Frequently Asked Questions – More Q&A

Frequently Asked Questions – More Q&A

Yes! They are all GM style sensors while the O2 sensor is a Bosch wideband.
Yes, but please reduce the output claims of the system by 25-30%.

System Rating E85
Go Street 400hp – 280hp
Go EFI 4 600hp – 420hp
Mean St 800hp – 580hp
Go EFI 8 1200hp – 840hp
No you cannot, the regulator is non-adjustable.
Yes, easily with the Handheld controller under the Fan Control Menu.
Yes! BUT we recommend this for PROFESSIONAL TUNERS. FiTech is not a tuning school and we are not here to teach you how to operate laptop software. If you are a proficient tuner, you can do ANYTHING you desire with the laptop software including messing up your engine! If you are an amateur or even a well-rounded tuner you will have more than enough available at your fingertips, please stick to the Hand Held Controller. It is MORE than enough for 99.999% of users.
No you do not. Our ECU can drive your coil directly, BUT it can also fire a CDI box if you have one or wish to use one.
No, you do not. Everything you need can be done through the Handheld Controller. Laptop software is available for Professional Tuners if desire, but it is NOT necessary!
No, you can use your existing 4 barrel intake manifold. The GO EFI is drilled to accept almost any bolt pattern.
No, the Go EFI is the only system on the market with a built in fuel pressure regulator! Nothing to mount on your firewall!
It’s already set to go when you buy the Power Adder or Go EFI 8!
Basic systems have 6 wires to connect. You can be up and running with 4 wires. Our most ADVANCED system has only 10 wires and that includes Nitrous and Dual fans , so it is a VERY stealth system!
Our internal regulator is preset at 58 psi and is non-adjustable. It is built into the throttle body and is non-adjustable to keep pressures consistent.
Yes, you can run the Go EFI 8 on engines making as little as 250 HP! If you are planning a future upgrade, do not be afraid to step up to this option, it will absolutely work fine on your lower HP engine while you plan that Big Build!
No you cannot. You will be running what we call “Fuel only”. You still have an awesome system and we love this setup due to the high reliability of the HEI so don’t be afraid to keep yours if you have one. They are great units!
100% yes! It is the fastest ,most accurate on the market!
The most basic entries are Engine Cubic inch, ignition type, and cam shaft size “mild-wild”. You can set rev limits and fan temp turn on temperatures, but our factory settings are really good to get you running well. You can fine tune later if you desire easily with the touch screen controller.
That is a better question for your engine builder – our systems work perfect on both so please choose the manifold that best fits your engine build.
The 8 injector system will work on engines from 250-1200 HP.
You need a 2 wire distributor ‘locked out’ ( this is easily done on MSD or equal distributors) like Summit or Jegs brands.
Use the same size air cleaner you would normally use for your carburetor.
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