Table of Contents
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Introduction....................................................................................................................1
Components...................................................................................................................2
Preliminaries ..............................................................................................................3-5
Fuel System ...............................................................................................................6-9
Induction System....................................................................................................10-12
Sensors ..................................................................................................................13-15
Sensor Installation...................................................................................................15
2
Main System Harness .............................................................................................16-21
Ignition System.......................................................................................................22-23
Other Applications....................................................................................................... 24
System Start-Up .................................................................................................... 24-27
Electronic Engine Management ....................................................................................28
Pro-Flo Quick Tuning Guide ..........................................................................................29
Calibration Module Flowchart .......................................................................................30
Parts and Part Numbers..........................................................................................31-32
Service & Warranty ..................................................................................................... 33
Thank you for selecting the Edelbrock Pro-Flo Fuel Injection System. These Multi-Point Fuel Injection Systems have been designed
for 1967-1969 290-390 cid (#3530), and 1970-1991 304-401cid (#3531) AMC V8 engines, and are designed to provide excellent
performance, fuel economy, and maintenance-free operation. Installation of the Edelbrock/ Pro-Flo Fuel Injection System involves
modifications to the fuel system, ignition system, induction system, and possibly the valve train. Although there are steps that must
take place before others, the modifications do not necessarily have to be performed in a particular order. Each modification is
described in a separate section in this manual. Please study these instructions carefully before beginning installation of any part of
the Pro-Flo system.
Calibration Chips:
Important Notice: The Edelbrock Pro-Flo Fuel Injection System is shipped without the computer chip. The chip is
necessary to operate the ECU. If the cam is any brand other than Edelbrock, check with manufacturer for compatibility with EFI.
Complete the Chip Information Card and return to Edelbrock. We will send the computer chip within the continental U.S., free of
charge via UPS second day air. Orders outside of the continental U.S. will be shipped via the best method at the same costs as
continental UPS second day air. If requested, customers may pay for expedited shipping by providing a current Visa or Master Card.
The chip installs into the System Computer in minutes. Additional chips are available for a nominal charge if you decide to change
your cam. Edelbrock has chips for assorted cam profiles.
If you have any questions, do not hesitate to call our
EFI Technical Hotline at (800) 416-8628, 7am-5pm PST, Monday-Friday
©2005 Edelbrock Corporation
Rev. 2/05
®
TABLE OF CONTENTS
Part #3530 and #3531
INTRODUCTION
E-mail: EFItech@edelbrock.com
1
Pro-Flo EFI Installation Instructions
Brochure #63-0273
Catalog #3530 & #3531
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Related Manuals for Edelbrock 3530
Summary of Contents for Edelbrock 3530
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Page 1: Table Of Contents
Important Notice: The Edelbrock Pro-Flo Fuel Injection System is shipped without the computer chip. The chip is necessary to operate the ECU. If the cam is any brand other than Edelbrock, check with manufacturer for compatibility with EFI. Complete the Chip Information Card and return to Edelbrock. We will send the computer chip within the continental U.S., free of charge via UPS second day air. -
Page 2: Components
OEM pieces. In the event that one of these parts needs to be replaced, you are likely to find a replacement at your local parts supplier, in addition to your local Edelbrock dealer or directly from Edelbrock. For a list of part numbers, refer to the PART NUMBERS section at the back of this manual. -
Page 3: Preliminaries
2. Examine the Pro-Flo system for possible shipping damage. If damaged, contact your dealer immediately. 3. The 3530 & 3531 kits are designed for use with a standard AMC V8 firing order. 4. Check all threaded manifold holes. - Page 4 O EMISSION CONTROLS The Edelbrock Pro-Flo system will not accept stock emissions control systems. Check local laws for requirements before installing the Pro-Flo system. Not legal on pollution-controlled motor vehicles.
- Page 5 Pro-Flo system has been installed. Incorrect shift points can result in transmission damage. ENGINE CLEANING Edelbrock recommends that the Pro-Flo system be installed on a clean engine in order to prevent dirt from falling into the engine lifter valley or intake ports.
