Katerina Swanson
Fuel injectors are an essential component of a car's engine, and finding the right ones for your Mustang can be a challenge. This article will explore the process of installing GT500 fuel injectors into a GT Mustang, covering topics such as compatibility, installation steps, and potential challenges. We will also discuss the benefits and performance enhancements that can be achieved by upgrading to GT500 fuel injectors. Whether you're a car enthusiast looking to improve your Mustang's performance or simply seeking to restore its original vibrancy, this guide will provide valuable insights into making GT500 fuel injectors fit and function optimally in your GT Mustang.
| Characteristics | Values |
|---|---|
| Fuel Injector Set | 52 lb. M-9593-MU52 |
| Vehicle Compatibility | 2013-2014 Mustang GT500 |
| Injector Body | EV14 |
| Electrical Connector | USCAR standard (Bosch EV6) |
| Injector Type | High-impedance |
| Injector Flow Rate | 52#@39psi |
| Injector Length | Longer than stock |
| Installation Difficulty | Light to Moderate mechanical skill required |
| Installation Time | 1.5 hours |
| Installation Requirements | Engine recalibration, injector spacers, custom tune |
| Fuel Type | Gas |
| Safety Considerations | Flammable, no open flames or sparks, wear safety glasses |
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What You'll Learn
Installation of GT500 fuel injectors in a GT Mustang
This installation guide will cover the process of installing GT500 fuel injectors in a GT Mustang. The process is similar for Mustang GTs from 1999 to 2017, and will require a custom tune following the installation. The installation is simple and should take around 1.5 hours.
Safety Precautions
As gas is highly flammable, ensure there are no open flames or light bulbs near the work area, and do not smoke. Always wear safety glasses and clean up any fuel spills immediately.
Step 1: Disconnect the Electrical Connectors
Depress the release tab and pull off the electrical connectors from all eight fuel injectors. These need to be removed from both sides of the vehicle.
Step 2: Remove Fuel Rail Mounting Bolts
Using a short ratchet extension and an 8mm deep socket, remove the four fuel rail mounting bolts (two on each side). These are located under the clips on the top of the fuel rail.
Step 3: Remove Fuel Rails and Injectors
Remove the fuel rails and injectors as a single assembly. Have rags ready to absorb any residual fuel that comes out of the injectors and fuel rails.
Step 4: Coat O-Rings with Engine Oil
Coat each of the two O-rings on each new injector with a small amount of clean engine oil.
Step 5: Install New Injectors
Install each new injector into each fuel rail, then replace the retaining clip into each injector.
Step 6: Reinstall Fuel Rails and Connectors
Reinstall the fuel rails and connectors. Ensure that everything is properly secured before moving on.
Step 7: Flash the PCM with a New Tune
Once everything is back in place, flash the PCM with a new tune. Do not start the engine until this step is complete.
Step 8: Start the Engine and Check for Leaks
Turn the key until the fuel system reaches operating pressure. Start the engine and check for any fuel leaks for at least a few minutes.
Step 9: Test Drive and Final Checks
Drive the car for about 30 minutes and then check again for leaks. Tighten anything that may need it.
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GT500 injector length
The GT500 injector length is a topic that has been discussed on Mustang forums, with some users seeking to establish whether there is a difference in length between the 2007-12 GT500 injectors and the newer models. Some users have claimed that the 2007-12 GT500 injectors are slightly longer than the EV14's, which are the standard injectors for the 2013-14 GT500 models. This length difference can impact the spacer size for the fuel rails, with one user stating that they had to machine some parts at the last minute due to this discrepancy.
However, other users have claimed that the length difference is minimal, with one user stating that it is only a 4mm difference. This user also noted that they were able to use the 2007-12 GT500 injectors in various other cars with zero issues, even with the slight length difference.
The 2013-14 GT500 injectors, also known as the M-9593-MU52 injectors, are Bosch MU52 injectors, which are a different length from the stock injectors for the 2015 GT Mustang. These injectors flow 52#@39psi and can be used on a coyote with injector spacers.
It is important to note that when replacing fuel injectors, one must take into account the potential for fuel leaks and take the necessary precautions. The process of replacing fuel injectors involves disconnecting the electrical connectors, removing the fuel rail mounting bolts, and removing the fuel rails and injectors as a single assembly. It is recommended to have rags ready to absorb any residual fuel that may spill.
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GT500 injector spacers
The 52lb Fuel Injector Set from Ford Performance is designed to fit the 2013-2014 GT500 and can be used to restore the original performance of your Mustang GT or GT500. This is an easy swap for your Mustang, but will require engine recalibration for earlier models.
