FuelTech FTINJECTOR User manual

CAPA
FuelTechEMS
BRASIL
Av. Bahia, 1248, São Geraldo
Porto Alegre, RS, Brasil
CEP 90240-552
Fone: [phone]
E-mail: [e-mail]
www.FuelTech.com.br
FuelTechUS A
USA
455 Wilbanks Dr.
Ball Ground, GA, 30107, USA
Phone: [phone]
Toll Free: [phone]
E-mail: [e-mail]
www.FuelTech.net
OWNER’S MANUAL
MANUAL DO USUÁRIO
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ai161072875038_Manual - FT Injector v1.00_LOMBADA_4mm.pdf 1 15/01/2021 13:39:16

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1. Index
2. Presentation .......................................................................................................... 4
3. Warranty terms ...................................................................................................... 5
4. Characteristics ...................................................................................................... 6
5. Installation ............................................................................................................. 7
5.1 Electrical ........................................................................................................ 7
5.2 Fuel injector installation .................................................................................... 8
5.3 Conguration................................................................................................... 9
5.4 Base fuel pressure (differential) ....................................................................... 10
5.5 Dead Time table ............................................................................................ 10
5.6 Horsepower vs Injector size............................................................................ 11
5.7 FT Injector 320 lb/h ow table ........................................................................ 12
5.8 FT Injector 520 lb/h ow table ........................................................................ 13
5.9 FT Injector 720 lb/h ow table ........................................................................ 14
5.10 Max ow vs Pressure................................................................................... 15
6. Injector care and maintenance ............................................................................. 16
6.1 Fuel lter requirements ................................................................................... 16
6.2 Fuel lter system with mechanical fuel pump ................................................... 16
6.3 Off season maintenance ................................................................................ 17
6.4 Off season maintenance without removing injectors ........................................ 17
6.5 Oxygenated fuels usually include.................................................................... 17

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2. Presentation
Thank you for purchasing FT Injectors. In this manual you will nd all the
information you will need to ensure proper operation, conguration and
maintenance of your injectors.
The FT Injector is available in three versions, 320 lb/h, 520 lb/h and 720 lb/h.
Each FT Injector is made with the best possible materials, including corrosion
resistant internals allowing them to be used with any fuel from gasoline to
Nitromethane, Nitropropane and even fuels that contain MTBE and ETBE. Silver
plated terminals ensure the best electrical connection possible along with an
EV1 style connector for positive locking and vibration resistance.
The FT Injector is compatible with any ECU available on the market and requires
a 8A/2A Peak and Hold injector driver.

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3. Warranty terms
The use of this equipment should be in complete compliance with the terms
described in this manual. The manufacturer denies responsibility for failure to
do so or other product misuse.
This product must be installed and tuned by specialized auto shops
or professionals with experience on engine tuning.
Before starting any electrical installation, disconnect the battery.
This product is not certied for aeronautic purposes or any ying vehicles, as
it has not been designed for such applications.
In some countries where an annual inspection of vehicles is enforced, no
modication in the OEM ECU is permitted. Be informed about local laws and
regulations prior to the product installation.
Important warning for proper installation of this product:
Always remove and insulate unused wires. NEVER roll up
excess wiring as this may create an antenna that captures
electromagnetic interference that may generate product
malfunction.
Limited Warranty
This product warranty is limited to 90 days from the purchase date, only covering
manufacturing defects and requiring purchase invoice presentation.
Any disassembly of the unit or removal or replacement of any internal component
of the unit will void the product warranty and render the unit ineligible for service.
Damages caused by disassembly or misuse of the unit are not covered by the
warranty. Warranty void unless repair is done xclusively by FuelTech technical
support.
Manual Version 1.4 – August/2021

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4. Characteristics
Compatible with any kind of fuel, including:
- Gasoline
- Ethanol
- Methanol
- Nitromethane
- Nitropropane
- MTBE/ETBE
Electrical specications
- Low impedance
- Coil resistance: 1.5 Ohms
- Voltage compatibility: up to 24V
- Ingress protection Rating: IP67 / NEMA6
Dimensions mm (in)
1 - Overall height - 86,3 mm (3.4”)
2 - Overall width - 29 mm (1.14”)
3 - Top O-ring diameter - 13,7 mm (0.54)
4 - Tip - 13 mm (0.51”)
5 - Bottom O-ring diameter - 13,7 mm (0.54”)
- AN and ORB sizes
- AN-4 or AN-6 for fuel supply side
- AN-3 or ORB6 for manifold side
6 - Overall height - 102 mm (4.02”)
7 - Tip 45º - 27 mm (1.06”)
Packaging Contents
- Instructions manual
- FuelTech sticker
1
2
3
5
4
6
7