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Page 6: Fuel System
Because your Edelbrock Pro-Flo system controls fuel delivery very differently than a carburetor, some conversions to your fuel system are necessary. Pro-Flo electronic fuel injection requires high and constant fuel volume and fuel pressure. For this reason, a good primary fuel line is critical. The Pro-Flo system includes a 3/8-inch high pressure fuel line which must be used as the primary fuel line. - Page 7 NOTE: Whichever method you use to install the return fuel line, be careful to keep the end of the line away from the fuel pickup, as shown. Otherwise, aerated return fuel can be drawn into the pickup. Pro-Flo EFI Installation Instructions Brochure #63-0273 Catalog #3530 & #3531...
- Page 8 Bend the end of the return line away from the sock on the end of the fuel pickup line. Solder or weld the return hard line to the fuel pickup line. HARDLINE METHOD Brochure #63-0273 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Catalog #3530 & #3531 Rev. 2/05...
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Page 9: Fuel System
You should hear the pump run for approximately 2 seconds each time. Check the entire fuel system for leaks. Refer to the SYSTEM START-UP section of this manual for details. ©2005 Edelbrock Corporation Rev. 2/05 Pro-Flo EFI Installation Instructions Brochure #63-0273 Catalog #3530 & #3531... -
Page 10: 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. The induction system is fully assembled, tested, seal checked, and flowed at the factory and is as easy to install as a manifold. - Page 11 Damage to threads or a cracked mounting boss may result unless caution is used when installing accessories. Use high quality pipe thread sealant on all threads. Install fittings from your stock manifold. ©2005 Edelbrock Corporation Rev. 2/05 Pro-Flo EFI Installation Instructions Brochure #63-0273 Catalog #3530 & #3531...
- Page 12 5. Carefully place the pan gasket on head surface, aligning ports and bolt holes. 6. Edelbrock recommends the use of Loctite 598 OEM High Temperature Silicone Gasket instead of end seal gaskets. Apply a 1/4-inch thick bead of sealant across each end seal surface, overlapping the intake gasket at the four corners.
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Page 13: 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. The Pro-Flo system includes five sensors: 1) Manifold Absolute Pressure 2) Manifold Air Temperature 3) Coolant Temperature 4) Throttle Position... - Page 14 This sensor requires adjustment as described in the SYSTEM START-UP section of this manual. It is connected to the Main System Harness. sensor. The O sensor is Pro-Flo EFI Installation Instructions Brochure #63-0273 Catalog #3530 & #3531...
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Page 15: O 2 Sensor Installation
SENSOR INSTALLATION sensor installation be performed by a professional muffler shop. sensor will be mounted horizontally and within reach of the harness connector. Check SENSOR HAS BEEN INSTALLED. Pro-Flo EFI Installation Instructions sensor. sensor mount. Catalog #3530 & #3531 Brochure #63-0273... -
Page 16: Main System Harness
If the ECU is the brain of the Edelbrock Pro-Flo system, the Main System Harness is the central nervous system. The harness is constructed with SAE grade wires and the most up-to-date Weatherpak connectors. This diagram illustrates the entire Pro-Flo Main System Harness. - Page 17 ©2005 Edelbrock Corporation Pro-Flo EFI Installation Instructions Brochure #63-0273 Rev. 2/05 Catalog #3530 & #3531...
- Page 18 There is only one possible installation combination; it cannot be installed incorrectly. ©2005 Edelbrock Corporation Rev. 2/05 The Throttle Position sensor attaches to the main harness . Pro-Flo EFI Installation Instructions Brochure #63-0273 Catalog #3530 & #3531...
- Page 19 The Coolant Temperature sensor attaches to the main harness. Only the fuel injector connectors are identical, but they are placed in logical sequence. Refer to the diagram when installing the harness connectors to the fuel injectors. Pro-Flo EFI Installation Instructions Brochure #63-0273 Catalog #3530 & #3531...
- Page 20 The IAC is attached to the main wiring harness. ATTACHES TO OEM START/RUN POWER (OEM POSITIVE “+” COIL WIRE) TO COIL TO COIL Pro-Flo EFI Installation Instructions REFER TO VEHICLE REPAIR MANUAL TO MAIN HARNESS TO MAIN HARNESS TO MAIN HARNESS Brochure #63-0273 Catalog #3530 & #3531...
