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Therefore, you should consider upgrading the fuel line to meet the EFI system requirements. I expect this idea will apply to either system. If your engine is a new build, consider consulting with an engine-building professional before installing an EFI system. 72 Mach 1 H-Code (Concourse driven restoration). Check the version that you have, on the handheld go to local setup/local info and note the firmware version under Device FW Version. Also, the ECU and monitor can take a toll on your vehicle’s battery. Apart from this, you will also need a regulator, a fuel rail kit, ECU, and a return line to the fuel cell. The best power with a carburetor was 503 hp at 5,800 rpm and 499 lb-ft of torque at 4,400 rpm. Schwartz Performance June 2020 Shop Updates! If primed, car starts so fast, I'm not sure if the starter even turns :). Holley vs. Fitech EFI Facebook; Twitter; Youtube; Instagram; Holley vs. Fitech EFI. In addition, it has a dual bolt pattern, and as a result, can fit in a 4150 square bore flange or a spread bore. Not sure yet. I did Everything possible to do, but I couldnt get it right. If you have a muscle car or a hot rod, the MSD 2900 will be a great addition to eliminate cold start and idle issues. It’s important to consider the type of EFI system you need before buying one. Installing FiTech EFI’s $1495 Ultimate Induction LS Kit! I don't even think there were tanks avail for 7173 at the time I've ordered mine. Single-point injection systems are more economical and easier to service. As of the time of this article, the FAST unit is only available with a black finish – but that seems to be the most popular color people are choosing anyways. The reason for the difference is how they are built. Here we look at the. black ceramic. This self-tuning fuel injection system is rated for up to 550 horsepower, and is designed to eliminate cold start issues, vapor lock, hesitation, and flooding. There’s been kits on the market for years but due to their complexity and higher price, they haven’t been widely accepted. is a community forum designed especially for fans and owners of the 1971, 1972 and 1973 Ford Mustang! For years I was water mouthing on the EFI installs you could see from time to time. I'm sure the fiTech would do fine too, but as I'm now familiar with the Holley, what you get and how to install it, I know for sure, my 429 will receive a sniper too. He really liked the Fitech system but pointed out some great issues being customer support and user interface in monitoring and adjusting the Fitech unit. If I had to choose I would get the Fast 2 it seems that they had less problems of all. WIN. No way back. Also, you get a high-resolution, full-color touchscreen that will help you set up, tune, and monitor the system. This way, we offer genuine, accurate guides to help you find the best picks. No where near wat you expect now days from a touch screen. Runs perfectly, exhaust is super clean, (as far as a v8 exhaust fume can be). I went for it because the anodised or zinc finishes they offer would be less durable under the wet air that we have here. No bracket or nice way to fit the handheld screen other than a cheapo double tape. It also uses computer controls, and overall it increases the power and fuel efficiency of a vehicle. © document.write(new Date().getFullYear()) Acton Media Inc. All Rights Reserved. Holley EFI Sniper or Sniper Stealth Discussion in 'High Tech Retrofits' started by br80z, Feb 23, 2020. Modern EFI systems typically use a multipoint fuel injector (MPFI). You should select an injector with a horsepower output that can match the fuel and airflow needs of your engine. Another issue with first gen, was that the base table was too rich for very cold starts in winter. FiTech is headquartered in Riverside, California, and makes some of the best fuel systems. The unit is rated for up to 650 horsepower, and is designed to replace any square bore or spread bore style four-barrel carburetor. They all have wiring coming off them and are made from cast aluminum with machined surfaces. My impression is that Holley has the company size and experience to support their products. After installing it, your vehicle will experience quick starts, a smooth idle, and better throttle response. Also integrated into the unit is an ignition timing control, a coil driver, and a pre-set fuel pressure regulator. Did you run the update? EFI (electronic fuel injection) systems are becoming more and more popular because of their efficiency and optimum power. It is a good idea to get the EFI system on without ignition control at first so it is easier to troubleshoot. This will result in good engine performance despite the ambient temperature, driving condition, or speed. I started leaning towards Fitech on price, but more and more research lead me towards the Holley for system flexibility and customer support. The tank level, probably me not good with carb tuning, I had to refill the tank on regular intervals. Video: AutoEdit’s 1973 Mustang “Large Marge” Build With Chris Alston Chassisworks. