Holley pro-jection 2D - Default Chapter; Table of Contents

TABLE OF CONTENTS:
1.0 INTRODUCTION ...................................................................................................................3
2.0 WARNINGS, NOTES, AND NOTICES..................................................................................3
3.0 PARTS IDENTIFICATION.....................................................................................................4
4.0 ADDITIONAL ITEMS REQUIRED FOR INSTALLATION.....................................................6
5.0 TOOLS REQUIRED FOR INSTALLATION...........................................................................6
6.0 SYSTEM OVERVIEW............................................................................................................7
7.0 REMOVAL OF EXISTING FUEL SYSTEM...........................................................................7
8.0 INSTALLATION OF THE MARINE PRO-JECTION FUEL SYSTEM....................................8
8.1 Adapter Plate Installation....................................................................................................8
8.1.1 Square Flange Manifolds..............................................................................................8
8.1.2 Universal and Spread Bore Manifolds...........................................................................9
8.2 Throttle Body Installation ..................................................................................................10
8.3 Throttle Connections.........................................................................................................
10
8.4 Fuel Pump Installation ......................................................................................................
11
8.5 Fuel Pump and Throttle Body Filter ..................................................................................11
8.6 Return Line Installation.....................................................................................................12
8.7 Inlet Fuel Line Installation.................................................................................................13
8.7.1 Installation with Fuel Return Line to Fuel Tank...........................................................13
8.7.2 Installation with Fuel Return Line to Electric Pump.....................................................13
8.8 Coolant Temperature Sensor............................................................................................14
9.0 CLOSED LOOP INSTALLATION AND CONNECTION (OPTIONAL):...............................14
10.0 MOUNTING THE ELECTRONIC CONTROL UNIT (ECU):...............................................15
11.0 ENGINE WIRING HARNESS ............................................................................................16
12.0 ELECTRICAL CONNECTIONS.........................................................................................17
13.0 FINAL CONNECTIONS.....................................................................................................18
14.0 OPERATIONAL OVERVIEW OF THE DIGITAL ECU ......................................................18
14.1 Main................................................................................................................................19
14.2 Idle..................................................................................................................................19
14.3 High RPM .......................................................................................................................20
14.4 ACCEL Pump .................................................................................................................20
14.5 Choke .............................................................................................................................20
15.0 BEFORE STARTING THE ENGINE..................................................................................
20
16.0 SETTING THE MECHANICAL IDLE.................................................................................
20
17.0 SETTING THE THROTTLE POSITION SENSOR (TPS)...................................................21
18.0 TUNING THE DIGITAL ECU FOR PERFORMANCE .......................................................22
18.1 Tuning the Main..............................................................................................................22
18.2 Tuning the Idle................................................................................................................22
18.3 Tuning the ACCEL..........................................................................................................2
3
18.4 Tuning the High RPM .....................................................................................................23
18.5 Tuning the Choke ...........................................................................................................23
19.0 MAINTENANCE AND STORAGE.....................................................................................
23
20.0 TROUBLESHOOTING AND COMPONENT TESTING.....................................................24
20.1 Adjusting the Fuel Pressure............................................................................................
26
20.2 Testing the Coolant Temperature Sensor.......................................................................
26
20.3 Testing the Throttle Position Sensor...............................................................................27
20.4 Testing the Oxygen Sensor (if equipped) .......................................................................28