Efi fuel pressure regulators 1728 automobile parts pdf manual download. Air in the fuel system see fuel supply and filter housing section white or blue smoke at idle when cold. Lack of power, engine will not revup, idle vibration. Its important to choose the correct location for your fuel pressure regulator. The fuel pressure adjustment range for the enclosed regulator is 4075 psi. See measuring fuel pressure on pages 214215 for more details. View and download edelbrock efi fuel pressure regulators 1728 installation instructions online. Ford racings fuel injectors are always rated at 39. Gasket r bk 7357298 online from napa auto parts stores. A standard regulator is a small metallic cylinder with a thin vacuum hose connected on top. The ipr valve has been largely unchanged since its introduction in 1994. When the pressure regulator is removed and will be reused, the orings must be tested for fractures.
Do not replace the fuel pump for a dirty or damaged strainer. However, in the cases of high power applications, extra low fuel pressure systems, and highg launches, its best to mount the regulator as. Carbureted regulators professional products has several carbureted regulators. The fprd is compatible with all gasoline and alcohol blends of fuel including e85. The functions of a ngv fuel pressure regulator reduces cng pressure from fuel cylinders. Rhp an hose assemblies will be needed to plumb this regulator as well. Without the fuel pressure regulator, the fuel pump sends more fuel than the injectors can handle causing them to fail. Remove the high pressure regulator from the high pressure pump and check for metal debris. The enclosed regulator will not necessarily seal to hold fuel pressure after the fuel pump stops running. If you have a single carburetor you can use the closest outlet of the fuel pressure regulator to connect to your carburetor, using the same 516 fuel line as the rest of your fuel system.
Installation instructions for 20042006 pontiac gto lpe. A fuel pressure regulator is used to maintain steady fuel supply, even during dramatic changes in fuel demand. The fuel pressure at the injectors of hybrid vehicles, and those that use stopstart engine strategy, must maintain pressure during the engineoff period, or restart will suffer. This little goody is a common culprit in kjet or cis problems, along with pumps, oneway valves, accumulators and fuel distributors. Playing with your k jetronic warm up regulator, or wur.
Oem regulators are typically set at approximately 43 psi, without the vacuum line attached. The 18 npt gauge port for a fuel pressure gauge such as rhp 5001 series will require. The electric fuel pump in this instruction sheet is of the vane rotor type. This lowpressure adjustable fuel regulator is set at the factory for 2. The fuel pressure regulator damper fprd is the ultimate solution for consolidating critical fuel system components into a highflow package. All adjustments of the pressure regulator will be explained in a later portion of the instructions. The fuel tank must have provisions for a fuel return line. Having recently sorted out a problem with mine, and hopefully understanding its. Commonly used in natural gas distribution by gas utilities, a monitor. The 4307m regulator is a return style fuel pressure regulator. Installation of this product must be carried out by persons knowledgeable with correct procedures, for the repair and maintenance of these systems. This diagnostic trouble code dtc is a generic obdii powertrain code. In many cases, you can mount the regulator in a location to satisfy ease of installation, adjustment, and appearance.
Delphi fuel pressure regulators are available in two different designsuniversal pressure and mincartridge pressure. A port connects the regulator to engine vacuum and it is also connected to the fuel return line, which allows fuel to flow back to the tank. Click here to download installation instructions pdf. All pressure control units are available in two different pressure ranges. There will be a correct procedure for relieving fuel pressure before dismantling. Npt gauge port which does requires thread sealant to. The excess fuel and fuel pressure is sent back to the fuel tank through the fuel return line. A fuel pump can be wired as shown in figure 4, but the preferred method is wiring it through a relay, as. To maintain precise fuel metering, the fuel pressure filename. The regulator s flow characteristics are enhanced by the use of the special magnafuel flow shaped fittings. Install the regulator inline between the fass and tank return. It is a fully functional high performance pressure regulator with a unique builtin fuel pulse damper, an industry first.
