Fitech is known for idle issues on a divided wall intake. Still seriously looking at going with the Sniper. They installed everything and it has worked flawlessly ever since. Another issue with first gen, was that the base table was too rich for very cold starts in winter. We took a look and installed the three biggest ones to feel out the differences between each. I knew I'd be on my own as nobody I know run these over here and Holley's forum was at the time a very active place with tons of usable tips/help. 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. This type of injector has a needle valve at the nozzle that’s operated with a solenoid to regulate the pressure of the fluid being delivered into the engine cylinder. Therefore, you should also consider installing a fuel tank designed for EFI systems. ©
So back to a holley 4150 double pumper for now. I've heard that milling down the wall works. If you are unsure what you need to adapt to our line be sure to reach out and we can help you get what you need. If you know which system is best suited for your needs, then you will be able to make an informed decision.
Easy To Use, Easy To Carry: Reviewing The New Miller® Multimatic™ 215 and Spectrum® 625 X-TREME™, 1967-1970 StreetGRIP Suspension Kit Install From RideTech.
They may offer one, I don't know. 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. 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 Amazon.com and affiliated sites.
To be honest if I was starting over again I would probably go Holly sniper simply because Holly has a phenomenal Tech department and good long term support & parts.
The car was running fine on carb prior install. One issue with this model is that you need to have decent mechanical know-how to install the EFI and sensors on numerous points of the engine. Here we look at the. This is a wonderful product from the Fitech brand.
Let’s start with the most obvious differences between these units, appearance. Since fuel injection does not rely on air flow to mechanically meter fuel a dual plane design is of no benefit. 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. BUT the 1200 Hp from Holley would certainly fit the bill. Oct 3, 2018 #1 Does anyone have any hands on experience with either the Holley Sniper or the Fitech EFI systems? Despite that, it’s perfect for an everyday driver since the more you drive the more it adapts to your personal driving style. The unit comes with an integrated ignition timing control, and a Bosch 4.2 wideband oxygen sensor for real-time fuel mapping and to help send out information to the ECU.
FiTech TBI vs Holley Carb ... That cst does not include the fuel delivery system upgrade that you will need for fuel injection. Schwartz Performance June 2020 Shop Updates!
Fuel is sprayed into the engine in rapid short bursts, which creates a buzzing noise when the engine is started. The Newest Miller Multimatic – The 220 AC/DC Welder!
However over the last few years, the prices have dropped and user experience has gone up. 7173Mustangs.com is a community forum designed especially for fans and owners of the 1971, 1972 and 1973 Ford Mustang! These two charts show the difference in air/fuel (A/F) ratio between the carburetor and the FiTech fuel injection. Take a look at Holley sniper forum. When one has $8,000 invested in 2 carbs because you built a motor that requires large CFM, it get pricey FAST. Putting injector "bungs" into a '198 intake on my '69 ZL-1 just totally defeates the "stock-look" build! Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device. Global West, QA1, Viking, Wilwood, UMI, ProForged, http://www.youtube.com/watch?v=ng86PsGUcTY, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. A series of mergers throughout the years led to the absorption of other brands under its umbrella including MSD Ignition, Accel, Powerteq, and Racepak. 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. I started leaning towards Fitech on price, but more and more research lead me towards the Holley for system flexibility and customer support. That shop has there cliental that knows how to use a credit card and not how to use a screwdriver. It also uses computer controls, and overall it increases the power and fuel efficiency of a vehicle. Now with the Holley and FiTech, you can dead-head these units, meaning not run a return line. I'm using the supplied fuel pump with a return line. Holley has many options in the fuel supply realm. Also, please give us increments of time slips to see where you gained the most. I started leaning towards Fitech on price, but more and more research lead me towards the Holley for system flexibility and customer support. Don't like the looks or having a fuel tank there. Shortly meaning next couple weeks. Will probably break the bank and do the EFI tank install as well to support the system and keep pump noise to a minimum. This EFI system features advanced self-learning technology, which involves the constant analysis of the engine’s operating conditions to ensure that your vehicle rides smoothly and with minimal issues. Entering our 7th season of /DRIVE on NBC Sports, and with millions of YouTube and Facebook followers, The Drive is a leading authority of all things automotive.
Modern EFI systems typically use a multipoint fuel injector (MPFI).
So in that regard, they should be preinstalled a tab more open so it would start but give you higher rpm which would be easyer to understand than a flooding condition. The unit has an ECU and sensors built into the throttle body with few wiring connections for a neat system.
It also comes with a monitor that can give you real-time data on the engine’s parameters. The injectors can be timed to spray at the same time to all cylinders, or to coincide with the respective cylinder’s intake stroke.
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. I have the FCC installed and had to use PWM to keep the pump from percolating the gas, and flooding the vent line with the FiTech. Tons of additional brackets are required and needs be made. Pasted as rich text. Chris at www.efisystempro.com is great to deal with, and quite often has Holley EFI parts in stock when Holley doesn't even have them...I did some testing for him on some Sniper stuff, and he literally goes above and beyond the norm, to help his customers …
1996-2020 All rights reserved. This site created, owned and maintained by There was a great episode of Engine Masters where they installed an EFI, I think Holley, on a dual plane manifold and could not get it to run right until they eliminated part of the divider as mentioned above. WIN. RideTech News: Chevrolet OBS Truck Suspension. Once you get past the initial look of the units, you’ll most likely be looking at the price of them. If your spinning now, its only going to get worse with a looser converter, but you already know that. 11-28-2016 #3. precisionshootist. BTW, on the Holley forums I was told the release date for the software is still "soon"...whatever that is supposed to mean.
CLICK HERE for more information on the Winter Raffle 2020!!! I have a friend who got a new one from Holley. Tech support is there if you need them, although most issues come from poor installation from what I've seen / read about, not the parts. I'm working on EFI prep right now (fuel tanks, pumps, lines, etc.) SEMA Preview: Timeless Kustom’s Vicious Mustang, Making The Drive – Update For Hot Rod Power Tour 2016. A: Yes, we recommend you use cleaners. The only nagging thing i have now is a slow fluctuating idle speed (Edit: the theory is that it could be related to ignition noise). I Heard others who had the same problems. When the 4bbl to EFI affordable units came on the market, I had to get one of these.
By In this instance we are using AN 6 sized fittings and you will need to adapt to this size to get started. Installing FiTech EFI’s $1495 Ultimate Induction LS Kit! Usually, EFI systems do not include a fuel reservoir as compared to a carburetor that has bowls for fuel storage. Please provide opinions of which one is more desirable. Upload or insert images from URL. The Drive and its partners may earn a commission if you purchase a product through one of our links.Read more. See all 18 photos. Well the most commonly suggested pump is the WALBRO 255L, GSL392 is your inline fuel pump part number. works just fine, 1966 mall crawler-1970 all purpose rig-1972 half cab. I swapped over from FiTech, and quite frankly the car has run better & better. 1971 302 35" Boggers 5.38 spool/locker and some other mods. If of any help, here are my pros/cons of the Holley Sniper. Holley Sniper Vs. FiTech. The FiTech and Holley units enclose the injectors and mount the computer on the unit while the FAST keeps the injectors out in the open and remotely mounts the computer. The unit is rated for up to 650 horsepower, and is designed to replace any square bore or spread bore style four-barrel carburetor. Right off the bat the FiTech and Holley units look very similar, while the FAST unit has it’s own look. When the sniper runs its good no doubt about that, but when problems start it will freak you out.
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