Holley pro-jection 2D - Table of Contents

2
TABLE OF CONTENTS:
INTRODUCTION ...................................................................................................................................… 3
ILLUSTRATED PARTS
LIST ................................................................................................................…. 4
TOOLS / ADDITIONAL MATERIAL IS REQUIRED FOR INSTALLATION ............................................…..
4
MOUNTING THE ELECTRONIC CONTROL UNIT
(ECU) ....................................................................…. 4
SELECTION BETWEEN SMALL BLOCK AND BIG BLOCK OPERATION ..........................................…..
5
OPERATIONAL OVERVIEW OF TH
E DIGITAL ECU ...........................................................................…. 5
Main .................................................................................................................................................. 6
Idle .................................................................................................................................................... 6
High Rpm ................................................................................................................
.......................... 6
Accel Pump ....................................................................................................................................... 7
Choke ................................................................................................................................................ 7
BEFORE ST
ARTING TH
E ENGINE ......................................................................................................… 7
SETTING THE MECHANICAL IDLE .....................................................................................................…. 7
SET
TING THE THROTTLE POSITION SENSOR (T
PS) ......................................................................….. 8
TUNING THE DIGITAL ECU FOR PERFORMANCE ..........................................................................…... 9
T
uning the Main ..............................................................................................................................… 9
T
uning the Idle ................................................................................................................................… 10
T
uning the Accel .............................................................................................................................… 10
T
uning the High RPM ......................................................................................................................… 11
T
uning the Choke ............................................................................................................................… 11
CLOSED LOOP INST
ALLATION AND CONNECTION (OPT
IONAL) ...................................................….. 11
SYSTEM MAINTE
NANCE ....................................................................................................................…. 13
TROUBLESHOOTING AND COMPONENT T
ESTING .........................................................................…. 13
Adjusting the Fuel Pressure ............................................................................................................… 15
T
esting the Coolant Te
mperature Sensor .......................................................................................…. 15
Testing the Throttle Position Sensor (TPS) ....................................................................................…. 1
5
Testing the Powe
r Relay .................................................................................................................… 16
Testing the Fast Idle Solenoid ........................................................................................................… 17