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Instruction Manual
for the following Go EFI Systems
30003 - Go Street EFI System
This Quick Start Manual is designed to get you up and running with the Go Street Kit and either the 40003 Fuel Command Center or the 40005 Inline Fuel Delivery Kit. The FiTech Go EFI System is the industry's most advanced throttle body EFI system and also the easiest to install. It includes a very advanced Handheld Controller but is also capable of being far more tunable than any
competitive product that utilizes a Handheld Controller. Please read the full instruction manual before beginning your installation.
These instructions cover the Basic Kit installation and setup as well as general instructions for both of the optional Fuel Delivery Kits. For technical assistance with your Go EFI System, call 951-340-2624.
Warning: Caution must be oberved when installing any product involving fuel system parts or gas tank modificaitons. Work in a well ventilated area with an approved fire extinguisher readily available. Eye goggles and other safety apparel should be worn to protect against debris and sprayed gaso-
line. We recommend having this installation performed by an experienced qualified automotive technician. The finished installation must be thoroughly checked for any fuel system leaks. All safety precautions must be observed when working with fuel. Note: Do not use solid core ignition wires.
30003 Kit Contents
(1) 4-Injector Throttle Body - Die Cast Finish (30003) (1) Harness "A" (Plug-in pigtail user harness)
(1) ECU (Mounted on Throttle Body)
(1) Set of four or eight injectors pre-installed
(1) Idle Air Control (Installed on Throttle Body)
(1) Throttle Position Sensor (Mounted on Throttle Body)
(1) Coolant Sensor
(1) Handheld Controller w/billet case
(1) Wide Band O2 Sensor
(1) O2 Sensor Bung Kit
(1) Fuel Pressure Regulator (Installed in Throttle Body)
(1) Gasket Kit
(2) -06 AN Inlet/Outlet Fittings (Installed on Throttle Body
(2) Inlet/Outlet Port Plugs (Installed on Throttle Body)
(1) Data Com Cable
(1) 8 gigabyte SD Card (Installed in Controller)
(1) 3/8-NPT Reducer
(1) 10mm Port Plug
(1) Instruction Booklet
Table of Contents for Instruction Manual:
.................................................................................Kit Contents |
1 |
Coolant Temperature Sensor Installation |
.....................................4 |
About your FiTech Go EFI System................................................ |
2 |
Wiring the EFI System................................................................. |
5 |
Fuel Delivery Requirements...................................................... |
2/ 3 |
Fan Circuit Wiring........................................................................ |
5 |
Oxygen Sensor Installation....................................................... |
3/ 4 |
Wiring Chart.............................................................................. |
10 |
Throttle Body Installation............................................................. |
4 |
Wiring Schematics............................................................ |
7 thru 9 |
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About your FiTech Go EFI System
The Fitech Go EFI System will bolt directly to any 4-BBL intake manifold. To fit on a spread bore 4-BBL manifold will require an inexpensive adapater plate to avoid leaks. Note that the FiTech throttle body will bolt directly to a spread bore 4-BBL manifold but may leak without the
adapter plate. Suitable adapter plates are available from several suppliers such as Summit Racing (SUM-G1420).
The Fitech Go EFI System is self tuning once the simple initial setup is performed using the Handheld Controller. When the necessary initial inputs are made with the Hand-
held Controller the Go EFI System creates a base fuel MAP to get the engine running. Then the self tuning programming will fine tune the MAP to produce optimum power and performance. Through the use of a wide band O2 sensor the system can continuously make adjustments in the fuel delivery to provide the correct air/fuel ratio under all climate and altitude conditions.
The ECU (computer) is mounted on the throttle body thus eliminating the necessity of remote mounting the ECU module and the need for an unsightly harness draped over your engine. Several sensors are also integral to the throttle body assembly including the throttle position sensor (TPS), manifold absolute pressure (MAP), intake air temperature (IAT), and a fuel pressure sensor.
Initial Programming: This simple procedure is performed using the Handheld Controller. A laptop computer is not required. This unit plugs into the throttle body ECU. After a few initial inputs are made the Handheld Controller can be removed or left connected. When connected, there is a dashboard and gauges screen that will show engine parameters in real time.
Fuel Delivery Systems: You may have chosen one of the two optional Fuel Delivery System Kits from FiTech. Instructions come with each kit. If using other fuel delivery components you must use a 30-micron filter ahead of the fuel inlet fitting on the Fitech throttle body.
Wide Band O2 Sensor: This is the key component of any EFI system. Only one sensor is required. This sensor continuously monitors the exhaust gas mixture and sends the information to the ECU where adjustments are con-
stantly made to maintain the air/fuel targets.
Trigger Tach Signal: The FiTech EFI requires an rpm/trigger reference to operate. This is obtained by a connection to the negative post on a 12V coil. On HEI distributors, this connection is made to the "Tach" terminal that is indicated on the HEI distributor cap.