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to and affiliated sites. I wanted first see and also wait to see how that goes when driving. This is the first thing you’ll see when looking at these kits, and the first thing you’ll show off under the hood of your ride. Ok, contemplating the efi conversion for my 67 390. It was super helpful to hear your first hand feedback. It ran perfect for one year the all sorts of problems occured. Think here of throttle body to accel cable, tubings, fuel connections, pump supports, fix the lack of kickdown support etc... Lots of custom work required if you want it nice and safe. EFI systems require higher fuel pressure for efficient operation. A series of mergers throughout the years led to the absorption of other brands under its umbrella including MSD Ignition, Accel, Powerteq, and Racepak. Take a look at  Holley sniper forum. Apart from making EFI systems, it also makes fuel pumps, fuel filters, fuel pressure gauges, and regulators. The main issue we take with this kit is that it doesn’t come with a fuel system, which translates to extra costs on your end if you decide to buy the master kit with the fuel pump. Flying Sparks Garage’s Newest Ride: 1969 C20 “Garfield” Truck! It is a good idea to get the EFI system on without ignition control at first so it is easier to troubleshoot. I have a friend who got a new one from Holley. Display as a link instead, × If you have an account, sign in now to post with your account. Holley didn’t cut corners when it comes to upgrading the look of the Sniper 550511 over other Holley EFI systems, and that’s why it has a tougher … @newAgeMuscle had a hardware problem and Holley replaced it. I think it can only be answered truthfully by someone that has had experience with both. Not looking to light a fire, but looking feedback from members who have actually installed efi systems and pros and cons of what you have experienced. A single point injector or a throttle body injector has one injector mounted at the throttle body. With EFI, much less fuel is being used. Dakota Digital HDX Gauges – First Ever Review And Installation! What is the best electronic fuel injection?!? See all 18 photos. However over the last few years, the prices have dropped and user experience has gone up. The throttle spring is really hard, I still have to look for a way to make it more progressive. The FiTech 30021 has an innovative patented design that maintains the classic carburetor look by hiding the injectors within the structure and having an externally-mounted ECU. Wish they had a Ford version. I don't really expect problems, but a dist managed by the unit is of course very tempting (very pricy too). The injectors can be timed to spray at the same time to all cylinders, or to coincide with the respective cylinder’s intake stroke. Still seriously looking at going with the Sniper. I had the sniper for 2 years and removed it. Usually, EFI systems do not include a fuel reservoir as compared to a carburetor that has bowls for fuel storage. Some types, such as the multi-point injection system, are more precise and better at achieving the ideal air to fuel ratio than the other options. All of our reviews are based on market research, expert input, or practical experience with most products we include. So far my ignition is controlled by the good old distributor. Fitech Go Street EFI= $795.00; Holley Sniper = $999.95; FAST EZ-EFI = $899.99; All three units have different prices, but offer different options and features. Despite that, it’s recommended for nearly any carbureted vehicle including off-road trucks, street rods, and muscle cars. Good luck and keep us posted on your decision. Even though they are self learning there will be tweaking needed to adapt to your engine/drivetrain/car. Share Followers 1. Because it's still not on the road, I can't say much about how it really performs. Copyright © 2010 - 2020 - Webfinity Design - - All Rights Reserved I have a v1 pertronix on a mallory basic dist. Another difference we noticed is colors. If you really want that simple look, FAST does make a unit that looks like a carburetor but it’s over $1,000 for that unit, so we didn’t test it. My tank was perfect inside and did not need much on the outside aside recycling a sending unit to have the return line on top. Holley didn’t cut corners when it comes to upgrading the look of the Sniper 550511 over other Holley EFI systems, and that’s why it has a tougher look to it. I must say the external pump from the kit is very quiet. Compared to carbureted motors, they are great because they deliver better fuel economy. Fuel Injection has dramatically improved allowing just about any engine to have a high-tech and efficient fuel delivery system. the length of the wire in harness are all well thought and fit perfectly, at least for a cleveland. Also, you need decent automotive knowledge to install this kit. So back to a holley 4150 double pumper for now. Messages: 521 Likes Received: 2. I do not recommend the sniper unit. Fuel System. What's more, it comes with a handheld, full touchscreen monitor, which you can use to tune the EFI system as you please. The ceramic finish is beautiful. Otherwise, I would have loved the gold finish. My impressions of two fuel injection conversion kits i used on a pair of '66 Mustangs. My theory is that the ECU Electronics didnt manage the heat under the hood. Technology, performance and design delivered to your inbox. This bugs in the table has been fixed and the edit/read software updated few times, so in that regard Holley is doing ok. All with all, it's not as in the promo videos done in few hours, at least for a 7173. Im waiting for the 4r70w Control in the Terminator ECU. That's what my plan is.   Your previous content has been restored. I will guess this type of issues will occur with both brands. The Newest Miller Multimatic – The 220 AC/DC Welder! Only noise is from priming, after that, I honestly do not hear anything. The oxygen sensors come with a clamp-on kit for leak-free installation. Good Guys 2017 Autocross – Are You Ready? The unit, the wiring, pump etc... comes beautifully packaged/protected in foam, labelled and well documented.

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