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Edelbrock 3531 manual

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Table of contents for the manual

  • Page 1

    ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 ® INTRODUCTION 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 [...]

  • Page 2

    2 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 COMPONENTS ❑ Electronic Control Unit/System ECU ❑ Calibration Module ❑ Distributor ❑ Ignition Amplifier ❑ ECU Power Relay/Fuel Pump Relay ❑ Manifold Absolute Pressure (MAP) Sensor ❑ Manifold Air T empera ture (MA [...]

  • Page 3

    3 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 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 orque[...]

  • Page 4

    4 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 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. 3. Measure from block and manifold end seal surfaces[...]

  • Page 5

    5 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 AUTOMA TIC TRANSMISSION CHECK For best performance, economy , and emissions, the shift point must be checked before and after the manifold change. NOTE: This check should be performed ONL Y at a sanctioned drag strip or test tr[...]

  • Page 6

    6 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 FUEL SYSTEM Because your Edelbrock Pro-Flo system controls fuel delivery ver y differently than a carburetor , some conversions to your fuel system are necessary . Pro-Flo electronic fuel injection requires high and constant fu[...]

  • Page 7

    7 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 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 [...]

  • 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 radia tor shops) into the hole and weld it to the sending unit plate. The hard line should extend through the hole 1 to 2 inc[...]

  • Page 9

    9 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 NOTE: ALL WELDING AND SOLDERING OF THE FUEL SYSTEM MUST BE PERFORMED BY A PROFESSIONAL RADIA TOR OR FUEL SYSTEM REP AIR SHOP . FUEL SYSTEM INST ALLA TION 1. Drain the fuel tank. 2. Remove all fuel lines from the tank and from t[...]

  • Page 10

    10 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 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 a[...]

  • Page 11

    11 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 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 enti[...]

  • Page 12

    12 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 GASKET SURF ACE PREP ARA TION CAUTION: Replace all gaskets as recommended. W e recommend using an OEM style metal pan intake gasket ONL Y . F ailure to use a valley pan will result in excessive oil consumption and improper man[...]

  • Page 13

    13 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 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: [...]

  • Page 14

    14 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 COOLANT TEMPERA TURE SENSOR The Coolant T empera ture Sensor is a thermistor device like the Manifold Air T empera ture sensor . Resistance varies as coolant temperature rises and lowers. The Coolant T emperature Sensor is loc[...]

  • Page 15

    15 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 O 2 SENSOR INST ALLA TION The exhaust gas oxygen content is determined by the oxygen sensor . The sensor signals the ECU, which compensa tes when the air/fuel mixture is either rich or lean. NOTE: It is recommended that the O [...]

  • Page 16

    16 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 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.[...]

  • Page 17

    17 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 Ignition Amplifier Tach Leed Fuses - Fuel Pump Relay O2 Sensor Fuel Pump To ECM (Computer) To Calibration Module 12-volt Battery Power MAT Sensor To Coil IAC (Idle Air Control) Switched 12-volt Power Ground Distributor MAP Sen[...]

  • Page 18

    18 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 INST ALLA TION 1. Inspect the Main System Harness, making sure that all connectors and grounds are properly in place. 2. Because the harness extends from the engine compartment into the passenger compartment, a hole must be dr[...]

  • Page 19

    19 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 The Coolant T empera ture sensor attaches to the main harness. The Manifold Absolute Pressure sensor attaches to the main harness. The Manifold Air T empera ture sensor attaches to the main harness. Only the fuel injector conn[...]

  • Page 20

    20 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 The IAC is attached to the main wiring harness. The ignition amplifier is attached to the main harness with the connector at left side of lo wer diagram. The ignition amplifier should be mounted on the firewall, or on the pass[...]

  • Page 21

    21 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 ELECTRONIC CONTROL UNIT /SYSTEM ECU The Electronic Control Unit ( ECU ) must be mounted away from moisture, excessive heat, or vibration. Underneath the dashboard on the passenger side, or behind the glove box are recommended [...]

  • Page 22

    e s. 22 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 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 [...]

  • Page 23

    23 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 3. Install the supplied .030” thrust washer and the OEM gear onto the new distributor by sliding them onto the shaft. Push on the shaft from above while holding the thrust washer and gear against the housing to remove any sl[...]

  • Page 24

    24 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 OTHER APPLICA TIONS 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[...]

  • Page 25

    25 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 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. T urn ignition key to the “ON” position. Y ou should hear the fuel pump go o[...]

  • Page 26

    26 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 3. THIS STEP REQUIRES TWO PEOPLE OR USE OF A REMOTE ST ARTER SWITCH. While one person rotates the engine by slowly bumping the starter , the other holds his finger over the Number One plug hole until compression is felt. 4. Co[...]

  • Page 27

    27 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 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 . Idle Control • Using the calibration module, Select MISC.[...]

  • Page 28

    28 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 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 a[...]

  • Page 29

    29 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 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. T[...]

  • Page 30

    30 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 FUEL @ ____ 2000: ± 0% EXIT = scroll ENTER POWER ON ENTER/EXIT UP DOW N UP DOW N UP DOW N UP / DOW N UP / DOWN ENTER/EXIT ENTER/EXIT UP / DOWN ENTER/EXIT SA VE REST ORE EXIT EXIT UP / DOWN WEBER/ EDELBROCK Pro-Flo EFI System [...]

  • Page 31

    31 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 Edelbrock Pro-Flo Fuel Injection System #3530/3531 P AR T NUMBERS Many of the components of the Pro-Flo system are available separa tely . Many are standard OEM parts. In the event that one of these parts need to be replaced, [...]

  • Page 32

    32 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 Check Qty . Description 1 Manifold Assembly ( as seen belo w) 1 Installa tion Instructions 1 EFI Owner’ s Manual 1 Basic ECU 1 Fuel Filter 1 Manifold Air T emperature Sensor and Grommet 1 Fuel Pump 1 Cal. Module 1 Cal. Modul[...]

  • Page 33

    33 Pro-Flo EFI Installation Instructions ©2005 Edelbrock Corporation Rev. 2/05 Brochure #63-0273 Catalog #3530 & #3531 SERVICE In the event that your Edelbrock Pro-Flo System should need ser vicing, return the unit (freight pre- paid) to the Edelbrock Service and Repair facility a t 2700 California Street, T orrance, CA 90503. Do not attempt t[...]