fast multiport ezefi injection

Fast EZ-EFI MultiPort
Fast MultiPort Fuel Injection RetroFit Kit

Recently, engineers at FAST™ introduced the EZ-EFI®, a self-tuning fuel injection system that eliminates the need for EFI tuning experience and the use of a complicated laptop setup and now owners of multi-port fuel injected engines, including the GM Tuned Port Injection, Ford 5.0L, and other multi-port engines, can enjoy that same award-winning EZ-EFI efficiency with the ease-of-use, EZ installation and performance.--see more info about the Fast EZ-EFI MultiPort Kit--great tech help @
also see FAST EZ-EFI 1.0 for ez replacement of carb to throttle body injection.
See GM Gen III/IV LS-EZEFI for the new EZ-EFI for the LS applications.

Also see New FAST EZ-EFI 2.0

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Fast EZ-EFI MultiPort RetroFit Kit System
fast multiport ez-efi injection system
FAST EZ-EFI MultiPort RetroFit Kit Includes:
  • Self Tuning ECU
  • Wideband 02 Sensor, Fitting and Plug
  • Handheld User Interface
  • Tach Adapter
  • MultiPort Wiring Harness
  • more info on- FAST EZ-EFI MultiPort
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part# description price buy
302000 FAST EZ-EFI MultiPort Retrofit Kit $824.01
see options that you may need to complete the installation

FAST EZ-EFI MultiPort Retro-Fit Kit

There is no limit on horsepower because the system is based on each customer’s supplied injectors; it will run up to eight high impedance injectors to support a wide range of applications, everything from street through high horsepower. This performance kit includes a self-tuning ECU, wide-band oxygen sensor (with fitting and plug), hand-held user interface, tach adapter, multi-port wiring harness and everything necessary for a quick and easy installation. Simply hook it up, answer the basic setup Wizard questions on the included hand-held display, and the system tunes itself. This hand-held unit also provides on-board diagnostics and a “check engine” LED display for maximum safety. Should the ECU lose signal from any of the sensors, the EZ-EFI® will revert back to its engine protection “limp mode”, allowing secure engine operation using the rpm input and any functioning sensors, although it can operate on rpm input alone if necessary.
Sensors: the multi-port wiring harness is completely pre-wired and labeled for a simple installation with connectors for early style GM sensors (coolant temp, air temp, TPS, MAP and IAC) such as those found on a GM Tuned-Port engine, and can be purchased individually or in kit form. (see chart below)
TPS: FAST offers a Ford style TPS that is directly compatible with the supplied wiring harness or the harness may be modified to accept any 0-5V TPS. (see chart below)
Wiring Adapters: are available from FAST to accomodate a later style GM TPS (round 3 pin connector) or IAC (in-line 4 pin connector). Also available are a remote mounted IAC kit and an adapter for installing an early GM IAC on a Ford throttle body. (see chart below)
Injectors: The harness is wired for 8 traditional "Minitimer" style injectors. Injector adapters or connector kits are available from FAST to adapt the harness to newer "USCAR" style injectors. The EZ-EFI MultiPort system must be used with high impedance injectors and a vacuum referenced fuel pressure regulator. (see chart below)
Fuel System: returnless fuel systems can not be used. FAST offers an adjustable regulator that is ideally suited for use with the MultiPort EZ-EFI, or the entire fuel system that was designed specifically for the original EZ-EFI throttle body system that includes fuel pressure regulator, fuel pump and a pressure gauge and a fuel pump relay that is plug-n-play with the MultiPort EZ EFI wiring harness. (see chart below)

307053 Sensor Kit-GM (CTS,ATS,MAP,and GM TPS) $99.11
307049 Sensor Kit-Ford (CTS,ATS,MAP,and Ford TPS) $89.89
307003 Coolant Temp Sensor $10.30
307004 Air Temp Sensor $9.95
307005 Throttle Position Sensor-Ford $40.58
307006 Throttle Position Sensor-GM TPI $47.34
307028 Throttle Position Sensor-GM LT1/LS1 $49.71
308022 TPS Adapter Harness-Early to Late GM $11.22
307007 Manifold Pressure Sensor-GM (MAP 1 Bar) $37.86
307014 Idle Air Control Motor-GM TPI (IAC) $45.35
307015 Idle Air Control Motor-GM LT1 (IAC) $45.86
307059 Idle Air Control Motor-GM LS1 (IAC) $75.63
307016 Remote IAC Valve Adapter w/Filter (includes 307014) $159.06
307022 IAC Housing- Adapts Ford to GM (use with 307014) $85.89
307023 IAC Adapter Harness-Early to Late GM $45.90
170600-8 USCAR Injector Connector Kit $146.46
170604-8 Injector Adapter-USCAR Injector to Minitimer Connector $647.80
307030 30-70 PSI Adjustable Fuel Pressure Regulator $117.47
307503 EZ-EFI Fuel System $326.22