Holley 950 manuals

Holley 950 User Manual (98 pages)

Brand: Holley | Category: Unknown | Size: 9.48 MB |

English

Table of contents

COMMANDER 950

1

INTRODUCTION

4

1.1 Fuel Management System

5

1.6 Fuel Injectors

7

1.6.2 Top-Fed Fuel Injector

7

1.12 Oxygen Sensor

9

1.15 Fuel Pump Inlet Filter

10

1.21 Open Loop

12

2.1 Speed Density

14

2.2 Alpha-N

15

3.0 SKILL LEVEL REQUIRED

16

5.0 ELECTRICAL CONNECTIONS

16

5.3 Plug-In Connections

18

5.4 Ignition Wiring

18

AND COMPUTER OPERATION

19

6.4 Base Maps

21

¨ IGNITION CHECK

22

¨ IDLE SETTINGS

22

¨ LOAD BASE MAP

22

¨ SELECT ENGINE PARAMETERS

22

¨ SAVE PARAMETERS

24

8.0 STEP-BY-STEP BASIC TUNING

26

CONGRATULATIONS!

36

10.0 ALPHA-N TUNING

50

11.0 DATA LOGGER

53

Figure 44

61

Figure 45

61

Idle Air Control

65

COMPONENTS

74

Testing the Oxygen Sensor

75

Percent [%]

78

Emissions and Performance

79

Engine Management Systems

79

Air Management

79

Fuel Management

80

Ignition Timing Management

81

Injector Fuel Flow

81

Fuel pressure

82

Appendix 9 FUEL PUMPS

83

Appendix 10 WIRING DIAGRAMS

84

Figure 62

85

COMMANDER 950 TO GM HEI

86

Figure 63

86

Figure 64

87

BLUE/WHITE

88

YELLOW/BLACK

88

TAN/BLACK

88

BLACK (16 AWG)

88

Figure 67

89

Figure 68

90

Figure 69

91

Figure 70

92

Figure 71

93

(switched power)

97

Holley

98

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