FiTech #40003 Fuel Command Center
Fuel Delivery Requirements
FiTech offers two different fuel delivery options. One is the 40003 Fuel Command Center. When using this option, you can configure the system to operate on a returnless basis. The other fuel delivery system is the 40005 Frame Mount Inline External Pump. Using this pump the system must have a return line. The Fuel Command Center uses your existing carbureted fuel pump and fuel lines to deliver the fuel to the Command Center which is mounted in the engine compartment. The only plumbing required is from the Center to the EFI.
High pressure hose and fittings are supplied with this kit to plumb from the Command Center to the EFI throttle body. A 340 L/PH EFI pump is submerged in the fuel in the Command Center sump tank. The Center also has a regulator and fuel pressure gauges.
When using the 30001/30002 Go EFI kits, the Command Center is suitable for engines making from 200 HP
to 600 HP. Either fuel delivery system can be used with these EFI systems. When using the 8-injector 30012 Go EFI System and the Fuel Command Center, the system is suitable for engines making up to 800 HP. When combining the 30012 Go EFI System with the 40005 Inline Pump, it is suitable for engines up to 600 HP.
Note: If you have elected to use the Fuel Command Center and your vehicle currently has a high pressure fuel injection pump, it must be replaced with a low pressure carbureted style pump. Note that vehicles equipped with factory high pressure EFI pumps are not compatible with the Fuel Command Center.
If you choose to use some other fuel delivery system other than FiTech, it is important to make sure that you confirm its compatibility with the FiTech EFI system. Contact the FiTech technical staff to check compatibility. Failure to do so can void your warranty.
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Note the following special instructions:
•We recommend using the Fuel Command Center for all installations. A submerged pump is quieter and lasts longer.
•If using the Frame Mount Inline Fuel Pump, it should be mounted as close to the fuel tank as possible and also as low as possible. It should be within two to three feet of the tank. This type of pump is designed to pump, not draw, and works best when gravity fed.
•Only use hard fuel lines when using proper EFI rated flared fittings.
Make sure that you remove ALL low pressure flex joints on factory fuel lines and replace them with EFI rated fuel hose and use proper flared connections and clamps. Be careful not to mix 45° and 37° AN fittings , they look similar but will not work together. 45° fittings
usually come from a hardware store or auto parts store while 37° AN fittings are the ones supplied by Fitech and most speed shops.
Remember that your system will be running at 58 PSI so consult a professional if you are not certain about this portion of your installation. Fitech does not recommend aluminum fuel lines EVER! Or you can use the supplied EFI high pressure fuel hose that is supplied in your Fuel Delivery Kit.
• Use the supplied push lock style hose ends only with the supplied hose and vice versa. Intechanging hose ends and hose with other brands could cause leaks.
VERY IMPORTANT NOTE: Your fuel tank must have a vent to prevent pressure building up inside the tank.
Plumbing Schematic for Fuel Command Center - Fuel Delivery Kit #40003 |
Figure 1 |
See separate Instruction Sheets that were provided witih this pump kit for complete details |
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Cap off Return Port
Supplied EFI Grade Fuel Hose plus push-lock style hose
ends, a fuel filter and fittings.
Fuel
Command
Center
Fuel Filter
A carb style pre-filter is required to keep debris from sticking the needle and seat that is installed in the Command Center.
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3-8 PSI |
Stock |
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Fuel |
Fuel Filter |
Pump |
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This replaces Stock Fuel Line
Plumbing Schematic for External Inline Pump - Fuel Delivery Kit #40005
See separate Instruction Sheets that were provided with this pump kit for complete details
Return fuel Line to tank
Must be mounted as low as the lowest point of the Fuel Tank and within 2-feet of it
IN
Fuel Pump |
Pre-Fuel Filter |
Post-Filter
Figure 2
Fuel Tank
Note: Before starting any installation, disconnect the ground connection on the battery. Be very careful when disconnecting any fuel lines to let the fuel drain into a re-
ceptacle or a dry cloth. Do not allow raw fuel to collect on the engine as this is a fire hazard. Please observe extreme caution when working with the fuel system.
Oxygen Sensor Installation
The supplied O2 Sensor can be installed in either exhaust bank. The Sensor cable connects to one of the cables coming out of the ECU on the throttle body.
A. The ideal location for the Sensor is 2-4 inches after the exhaust collector. It must always be at least 18-inches from the exhaust tip. Where short or open headers are utilized, install the sensor in the primary tube of the rear
cylinder. Must be at least 8-inches from the exhaust port. It will not work on "zoomie" style headers.
B.The sensor should be at least 10° above horizontal (see figure #3) to allow condensation to run off. If this is not adhered to, the sensor is susceptible to water damage.
C. Never position the sensor on the outside of a bend in the tubing.
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