation or stumbling, especially during acceleration. Many Corvette owners report this issue, especially if the vehicle has been modified for increased performance, putting additional strain on the stock pump.
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Fuel pump overheating from extended high-performance use: Fuel pump overheating occurs when pumps operate beyond their designed limits. C6 Corvettes, especially those used on tracks or for racing purposes, push stock pumps to their limits. Overheating can cause premature failure and lead to engine performance issues.
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Issues with fuel pump wiring and connectors: Issues with fuel pump wiring and connectors arise from age or poor connections. Corrosion or loose connections can disrupt the electrical flow to the pump, leading to intermittent operation or complete failure. This is often overlooked, but it is a common source of fuel delivery problems.
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Noise from the fuel pump: Noise from the fuel pump can indicate wear or malfunction. A properly functioning pump operates quietly, while a loud or whining noise can signal impending failure. Many owners express concern when they notice unusual sounds, as they could signify deeper mechanical issues.
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Clogged fuel filters impacting fuel flow: Clogged fuel filters impede fuel flow, which can stress the stock fuel pump. Filters should be changed regularly, but if neglected, they can lead to disastrous fuel system performance issues. Owners often overlook routine maintenance, which may exacerbate pump-related problems.
Understanding these common issues can help C6 Corvette owners maintain their vehicles and make informed decisions regarding upgrades or replacements.
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