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5. Installation
5.1 Electrical
-Pin 1: 12V to 24V switched power (never wire constant power, will damage
the injector)
-Pin 2: ECU injector output or peak and hold driver output
- The injector will still work even if the connections are swapped, however,
we strongly recommend following the standard pinout in order to make
any kind of troubleshooting easier.
Testing your injectors before rst startup
- Go to your outputs screen under sensors and calibration
- Setup each injector output
- The output are set you can power the ECU up and click on the lightning
bolt button near each injector output. The injectors will click when the test
button is pressed. Test each injector to ensure proper functionality, and
to make sure they’re on the correct cylinder and rail according to your
selection.
If your injectors are not working use the
diagnostic guide below
- Check for power at the injector connector
with a volt meter or LED test light
- Check the injector output from your ECU
with a noid light set or LED test light
- Make sure your peak and hold driver
modules are plugged in if using an FT
ECU
- Check for power and ground on your peak
and hold module
- Check to make sure all relays related to
injectors are energized
- Check all fuses related to injector power

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5.2 Fuel injector installation
O-ring style injectors
a. Lube the upper and lower o ring with petroleum jelly or ATF
b. Press the bottom of the injector into your intake manifold injector bung
c. Align all injectors and press the fuel rail onto the top of the injector ensuring
all of the o rings are intact and seated properly
ORB style install
a. Lube the lower O-ring on the ORB tting with petroleum jelly or ATF
b. Carefully thread your ORB tting in to the threaded boss on your intake
manifold
c. Lubricate the upper o-ring with petroleum jelly or ATF
d. Make sure all injectors are aligned properly and press the fuel rail onto
the top of the injector
AN feed style install
a. Carefully thread your AN line to the top of the injector
b. Snug the AN line with a wrench to prevent damage to the tting
c. Lubricate lower o-ring with petroleum jelly or ATF
d. Carefully press your injectors into the bungs on your intake manifold
Double AN style install
a. Carefully thread your AN line onto the top tting of your injector
b. Tighten the upper tting with a wrench to prevent damage to the tting
c. Carefully thread your AN line to the outlet of the injector
d. Tighten the lower outlet an line with a wrench to prevent damage to the
tting
IMPORTANT
Once installed, pressurize the system to inspect for leaks
before starting
NOTE
In some cases, it will be necessary to increase the diameter of
the injector tting holes in the intake manifold.

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5.3 Conguration
Navigate to engine settings on the quick access panel.
a. Click Fuel injection
b. Enter your total ow by adding your injectors together
Example: 720lb/h x 8 cylinders = 5760
c. Enter your primary injector dead time
Battery voltage compensation
Next step is on battery voltage compensation in fuel tables.
8
Volts
10
Volts
12
Volts
13
Volts
14
Volts
15
Volts
16
Volts
18
Volts
20
Volts
1.800 0.980 0.600 0.410 0.220 0.110 0.000 -0.180 -0.300

