Instruction/ maintenance manual of the product 3551 Edelbrock
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1 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 INTRODUCTION Thank you for selecting the Edelbrock Pro-Flo Fuel Injection System. This Multi-Point Fuel Injection System has been designed for 454 c.i.
2 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 COMPONENTS ❑ Electronic Control Unit/System ECU ❑ Fuel filter ❑ Calibration Module ❑ Fuel r.
3 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 TOOLS AND EQUIPMENT Use the following checklist for items needed.
4 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 MANIFOLD & CARBURETOR HEIGHT VS. PRO-FLO HEIGHT 1. Remove air cleaner. 2. Lay a straightedge (such as a yardstick) across the top of the carburetor from front to back.
5 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 FUEL REQUIREMENTS Because the Pro-Flo system uses an Oxygen sensor, you must use unleaded fuel only.
6 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 FUEL SYSTEM Because your Edelbrock Pro-Flo system controls fuel delivery very differently than a carburetor, some conversions to your fuel system are necessary.
7 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 RUBBER RETURN LINE METHOD Drill a 5/16-inch hole in the sending unit plate adjacent to where the main line enters the tank. This will be the hole for your return line.
HARD RETURN LINE METHOD Drill a 5/16-inch hole in the sending unit plate adjacent to where the main line, enters the tank. This will be the hole for your return line. Insert a length of 5/16-inch hard line (available at most radiator shops) into the hole and weld it to the sending unit plate.
9 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 NOTE: ALL WELDING AND SOLDERING OF THE FUEL SYSTEM MUST BE PERFORMED BY A PROFESSIONAL RADIATOR AND/OR FUEL SYSTEM REPAIR SHOP. FUEL SYSTEM INSTALLATION 1.
10 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 INDUCTION SYSTEM The Edelbrock Pro-Flo system delivers fuel and air to the engine via the induction system consisting primarily of a manifold, 4-barrel air valve, fuel rails, and fuel injectors.
11 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 PRE-INSTALLATION Before installing the induction system, take the following steps to ensure successful installation and performance 1. Check all components thoroughly for damage.
12 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 GASKET SURFACE PREPARATION CAUTION: Replace all gaskets as recommended. Do not use race-type non-embossed gaskets for street applications. Due to material deterioration under street driving conditions, internal vacuum and oil leaks may occur.
13 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 SENSORS The Edelbrock Pro-Flo system interprets overall engine operating conditions and fuel/spark requirements based on readings from sensors that measure specific engine conditions.
14 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 COOLANT TEMPERATURE SENSOR The Coolant Temperature Sensor is a thermistor device like the Manifold Air Temperature sensor. Resistance varies as coolant temperature rises and lowers.
15 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 The exhaust gas oxygen content is determined by the oxygen sensor. The sensor signals the ECU, which compensates when the air/fuel mixture is either rich or lean.
16 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 MAIN SYSTEM HARNESS If the ECU is the brain of the Edelbrock Pro-Flo system, the Main System Harness is the central nervous system.
17 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 CONNECTORS The “J” coding is for illustration purpose only.
18 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 The Coolant Temperature sensor attaches to the harness with Connector J10. The Manifold Absolute Pressure sensor attaches to the harness with Connector J9.
19 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 A. This 5-inch IAC wiring harness is attached between the Idle Air Control, mounted on the air valve, and Connector J3 on the Main System Harness. B.
20 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 The diagram below illustrates how the ignition amplifier, distributor, ignition amplifier wiring harness, and Main System Harness are connected. A KEY ON wire (Pink with black stripe) is also included in the Pro-Flo system.
21 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 IGNITION SYSTEM A new distributor is not required with the Edelbrock Pro-Flo system.
22 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 7. Remove all internal components from the distributor housing, including the vacuum advance diaphragm. 8. Install the electronic Hall effect sensor and sensor plate, using the fasteners provided.
23 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 12. When the drive gear is installed, the shutter wheel teeth must be deep enough into the Hall effect sensor to allow them to completely pass through the sensor at the proper depth, but not so deep as to make contact with the sensor.
24 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 DISTRIBUTOR TESTING Before re-installing the distributor, test to ensure that the conversion has been performed correctly. 1. Install the ECU and wiring harness and make all connections except the distributor.
25 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 ADDING AFTERMARKET IGNITION If you are wishing to use a MSD 6AL or MSD 6-Digital ignition with your Pro-Flo fuel injection, follow the wiring diagram below.
26 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 OTHER APPLICATIONS The Pro-Flo system has been designed and calibrated specifically using the Chevrolet 454 c.i.d. Big-block with large-valve style cylinder heads (such as Edelbrock’s Performer RPM Street Cylinder Heads with 2.
27 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 Testing The Sensors Before starting the engine, test all sensors. 1. Turn the key to the ON position with the Calibration Module connected. The display will read: NOTE: A vacuum reading of other than 0.
28 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 Setting Base Spark Advance After the camshaft has been broken in, the base timing of the engine should be re-set. Use a timing light and the Pro-Flo Calibration Module to accurately set timing.
29 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 Idle Calibration Procedure • Prior to idle calibration, you need to have completed the "System Start-Up" procedure • Warm up engine to at least 175°F.
30 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 Electronic Engine Management The Edelbrock Pro-Flo system uses the Speed-Density method of electronic engine management, in which fuel and spark requirements are based on engine speed (RPM) and engine load (manifold pressure and temperature).
31 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 PRO-FLO QUICK TUNING GUIDE These are basic instructions to help in understanding the tuning of your Pro-Flo fuel injection system. For detailed technical information on tuning your Pro-Flo, see the Pro-Flo Owner’s Manual.
32 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05.
33 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 PART NUMBERS Edelbrock Pro-Flo Fuel Injection System .......................................................................................... Edelbrock #3500 Ignition Amplifier .
34 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 ( 1) Hall effect sensor ( 1) Ignition Amplifier ( 1) Manifold Absolute Pressure sensor ( 1) Manifo.
35 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Brochure No. 63-0115 Rev. 10/05 SERVICE In the event that your Edelbrock Pro-Flo System should need servicing, return the unit pre-paid to the Edelbrock Service and Repair facility at 2700 California Street, Torrance, CA 90503.
An important point after buying a device Edelbrock 3551 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Edelbrock 3551 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Edelbrock 3551 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Edelbrock 3551 you will learn all the available features of the product, as well as information on its operation. The information that you get Edelbrock 3551 will certainly help you make a decision on the purchase.
If you already are a holder of Edelbrock 3551, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Edelbrock 3551.
However, one of the most important roles played by the user manual is to help in solving problems with Edelbrock 3551. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Edelbrock 3551 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