- Page 21 The two connectors on the right connect to the positive (+) and negative (-) terminals on the fuel pump. A sleeve and tie-wrap are provided to fit over the positive terminal once the connector is installed. This sleeve prevents the clamp from shorting the fuel pump terminals. ©2005 Edelbrock Corporation Pro-Flo EFI Installation Instructions Brochure #63-0273 Rev. 2/05 Catalog #3530 & #3531...
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Page 22: Ignition System
IGNITION AMPLIFIER The Pro-Flo system uses the Edelbrock #3518 Ignition Amplifier, which must be mounted on a flat surface in the engine compartment away from exhaust headers or other areas that generate heat. The wheel well panel and firewall are ideal locations. - Page 23 Rev. 2/05 Push here to remove slack When installing distributor, align rotor with the position on the distributor cap being used for cylinder #1 Pro-Flo EFI Installation Instructions Grasp Housing OEM Drive Gear Push Brochure #63-0273 Catalog #3530 & #3531...
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Page 24: Other Applications
The Pro-Flo system has been designed and calibrated using a 304 AMC V8 engine with an Edelbrock Performer-Plus camshaft and tubular headers as a baseline. A calibration is also available for the 401 AMC V8 using Edelbrock AMC cylinder heads and a Performer RPM camshaft. - Page 25 ©2005 Edelbrock Corporation Rev. 2/05 Check the entire fuel system for leaks, from RPM: 0 FUEL: 0.0 mS VAC: 0.0” Hg SPK: 10° TH2O: 76°F TPS: 13° TAIR: 77°F Volt: 12.0 Pro-Flo EFI Installation Instructions Brochure #63-0273 Catalog #3530 & #3531...
- Page 26 = S C R O L L E N T E R Pro-Flo EFI Installation Instructions Base Tim'g set: OFF EXIT = S C R O L L E N T E R ® system. Brochure #63-0273 Catalog #3530 & #3531...
- Page 27 • The Idle Speed Activity Modifier biases the Idle Activity duty cycle, +/50%, this has the effect of changing RPM control loop response time. • We recommend that this value be set to zero modification except in extreme cases. ©2005 Edelbrock Corporation Rev. 2/05 Pro-Flo EFI Installation Instructions Brochure #63-0273 Catalog #3530 & #3531...
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Page 28: 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). The Electronic Control Unit (ECU) receives signals regarding engine speed (from the distributor), and the three load factors consisting of coolant temperature (ECT), Manifold Absolute Pressure (MAP) and air temperature (MAT). -
Page 29: Pro-Flo Quick Tuning Guide
ENGINE RPM 1000 2000 3000 4000 5000 Problem Area LEAN Pro-Flo EFI Installation Instructions 7000 In this example, tune by adding 10% fuel at each area marked by an “X”, surrounding the problem area. Brochure #63-0273 Catalog #3530 & #3531... -
Page 30: Calibration Module Flowchart
SPRK @ ____ 6000: ± 0 EXIT = scroll ENTER RESTORE RESTORE: baseA/B/C EXIT = scroll ENTER Restore In progress… EXIT Data set #A RESTORED Press EXIT EXIT (Return to main menu) ˚ ˚ ˚ ˚ ˚ ˚ Brochure #63-0273 Catalog #3530 & #3531... -
Page 31: Parts And Part Numbers
Fuel Filter ......A/C DELCO GF-482 ..Edelbrock #3596 Fuel Pressure Regulator ..... .GM 17107010 ..Edelbrock #3584 Fuel Injectors (one) . - Page 32 1/4”-20 X 1/2” Hex Head Cap Screw 1/4” -20 X 1.25” Long Hex Head Cap Screw” Fuel Regulator Nut 1/4” ID. SAE Flat Washer 1/4” ID. Split Lock Washer 5/16” Hex Nut 5/16 X 1-3/8” Carb Studs Catalog #3530 & #3531 Brochure #63-0273...
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Page 33: Service & Warranty
Pro-Flo system yourself. Doing so may void the warranty. It is the constant endeavor of the Edelbrock Corp. to provide our customers with the highest quality performance products. Edelbrock warrants the Edelbrock Pro-Flo System to be free from defects in...