And to sweeten the deal, we include a chrome mounting bracket and mounting hardware. So you could dial in whatever pressure to the carb that you wanted at an idle, but when you open the throttle and the flow rate through the carb increases, and the restriction in the supply line would cause the pressure on the carb side to decrease. Bosch automotive 280160566 bosch fuel pressure regulators compare fuel pressure regulator, steel, zinc plated, chevy, 5. A slightly higher fuel pressure setting will provide an overall richer nitrous system, reducing engine ping, burnt spark plugs, electrodes, etc. Fuel regulator instructions top street performance. Summit fuel pressure regulators not only look good, but they work for a living. Summit racing fuel pressure regulators sumg3032 free.
This is why it is essential to replace the regulator when you notice there is a problem. The fuel pressure regulator is a very useful tool for finetuning the nos system to your particular vehicle and application. Designed using stateoftheart technology and with customers in mind. Ensure that any spilled gasoline and any gasoline soaked shop towels are cleaned up and removed from the vicinity of the vehicle.
Making sure that the line from the fass is installed into the 12 npt inlet and the return to the tank is attached to the fuel tank. This regulator not only helps minimize the complexity of the burner management system, but also reduces operator interaction during startup. Fuel pressure regulators the needle and seat assemblies that are installed in holley performance carburetors can satisfactorily control fuel pressure up to about 8 psi. Carbureted billet fp regulator, adjustable, bypass w idle, return style.
This unit is compatible with racing gasolines and alcohol fuels. The fuel pressure regulator that nos supplies for use with its nitrous systems is designed to maintain a very accurate fuel supply pressure after it is properly. Mp9940 is for vehicles with more than two fuel rails. Once the fuel pressure gauge registers fuel system pressure and there are no fuel leaks, start the engine and adjust the regulator to the desired fuel pressure. If there is metal found, the entire high pressure fuel system must be checked for metal and replaced as needed. On fuel systems that have lower system supply pressure, the range of regulation will be slightly different. The regulators flow characteristics are enhanced by the use of the special magnafuel flow shaped fittings. If it was just a restrictor, the pump side of the regulator would see increased pressure and the carb side would see reduced pressure.
They accept port style and nonport style union fittings without interference. Mount regulator and make your base line pressure adjustment. And to sweeten the deal, we include a chrome mounting bracket and. Kkmoon fuel pressure regulator kit, gunmetal fuel pressure regulator, adjustable universal for carburetor engine 4. Dear valued customer, made in the usa is not just a slogan at fass. These instructions must be read and fully understood before beginning the installation. Also, you may see an incoming fuel line and a return fuel line connected to it, depending on your particular configuration. A while driving at a steady speed, check actual pressure reading. The regulator is recommended for fuel pumps up to 200 gallons per hour. Applies to most professional products fuel pressure regulators. Itemdetails fuelab 515 series fuel pressure regulators are designed with performance and flexibility in mind. Parts bulletin group number version p237 3 01 fuel pressure regulator models.
Cis kjetronic fuel injection tester with quick couplers. Must respond quickly to changing gas flow must have very predictable output pressure throughout range of flow, temperature and tank pressure. Ordering information fuel pressure regulator mini 5 order number 0 280 b02 72203 fpr adaptor light. Restricting the return line raises fuel pressure, which can degrade engine performance. Edelbrock efi fuel pressure regulators 1728 installation. The fuel injector has two sides, one side of the injector is under pressure from the the fuel rail and the other side is air boosted by a turbo or a compressor. Turning the adjustment screw clockwise will increase fuel pressure. Get deals on automotive parts, truck parts and more.
Bosch automotive fuel pressure regulators free shipping. The fuel return line runs between the fuel bypass port of the regulator and the top of the fuel tank. Low pressure fuel regulator instructions please read these directions carefully. Fuel pressure regulator gas diesel installation manual. The fuel pressure regulatordamper fprd is the ultimate solution for consolidating critical fuel system components into a highflow package. They can be used in return and returnless fuel systems. Fuel pressure regulator find the right part at the right.
So you could dial in whatever pressure to the carb that you wanted at an idle, but when you open the throttle and the flow rate through the carb increases, and the restriction in the supply line would cause the pressure on the carb side. It is considered generic because it applies to all makes and models of vehicles 1996newer, although specific repair steps may vary depending on the model. Jul 06, 2017 if it was just a restrictor, the pump side of the regulator would see increased pressure and the carb side would see reduced pressure. They feature precisely manufactured internal valves, diaphragms and springs for excellent performance under all operating conditions. Lack of power, engine will not revup, idle vibration, engine. Description10an inlets standard seat efi 2590 psid. Fuel pressure regulator mini 5 datasheet bosch motorsport. The ipr is located on the back of the high pressure oil pump, which is located under the fuel filter assembly, down in the v of the engine. Sniper fuel pressure regulators are designed to adjust for fuel pressure requirements of various carburetors. It will meet your needs and deliver great quality at an affordable cost.
