![]() However, a perfect system that is capable of performing all of the above unassisted does not exist. This includes perfect fuel-to-air ratios, efficient dispersion as well as lowered exhaust emissions for smooth vehicle operation under any temperature. A fuel injection system ideally is expected to be able to precisely calculate the amount of fuel and oxygen under any condition in the engine compartment that is hot and cold. It was only around the late 1970s when the concern for the environment rose and the need for something better than the carburetor became paramount did the fuel Injections really came into play.įuel injection systems are not only used for the introduction of fuel in the engine but ensure a consistent stream of the liquid across all cylinders, preventing irregularities in the distribution of fuel and inconsistent power delivery. Fuel injectors came as a viable option as early as the late 1800s but their complexity rendered them a quixotic venture at the time. Since the very beginning of combustion engines, we have searched for an efficient way of introducing air and fuel into the cylinders to get the maximum mechanical output. Let’s delve a little deeper to understand what fuel injectors do. Single Point Or Throttle Body Injection.Fortunately, Edelbrock offers kits with all the parts you need to upgrade your fuel system for the new EFI system. You will need to upgrade your fuel pump and lines to deliver the fuel the injectors need. When installing an EFI conversion, keep in mind that fuel injectors need higher fuel pressure than carburetors. From there, you can fine tune the settings manually, or let the self learning system do most of the work. The built-in wizard lets you set up a base map in minutes. That means you can monitor your engine and make adjustments when you’re driving your vehicle, or you’re standing in front of the engine bay. The ECU has Bluetooth, so you don’t need to run a cable between it and your smartphone or tablet. You can alter the fuel map and other parameters using Edelbrock’s E-Tuner 4 app for Android. This also lets the system adjust to changes in altitude, so your engine will always run great, even when you’re driving on mountain roads. Using this information, it can adjust fuel and spark to keep a steady air/fuel ratio and prevent knocking. Self learning EFI like Edelbrock’s Pro-Flo 4 gathers data from multiple points, including the MAP sensor and wide band oxygen sensor. When buying an Edelbrock EFI kit, you have a choice of getting it with or without a distributor. Turn cooling fans on and off based on coolant temperature. It’s up to you to decide how it is used:Ĭontrol the amount of fuel sprayed by the injectors based on several factors including rpm, air flow, and exhaust oxygen levels.Ĭontrol the ignition curve using an Edelbrock distributor. The ECU included in each fuel injection kit can handle several engine control systems. This results in lower fuel consumption and more power than competing systems. This placement also improves atomization, helping the fuel burn in the combustion chamber. While fuel delivery using throttle body EFI is uneven, port injection delivers fuel directly to each cylinder, maintaining a steady air fuel mixture across your engine. Since the introduction of the Pro Flo 1 in 1992, these EFI systems have used a multi-port injection system with injectors at the ends of the manifold next to the intake valve. They make pre-built kits with simple wiring and a combination of pre-programmed maps and self learning capabilities, so you don’t have to be a rocket scientist to use one.Įdelbrock was first to market with an EFI system in 1979. With an Edelbrock electronic fuel injection (EFI) system, making the switch to EFI is straightforward. Installing an EFI kit will give your engine better throttle response, more power, better fuel economy, and more tunability. Whether you’re building a modern engine or reviving classic iron, you don’t have to be stuck using a carburetor. ![]()
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