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Edelbrock 3527 - page 1
1 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc T ABLE OF CONTENTS Part #3527 and #3528 Introduction.................................................................................................................................................1 Components............ ...
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Edelbrock 3527 - page 2
2 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc PRIMAR Y KIT COMPONENTS ❑ Electronic Control Unit/System ECU ❑ Fuel filter ❑ Calibration Module ❑ Fuel rail assembly ❑ Distributor conversion kit ❑ Fuel pressure regulator ❑ Fuel injectors ❑ High pressure ...
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Edelbrock 3527 - page 3
3 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc TOOLS AND EQUIPMENT Use the following checklist for items needed. ❑ Box and open end wrenches ❑ Socket set ❑ Distributor wrench ❑ Pliers (channel locks and hose clamp) ❑ Screwdrivers (regular and Phillips) ❑ T ...
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Edelbrock 3527 - page 4
4 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc MANIFOLD & CARBURETOR HEIGHT VS . PRO-FLO XT HEIGHT 1. Lay a straightedge (such as a yardstick) across the top of the air cleaner from front to back. 2 . Measure from block and manifold end seal surfaces to straighted ...
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Edelbrock 3527 - page 5
5 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc FUEL REQUIREMENTS Because the Pro-Flo XT system uses an Oxygen sensor, you must use unleaded fuel only. Leaded fuels will damage the O 2 sensor. If you do use leaded fuel in your vehicle, do not install the O 2 sensor and ...
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Edelbrock 3527 - page 6
6 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc FUEL SYSTEM Because your Edelbrock Pro-Flo XT system controls fuel delivery very differently than a carburetor, some conversions to your fuel system are necessary. Pro-Flo XT electronic fuel injection requires high and co ...
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Edelbrock 3527 - page 7
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. Insert a short length of 5/16-inch hard line (available at most radiator shops) into the hole and weld it to the sending unit plate. The hard line should extend through the hole 1 to ...
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Edelbrock 3527 - page 8
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. The hard line should extend through the hole 1 to 2 inch ...
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Edelbrock 3527 - page 9
9 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc NOTE: ALL WELDING AND SOLDERING OF THE FUEL SYSTEM MUST BE PERFORMED BY A PROFESSIONAL RADIA TOR AND/OR FUEL SYSTEM REP AIR SHOP . FUEL SYSTEM INST ALLA TION 1. Drain the fuel tank. 2. Remove all fuel lines from the tank ...
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Edelbrock 3527 - page 10
10 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc INDUCTION SYSTEM The Edelbrock Pro-Flo XT system delivers fuel and air to the engine via the induction system consisting primarily of a manifold, 90mm air valve, fuel rails, and fuel injectors. The induction system is fu ...
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Edelbrock 3527 - page 11
11 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc PRE-INST ALLA TION Before installing the induction system, take the following steps to ensure successful installation and performance 1. Check all components thoroughly for damage. 2. Make sure all throttle linkages open ...
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Edelbrock 3527 - page 12
12 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc GASKET SURF ACE PREP ARA TION 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 ...
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Edelbrock 3527 - page 13
13 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc SENSORS The Edelbrock Pro-Flo XT system interprets overall engine operating conditions and fuel/spark requirements based on readings from sensors that measure specific engine conditions. The Pro-Flo system includes five ...
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Edelbrock 3527 - page 14
14 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc OXYGEN (O 2 ) SENSOR An oxygen sensor, installed on the header collector pipe, measures exhaust gas oxygen content and is used by the ECU to manage fuel delivery under closed loop control. Installing the sensor requires ...
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Edelbrock 3527 - page 15
15 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc O 2 SENSOR INST ALLA TION 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. NOTE: It is recommended that th ...
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Edelbrock 3527 - page 16
16 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc ENGINE HARNESS LA Y OUT ...
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Edelbrock 3527 - page 17
17 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc MAIN SYSTEM HARNESS This diagram illustrates the chassis side of the Pro-Flo XT Main System Harness. ...
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Edelbrock 3527 - page 18
18 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc ...
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Edelbrock 3527 - page 19
19 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc MAIN SYSTEM HARNESS This diagram illustrates the engine side of the Pro-Flo XT Main System Harness. ...
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Edelbrock 3527 - page 20
20 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc ...
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Edelbrock 3527 - page 21
21 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc INST ALLA TION The Pro-Flo XT Main Harness is divided into two pieces, the engine harness and chassis harness. A bulkhead connector is provided as a pass through firewall connector. 1. Inspect the Main System Harness, ma ...
