Katerina Swanson
Achieving 800 wheel horsepower (whp) requires a robust fuel system, and there are several options to consider. The first decision is between EFI and Carb systems, with the former potentially requiring bigger injectors and upgraded lines. The pump is crucial, and it must be able to keep up with the line size to avoid fuel demand shocks. The pump options include the A1000, Eliminator, Magnafuel 4303, and Walbro 450, with the latter two being popular choices. Dual pump setups are also an option, with the dual Walbro400 pumps being recommended to support 820rwhp on E85 fuel. Injectors are another key component, and 80lb injectors may be too small for 800whp on E85 fuel, so larger options like 1300cc injectors should be considered. The fuel system can be expensive, with some kits costing around $2400, but it is essential to support the desired horsepower level without failure.
| Characteristics | Values |
|---|---|
| Injectors | 1300 cc, 800 cc, 600 cc, 60-65 cc, 80 cc, 105 cc |
| Fuel pump | Walbro 450, MP-4303, A1000, Eliminator, Magnafuel 4303, dual Walbro400, Fore Innovations triple pump kit |
| Fuel type | E85, methanol, pump 93 |
| Other | flex fuel kit, fuel regulator, fuel filter, fuel lines, fuel rails, fuel injectors, fuel tank |
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What You'll Learn
- Injectors: 1300 cc or 105 lb/hr injectors are recommended
- Fuel pump: a high-quality pump is crucial, such as the Aeromotive or Magnafuel 4303
- Fuel type: consider running 93 with a meth kit or using E85 fuel
- Fuel system: a complete kit with lines, filters, injectors, etc. can cost around $2400
- Horsepower: 800 WHP requires a robust system, with some recommending a blower and cam
Injectors: 1300 cc or 105 lb/hr injectors are recommended
Injectors play a crucial role in achieving the desired horsepower, and when aiming for 800 wheel horsepower (whp), it is recommended to opt for 1300 cc or 105 lb/hr injectors. This recommendation is based on the experience of car enthusiasts and the specific requirements of different vehicles.
In a discussion on CorvetteForum, a user mentions that they believe their setup can achieve 800 whp with 1300 cc injectors and a flex fuel kit. This setup seems to be a preferred choice for achieving high horsepower while maintaining a single pump system.
Another user on the same forum mentions that they are running a setup with ID1300 injectors and a DSX flex fuel kit, which they "absolutely love". This setup also includes a Fore Innovations triple pump kit, showcasing the importance of a capable pump to complement the injectors.
Additionally, on LS1TECH, a user mentions that 80 lb injectors should be "good for 800+" wheel horsepower. This statement provides a baseline understanding of the injector size required for achieving 800 whp, indicating that larger injectors, such as the 1300 cc or 105 lb/hr options, would be more than capable of delivering the desired performance.
It is worth noting that the specific requirements may vary depending on the vehicle and other modifications made to the fuel system. Therefore, it is always advisable to consult with experts or mechanics familiar with your specific setup before making any changes.
The FIC 1300 CC (125 LB) high-performance injectors are a popular choice for imports, offering a seamless installation process with their adapter that fits all EV1 injector plugs securely and weather-tightly. This injector option ensures a reliable connection without the need for wire harness modifications, making it a convenient choice for car enthusiasts.
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Fuel pump: a high-quality pump is crucial, such as the Aeromotive or Magnafuel 4303
When it comes to achieving 800whp, a high-quality fuel pump is of paramount importance. The pump serves as the heart of your fuel system, ensuring that fuel is delivered efficiently to meet the demands of your engine. A weak or inferior pump will hinder performance and may even lead to costly failures.
The Aeromotive and Magnafuel 4303 fuel pumps are renowned options in the world of high-performance fuel systems. Both brands offer robust and reliable solutions, but let's delve into the specifics of each:
Aeromotive Fuel Pumps
Aeromotive has established itself as a trusted name in the fuel system arena. Their innovative products are designed to meet the rigorous demands of high-performance vehicles. Aeromotive fuel pumps are known for their durability and performance, often favoured by enthusiasts seeking a robust solution. While they may carry a higher price tag, Aeromotive pumps are engineered to deliver consistent results.
Magnafuel 4303 Fuel Pump
The Magnafuel 4303 is a stalwart in the pursuit of high horsepower. With a flow rate of 750 gallons per hour, this pump ensures that your engine receives the fuel it needs to achieve those ambitious power figures. The Magnafuel 4303 is designed with versatility in mind, offering both vertical and horizontal mounting options to accommodate various engine bay configurations.
Furthermore, the Magnafuel 4303 is constructed with high-quality materials, including CNC-machined, hard-anodized aircraft aluminum, ensuring durability and longevity. Its compact design makes it ideal for tight spaces, and its quiet operation enhances its appeal for street or performance use.
The Magnafuel 4303 is an excellent choice for those seeking a balance of performance and value. Its superior fueling capabilities have earned it a reputation as one of the best pumps available, capable of supporting well over 1000whp.