The 52lb injector is a great option for Coyote owners looking to make up to 600rwhp. However, a spacer is needed for fitment. These spacers are precision-machined out of aluminum and hard anodized to a black finish. O-rings are included with the spacers.
If you are installing fuel injectors, it is important to take safety precautions as gasoline is extremely flammable. Do not smoke or allow any open flames or bare light bulbs near the work area, and do not work in a garage with a gas-type appliance. Always wear safety glasses and clean up any fuel spills immediately.
- Disconnect the electrical connectors from all eight fuel injectors by depressing the release tab and pulling each connector off.
- Remove all four fuel rail mounting bolts (two on each side) with a short ratchet extension and an 8mm deep socket.
- Remove the fuel rails and injectors as a single assembly. Have rags ready to absorb the residual fuel that runs out of the injectors and fuel rails.
- Coat each of the two O-rings on each new injector with a small amount of clean engine oil.
- Install each injector into each fuel rail.
- Replace the retaining clip into each injector after it is installed in the fuel rail.
- Reinstall everything else back into the vehicle in the opposite order of removal.
- Flash the PCM with a new tune. Do not start the engine until you load the tune.
- Turn the key until the fuel system reaches operating pressure. Correct any leaks prior to starting the engine.
- Start the engine and check for any fuel leaks for at least a few minutes while the engine is running.
- Drive the car for about thirty minutes and check again for leaks. Tighten anything if necessary.
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GT500 fuel injector calibration
The 52lb Fuel Injector Set from Ford Performance is designed for the 2013-2014 GT500 and features the EV14 injector body and a USCAR standard electrical connector. This set of injectors is a straightforward swap for the GT or GT500 Mustang, but earlier models will require engine recalibration. For the 2013-2014 GT500, the injectors can be directly swapped out.
The installation process for the Ford Performance EV6 High Flow Fuel Injectors is relatively simple and should take around 1.5 hours for the average DIYer. Before beginning, it is important to prioritise safety as gasoline is highly flammable. Ensure there are no open flames, bare light bulbs, or gas-powered appliances nearby. Always wear safety glasses and clean up any fuel spills immediately.
To install the injectors, start by disconnecting the electrical connectors from all eight fuel injectors by depressing the release tab and pulling each connector off. Next, remove the four fuel rail mounting bolts (two on each side) using a short ratchet extension and an 8mm deep socket. These are located under the clips that were removed. Once the bolts are removed, take out the fuel rails and injectors as a single assembly. Have rags ready to absorb any residual fuel that may leak out.
Coat each of the two O-rings on each new injector with a small amount of clean engine oil before installing them into the fuel rail. Reinstall the retaining clip into each injector after it is securely placed in the fuel rail. Repeat this process for all eight injectors.
After installing the injectors, the remaining steps are the reverse of the removal process. Once everything is reassembled, flash the PCM with a new tune and do not start the engine until this step is complete. Turn the key until the fuel system reaches operating pressure and correct any leaks before starting the engine. Once the engine is running, check for fuel leaks for at least a few minutes. Finally, drive the car for about 30 minutes and check again for leaks, tightening anything if necessary.
When upgrading to larger injectors, such as the 52lb injectors, it is important to adjust the fuel pressure accordingly. Lowering the fuel pressure back down to 39psi will reduce the duty cycle for the pumps to 90-95%, providing a sufficient margin for safe operation. This adjustment can be made by raising the fuel rail pressure in the calibration settings.
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GT500 fuel injector safety
When installing GT500 fuel injectors, there are several safety precautions that must be followed to ensure a safe and successful procedure. Firstly, it is important to work in a well-ventilated area away from any open flames or heat sources, as gasoline is highly flammable. Ensure that there are no sources of ignition nearby, such as lit cigarettes or sparks from electrical equipment. Always wear safety gear, including safety glasses, to protect your eyes from any fuel spills or debris.
Before beginning the installation, it is crucial to disconnect the battery to prevent any accidental electrical discharges. When working with the fuel system, have rags or absorbent materials ready to catch any residual fuel that may spill from the injectors and fuel rails. This will help to avoid any accidental fires or fuel contamination.
During the installation process, pay close attention to the condition of the O-rings and seals. If they show any signs of damage or wear, replace them with new ones to ensure a proper seal and prevent fuel leaks. After installing the new injectors, be sure to tighten all connections securely to avoid fuel leaks.
Once the installation is complete, it is essential to test the vehicle for any fuel leaks before starting the engine. Turn the key to the "On" position to pressurize the fuel system, and inspect for any signs of leaks. Only start the engine once you are confident that there are no fuel leaks present. After starting the engine, continue to monitor for leaks for at least a few minutes. Finally, drive the vehicle for approximately 30 minutes and re-inspect for leaks, tightening any connections as necessary.
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