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Edelbrock 3527 - page 22
22 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc ENGINE HARNESS J18: O 2 Sensor J19: Fuel Pump Coil Connectors Ignition Harness J2: Customer Interface O 2 Sensor Select J4: Distributor RT2: +12v Starter Permanent Power J1: Firewall Bulkhead Connector J6: Ignition Coil ...
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Edelbrock 3527 - page 23
23 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc The Coolant Temperature sensor attaches to the harness with Connector J15. The Manifold Absolute Pressure sensor attaches to the harness with Connector J17. The Manifold Air Temperature sensor attaches to the harness wit ...
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Edelbrock 3527 - page 24
24 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc A. The ignition harness is attached to the main harness with the connector, as shown at left below, and at the coil with the ring terminals on the right below. The ground goes to the rear of the cylinder head. Connect th ...
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Edelbrock 3527 - page 25
25 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc IGNITION SYSTEM The photo below shows how the distributor, ignition harness, and Main System Harness are connected. A KEY ON wire (Pink with black stripe) is also included in the Pro-Flo system. This wire connects to a r ...
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Edelbrock 3527 - page 26
26 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc 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 . NOTE: When installing the MSD box, keep the red battery lead, ...
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Edelbrock 3527 - page 27
27 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc CUSTOMER INTERF ACE CONNECTOR A customer interface connector is included in the engine side harness. This connector is optional and also includes a mating cap with wire seals that should be connected at all times to seal ...
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Edelbrock 3527 - page 28
28 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc To connect the ECU to your PC, plug the 34 pin ECU connector into the ECU. The connector will only plug in one way. Connect the DB9 serial connector to your PC either directly or through an extension cable (not included) ...
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Edelbrock 3527 - page 29
29 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc 29 Pro-Flo EFI Installation Instructions SELECTING THE PROPER CALIBRA TION Application Kit Part No. Calibration No. Intake @ .050” S/B Performer 3527 3561 Stock-220° S/B Performer RPM 3527 3560 220°-Greater S/B Perfo ...
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Edelbrock 3527 - page 30
30 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc Priming The Fuel Pump Before the engine is started, the fuel pump must be primed to pressurize the system and purge the fuel line of all air. 1. Turn ignition key to the ON position. You should hear the fuel pump go on. ...
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Edelbrock 3527 - page 31
31 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc Timing Adjustment Use a timing light to re-time your engine. 1. Remove spark plug from Number One cylinder. 2. Remove coil wire from distributor and ground it. 3. THIS STEP REQUIRES TWO PEOPLE OR USE OF A REMOTE STARTER ...
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Edelbrock 3527 - page 32
32 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc Idle Adjustment This procedure is a general recommendation, intended to help you tune up your Pro-Flo ® system. NOTE: In manual transmission cars, this procedure must be followed with the car in Neutral and with the clu ...
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Edelbrock 3527 - page 33
33 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc 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 pres ...
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Edelbrock 3527 - page 34
34 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc PRO-FLO QUICK TUNING GUIDE This guide is based on our simple graph that shows the 24 fuel cells that you can tune in to result in a clean and powerful engine. We recommend when you have your Pro-Flo installed, you have t ...
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Edelbrock 3527 - page 35
35 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc OPTIONAL PC TUNING FEA TURE To use the optional PC tuning feature, connect a DB9 serial extension cable to connector J25 of the main harness. Connect the other end to your PC’s serial port as shown. Double click on the ...
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Edelbrock 3527 - page 36
36 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc CALIBRA TION MODULE DIAGRAM ...
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Edelbrock 3527 - page 37
37 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc P ART NUMBERS Edelbrock Pro-Flo Fuel Injection System ..............................................................................Edelbrock #3527, #3528 ECU power relay/Fuel pump relay ................................. ...
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Edelbrock 3527 - page 38
38 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc ( 1) Manifold Absolute Pressure sensor ( 1) Manifold Air T emperature sensor ( 1) Coolant T emperature sensor ( 1) Oxygen (O 2 ) sensor ( 1) High pressure fuel pump ( 1) Fuel filter ( 1) Fuel pressure regulator ( 8) Fuel ...
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Edelbrock 3527 - page 39
39 Pro-Flo EFI Installation Instructions ©2008 Edelbrock Corporation Brochure No. 63-3527 Catalog #3527, #3528 Rev. 8/08 - AJ/mc 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. Do not attempt to disass ...
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