Holley Sniper EFI 550-511 - User Manual

1
550-510, 550-511, & 550-516
QUICK START MANUAL
SNIPER EFI INSTALLATION INSTRUCTIONS
Congratulations on your purchase of a new Sniper EFI Throttle Body System built
by craftsmen to exacting standards in our Bowling Green, Kentucky facility. Every
Sniper EFI System is 100% tested before it leaves our facility for “bolt on and go”
performance.

Summary

Quick Start Manual

Ignition Option 1: Coil (-) Ignition

Coil (-) Ignition Setup

Connects the system to the ignition coil for non-timing control.

Ignition Option 2: Capacitive Discharge Ignition

C;D Box Ignition Setup

Connects to a CD ignition box for non-timing control.

Initial Power-Up and Wizard

Calibration Wizard - System Setup

System Type and Cylinder Count Selection

Engine Displacement and Idle Speed Setting

Calibration Wizard - Configuration

Ignition Type Selection

Choosing the ignition system type for the EFI.

Timing Control and Setting

Deciding if Sniper controls timing and setting WOT timing.

Calibration Upload to ECU

Sensor Verification

Startup Procedure

After Startup Monitoring

Initial Startup and Setting Timing

First Drive and Self-Tuning Process

Holley Sniper EFI 550-511 Specifications

General

Part Number	550-511
Part Type	EFI System
Product Line	Sniper EFI
Fuel Delivery	Electronic Fuel Injection
Horsepower Rating	650 HP
Fuel Type	Gasoline
Voltage	12V
Self-Tuning Capability	Yes
ECU Included	Yes
Throttle Body Material	Aluminum
Fuel Pressure Regulator Included	Yes
Fuel Rails Included	Yes
MAP Sensor Included	Yes
Wiring Harness Included	Yes
Oxygen Sensor Included	Yes
Touchscreen Included	No
Injector Size (lbs/hr)	100 lbs/hr