Bosch automotive fuel pressure regulators free shipping on. How does the diaphragm move within the fuel pressure regulator. Pressure regulator minimum fire pressure regulator fuel gas source fuel gas header burner gas pressure fired heater monitor monitor setup a monitor setup provides predictable control for certain pressure regulator failure modes without sacrificing pressure control performance. A slightly higher fuel pressure setting will provide an overall richer nitrous system, reducing engine ping, burnt spark plugs. Technical fuel pressure regulators and issues and options. Ford recommends replacing the injection pump, rails, high pressure fuel lines, fuel injectors and fuel return rails if. Failure to follow these instructions may result in poor performance, vehicle damage, personal injury, or death. The pressure control unit is designed for fuel pressure regulation in the range of 3 to 12 psi with system supply at 25 to 30 psi. Best fuel pressure regulator and control parts for cars. Holley 12803bp fuel pressure regulator installation.
Downloads overview of parts numbers and vehicle use pdf, 1. Map actual versus desired rail pressure, if the graph is wavy and there is no air in the system it is usually caused by a bad fuel pressure regulator. This product is made of highquality materials to serve you for years to come. The threads on the inlet side of the fuel pressure regulator are standard 38 pipe, thread. Automotive fuel injection systems utilize fuel pressures as high as 120 psi. The best location for a fuel pressure regulator fuelab.
The fuel pressure regulator maintains fuel pressure within the specified range. Note a dirty or plugged strainer should be replaced. The 2004 to 2006 pontiac gto fuel system uses a method that is referred to as a return side jet to fill the fuel pump canister. A fuel pump can be wired as shown in figure 4, but the preferred method is wiring it through a relay, as shown in figure 5. Simply set the regulator to the required setpoint during. Best sellers in automotive replacement fuel pressure. This means the fuel from the fuel pressure regulator return is being used to create the high velocity jet that fills the pump canister by inducing a high volumelow pressure flow. Fuel pressure regulator the fuel pressure regulator is a diaphragm operated pressure relief valve. Description10an inlets standard seat efi 2590 psid show details 51501 fuel pressure regulator. Inlet from 250 to 3600 psig factory setting ranges from 30 to 175 psig manages gas pressure to engine fuel system. These regulators will hold fuel system pressure for at least 20 minutes after pump shutdown. The regulator is recommended for mallory comp pump 140 series electric fuel pump.
Operation of the pressure regulator with a medium other than gasoline is not allowed. They come in two adjustable options ranging from 1 to 9 psi, and ideal for use with highcapacity fuel pumps. Once the regulator is installed, attach a suitable fuel pressure gauge to the 18 npt port on the fuel pressure regulator 0100psi 1. The fuel injector needs the fuel pressure regulator to provide the perfect ratio of air pressure to fuel. Injection pressure regulator ipr general information. If the fuel pump is putting out more than 8 psi, a regulator should be used to keep the fuel pressure within safe limits and avoid the possibility of flooding.
A readjustment in fuel bowl levels will be required for proper operation of the fuel system. It is mounted to the fuel rail and contains a spring and a diaphragm. Open the hood and locate the fuel pressure regulator on one end of the fuel rail. The highpressure pump is used mainly for high performance applications and comes with a fuel pressure regulator. Actual pressure may excessively exceed desired pressure overshoot or fall far below desired pressure undershoot. Each regulator features a vacuumboost compensating port for a supercharger, turbo or intake manifold vacuum connection. This pressure regulator is not designed for intank mounting. D 0603 general information the 2port regulator is designed to regulate fuel pressure between high pressure fuel pumps and carburetors. Any change made in fuel pressure will change the fuel bowl float level requirements. Vehicle specific gp sorensen fuel pressure regulator 800302. This product is to be installed only by persons knowledgeable in the repair and. Do not operate fuel pump with pressure control unit top removed.
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