In summary, when aiming for 800whp, investing in a high-quality fuel pump is imperative. The Aeromotive and Magnafuel 4303 fuel pumps are both exceptional choices, each with its unique advantages. Consider your specific requirements, budget, and the reputation of these brands within the high-performance automotive community.
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Fuel type: consider running 93 with a meth kit or using E85 fuel
If you're looking to hit 800whp, you may want to consider your fuel options. While E85 is a popular choice, it's not available everywhere and may not be the most cost-effective option.
Running 93 with a meth kit is a viable alternative. Methanol injection can compensate for any variation in fuel quality and allows for more timing, resulting in more power. Additionally, the water used in the meth kit provides cooling, and the steam produced once the cylinder fires contributes to a higher octane rating.
However, it's important to note that the effect of methanol injection is not as significant when sprayed on top of 93 pump gas, as you're still left with around 80% regular gas. For a more substantial impact, it's better to run ethanol in the tank and then add methanol on top, which gives you the best of both worlds.
If you're still considering E85, it's essential to be aware of the potential drawbacks. E85 can be corrosive and may damage fuel system components. It also requires compatible fuel injectors and a fuel pump sized to deliver more fuel. Additionally, the ethanol content in gas station E85 may vary, and it may not always be true E85.
Ultimately, the decision between running 93 with a meth kit or using E85 depends on various factors, including availability, cost, and the specific needs of your vehicle.
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$50.21 $45.31
Fuel system: a complete kit with lines, filters, injectors, etc. can cost around $2400
Achieving 800whp requires a robust fuel system, and the cost of such a system can vary depending on various factors, including the type of vehicle, the chosen fuel, and the specific components included in the kit.
A complete fuel system kit typically includes essential components such as lines, filters, injectors, a pump, regulator, rails, and fittings. While it is possible to source these parts individually and even find second-hand deals, it is generally recommended to opt for new parts to ensure reliability and performance.
The pump is a critical component of the fuel system, and it needs to be capable of delivering the required fuel volume and pressure to achieve 800whp. Examples of pumps that can support this power level include the Walbro 450, the Magnafuel 4303, and the Eliminator pump. The choice of pump will influence the cost of the overall fuel system.
Additionally, the type of fuel used will impact the required injectors and pump. For example, E85 fuel, which is ethanol-based, requires approximately 33% more fuel volume compared to traditional pump fuel. This means that larger injectors, such as 1000cc or 1300cc injectors, may be necessary for E85 setups.
Considering the various components and their costs, a comprehensive fuel system kit with lines, filters, injectors, and other necessary parts can cost around $2400. This estimate is based on the assumption that the kit includes high-quality components capable of supporting 800whp.
It's important to note that while achieving 800whp requires a substantial investment in the fuel system, there are ways to save costs. Some individuals opt for used parts or more affordable alternatives, but this may come with reliability and performance trade-offs. Ultimately, the fuel system is critical to the vehicle's performance and safety, so it's essential to carefully consider the specific requirements and budget constraints when making these decisions.
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Horsepower: 800 WHP requires a robust system, with some recommending a blower and cam
Achieving 800 wheel horsepower (WHP) requires a robust system, with some recommending a blower and cam. The setup will depend on the type of vehicle and fuel system, but there are some key components that are typically required to reach this level of performance.
Firstly, a powerful fuel pump is crucial. The pump needs to be able to keep up with the fuel demand and supply enough fuel to the engine. It is recommended to invest in a high-quality pump, as a cheaper option may not be able to handle the required fuel flow and could fail. Some recommended pumps include the Magnafuel 4303, the Eliminator pump, and the Walbro 450.
Secondly, upgrading the fuel injectors is essential. The injectors need to be able to handle the increased fuel flow and deliver it efficiently to the engine. Sizes ranging from 60lb to 1300cc injectors have been recommended for 800WHP setups, with some suggesting that 80lb injectors might be the minimum required.
Thirdly, a sump and return system are often necessary to handle the fuel flow and prevent issues such as cavitation and running the lines dry. This includes a sumped tank, external pumps, lines, and a regulator. Some opt for a returnless style system, but a return style is generally recommended for 800WHP setups to handle the increased fuel flow and reduce issues with tuning and fuel spikes.
Additionally, a flex fuel kit, such as the DMS flex fuel kit, can be beneficial when using ethanol-based fuels like E85. It is also recommended to consider the fuel lines and rails, ensuring they are compatible with the chosen fuel type and can handle the required fuel flow.
While achieving 800WHP can be a complex and costly endeavour, with the right combination of components and careful consideration of the fuel system, it is achievable. It is always recommended to seek advice from professionals and those with experience in building such systems to ensure safety and optimal performance.
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Frequently asked questions
Some fuel system options for 800whp include the Stage 1 ECS e85 system, the Fore Innovations triple pump kit with ID1300s and a DSX flex fuel kit, and the Grand Sport with an ECS 1500 kit.
Fuel pump options for 700-800 whp include the Walbro 450 pump, the MP-4303, and the dual Walbro400 pumps.
Fuel injector options for 700-800 whp include the ID1300 injectors, the 105lb/hr injectors, and the 80lb injectors.