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5.4 Base fuel pressure (differential)
The recommended base fuel is 90PSI, this allows a better fuel atomization in
the combustion chamber.
Execute the following steps to regulate it:
a. Disconnect the fuel regulator vacuum hose
b. Rev the engine up to 3000RPM steady
c. Regulate the base fuel pressure at 90PSI or desired pressure, making sure
to have a stable number
IMPORTANT
It’s not recommended use more than 140PSI of differential fuel
pressure, this will damage the injectors
Battery
voltage
(V)
Fuel pressure PSI - (BAR) - 520 lb/h
30
(2.1)
40
(2.8)
43.5
(3)
50
(3.4)
60
(4.1)
70
(4.8)
80
(5.5)
90
(6.2)
100
(6.9)
110
(7.6)
120
(8.3)
130
(9)
82,34 2,42 2,52 2,6 2,7 2,84 2,94 3,06 3,2 3,4 3,54 3,7
10 1,82 1,92 1,96 2,02 2,12 2,16 2,3 2,42 2,52 2,6 2,72 2,84
12 1,52 1,54 1,62 1,68 1,78 1,8 1,84 1,94 2 2,1 2,16 2,24
14 1,3 1,34 1,36 1,44 1,48 1,52 1,56 1,64 1,72 1,76 1,84 1,92
16 1,14 1,2 1,22 1,22 1,28 1,28 1,36 1,38 1,48 1,52 1,62 1,68
18 1 1,06 1,08 1,08 1,12 1,16 1,2 1,24 1,3 1,32 1,42 1,48
20 0,86 0,92 0,94 0,96 1 1,04 1,08 1,1 1,16 1,22 1,26 1,3
Injection time (ms)
5.5 Dead Time table
Battery
voltage
(V)
Fuel pressure PSI - (BAR) - 320 lb/h
30
(2.1)
40
(2.8)
43.5
(3)
50
(3.4)
60
(4.1)
70
(4.8)
80
(5.5)
90
(6.2)
100
(6.9)
110
(7.6)
120
(8.3)
130
(9)
82.08 2.22 2.24 2.28 2.42 2.52 2.72 2.84 2.96 3.08 3.24 3.38
10 1.7 1.78 1.8 1.84 1.9 1.98 2.06 2.16 2.18 2.24 2.36 2.52
12 1.38 1.42 1.46 1.5 1.56 1.6 1.64 1.72 1.82 1.88 1.96 2.08
14 1.18 1.22 1.24 1.28 1.34 1.4 1.44 1.48 1.56 1.64 1.7 1.78
16 1.04 1.08 1.1 1.12 1.18 1.22 1.26 1.32 1.34 1.38 1.46 1.52
18 0.92 0.94 0.96 0.98 1.02 1.06 1.1 1.14 1.22 1.24 1.28 1.34
20 0.84 0.84 0.86 0.9 0.92 0.94 0.98 1.04 1.1 1.12 1.16 1.22
Injection time (ms)

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Battery
voltage
(V)
Fuel pressure PSI - (BAR) - 720 lb/h
30
(2.1)
40
(2.8)
43.5
(3)
50
(3.4)
60
(4.1)
70
(4.8)
80
(5.5)
90
(6.2)
100
(6.9)
110
(7.6)
120
(8.3)
130
(9)
82.34 2.36 2.44 2.58 2.68 2.72 3.02 3.3 3.56 3.84 3.86 4.14
10 1.88 1.88 1.94 2.04 2.1 2.18 2.34 2.48 2.6 2.8 2.96 3.12
12 1.54 1.54 1.62 1.66 1.7 1.78 1.94 2.1 2.14 2.22 2.38 2.44
14 1.32 1.34 1.36 1.42 1.48 1.48 1.62 1.72 1.02 1.86 1.98 2.08
16 1.14 1.16 1.18 1.2 1.26 1.3 1.46 1.5 1.54 1.62 1.7 1.76
18 1 1.02 1.04 1.1 1.12 1.18 1.28 1.32 1.34 144 1.5 1.54
20 0.9 0.92 0.94 0.96 1 1.06 1.12 1.2 1.22 1.26 1.32 1.38
Injection time (ms)
5.6 Horsepower vs Injector size
320 lb/h Injectors
43.5 PSI Fuel pressure differential
Power: 4 injectors 6 injectors 8 injectors
Ethanol 1232 HP 1849 HP 2466 HP
Gasoline 1923 HP 2885 HP 3846 HP
Methanol 641 HP 961 HP 1282 HP
90 PSI Fuel pressure differential
Power: 4 injectors 6 injectors 8 injectors
Ethanol 2804 HP 4206 HP 5608 HP
Gasoline 4360 HP 6539 HP 8719 HP
Metanol 1436 HP 2154 HP 2872 HP
520 lb/h Injectors
90 PSI Fuel pressure differential
Power: 4 injectors 6 injectors 8 injectors
Ethanol 3882 HP 5824 HP 7765 HP
Gasoline 6036 HP 9054 HP 12072 HP
Methanol 1988 HP 2982 HP 3976 HP
720 lb/h Injectors