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EFI SYSTEM PRO
United States
Приєднався 25 сер 2014
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Are you contemplating an EFI system for your car or truck but just don't know quite where to start? Or maybe you have a good idea of what you need but would like the insight of an experienced EFI system integrator to make sure you get everything you need the first time without a lot of guessing or back-and-forth ordering. If either of these is true, then this is the place for you!
www.efisystempro.com/custom-build-sheet
Are you contemplating an EFI system for your car or truck but just don't know quite where to start? Or maybe you have a good idea of what you need but would like the insight of an experienced EFI system integrator to make sure you get everything you need the first time without a lot of guessing or back-and-forth ordering. If either of these is true, then this is the place for you!
www.efisystempro.com/custom-build-sheet
Fuel System by EFI SYSTEM PRO
Hey there, it's Chris from EFI System Pro, and I'm here to help you through the essential steps of transitioning to EFI-starting with smart decisions about fuel delivery.
Ensuring the right volume of fuel at the correct pressure between your tank and the EFI system is crucial for optimal performance. The good news?
The EFI System Pro team has you covered!
www.efisystempro.com/fuel-system
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#EFISystemPro #FuelDelivery #EFIProjects #PerformanceUpgrade #FuelSystemSolutions #ExpertAdvice #FuelPumpKits #FuelTankSystem #EFIExcellence #CarTech #UpgradeYourRide #holley #holleyefi
Ensuring the right volume of fuel at the correct pressure between your tank and the EFI system is crucial for optimal performance. The good news?
The EFI System Pro team has you covered!
www.efisystempro.com/fuel-system
.
.
.
.
#EFISystemPro #FuelDelivery #EFIProjects #PerformanceUpgrade #FuelSystemSolutions #ExpertAdvice #FuelPumpKits #FuelTankSystem #EFIExcellence #CarTech #UpgradeYourRide #holley #holleyefi
Переглядів: 114
Відео
What's Inside a Holley Sniper EFI Unit | EFI System Pro
Переглядів 10 тис.Рік тому
Welcome to our channel! EFISystemPro.com is here to help our fellow EFI/Performance enthusiasts to make the most out of their cars and future projects! If you like what we are doing, please subscribe to the channel and share the video with your friends :) Are you contemplating an EFI system for your car or truck but don't know where to start? Or maybe you have a good idea of what you need but w...
Tips about using a Holley Terminator X Max or Dominator ECU I Ford or GM Electronic Transmission!!
Переглядів 795Рік тому
Here are 3 quick tips about using a Holley Terminator X Max or Dominator ECU to control your Ford or GM electronic transmission!! By the OG EFI System Pro Expert, Chris Myer 💪 * We absolutely love helping folks be a success with their EFI Systems! There is no doubt that we provide customers who buy their systems from us the best support in the business-at no additional cost! * But what if you d...
HOW TO REPLACE FUEL INJECTORS & UPGRADES | HOLLEY SNIPER/TERMINATOR X EFI
Переглядів 7 тис.Рік тому
HOW TO REPLACE FUEL INJECTORS & UPGRADES | HOLLEY SNIPER/TERMINATOR X EFI
Hi! I am running a holley sniper on a boat with a chevy 350. I'm burning 02 sensors but while I fix that, I need to lear how to override the baseman and make it run on open loop. Is that possible? Will it run right after a good learning session? I just don't want to waste a whole weekend when the 02 goes out
Can it control a th350 transmission?
I have a carbuerated Jeep YJ. Does the Sniper have a built in Inertia switch (for rollover)?
No, the Sniper does not have an inertia switch. The only similar function it has is if the engine shuts off the fuel pump will stop running, but if it rolls over and the engine doesn't shut off then the pump will continue to run. It would be possible to add an inertia switch into the wiring from the Sniper to the pump though.
Here's a link to the kit--and we corrected the price! www.efisystempro.com/terminator/terminator-stealth-4BBl-tbi-systems-550-440-441-442
Wait what do you mean liquidation sale?
liquidation sale is when a company has inventory that they want to turn into working capital and they are usually willing to sell it at a steeply reduced price to do so.
thanks for the video, does the sniper 2 use the same style injector?
Yes, the Sniper 2 uses the exact same injectors as the original Sniper, but with a much better connector for them.
Scott is awesome on these Holley EFI systems, all of them. If I were to purchase again it would be from EFI System Pro. You get a wealth of knowledge and great support. They put out some amazing content for tuning procedures. They want you to succeed.
I don't have spark. It was working fine for 3 years but now it is not working. Can you make a video on how to diagnose it. Please help me out thanks
My,was working fine for 3 years now it dont have a spark. Everything has powwer coil works, rpms its detected went engine crank. Can you make a video how to diagnostic it
Can you help me? i have sniper efi withn hyperspark ignition system. It has been working fine for 3 years now it has not spark in. I have power in everything coil works, rpm went i crank the engine power on the white wire. May you make a video of how to diagnose it
So does the sniper build the pressure and once it returns is the pressure lost or do I now need to get new fuel lines to hold the pressure? I have a 79 chevy k20
It is not uncommon for pressure to drop off after the fuel pump turns off. If the pressure is correct while the fuel pump is running then there is nothing to worry about. If it can't maintain 60 psi while the pump is running then there is an issue. The fuel lines themselves play no role in that.That is all the regulator! Check valve in the pump please.
My issue was that my tps sensor kept bouncing 1-2 percent keeping it in a repeating loop of acceleration enrichment. Ended up being a bad ground lol
Hi,I need injector for Holley sniper efi 550-511 what kind I need to get
You need this www.efisystempro.com/sniper-terminator-x-efi-injectors-522-101x
Chris offers the best quality service in the industry. Very helpful and friendly
🔥👍
My TPS is not re zeroing after cycle. I turn it back on and it reads 30% still. Is there a fix for this?
I have a flooding problem in the high ports of a super sniper, any help? Can I upgrade the ECU and injectors to my Super Sniper and make it have 8 injectors instead of 4?
-If a single throttle bore is getting flooded most likely the injector driver in the ECU is bad and the whole ECU will need to be replaced by Holley. If it's all for throttle bores then it sounds like an interference problem instead. -Holley won't sell the ECU so you can't upgrade to an 8 injector setup, the throttle body would also need some machining to accept the second set of injectors.
I'm just going back to carb to many issues with the holley EFI sniper
Downloaded software last night. Took my first log, computer wouldn’t read it, called tech this morning. They said I needed to update firmware on handheld, which I already did. Turns out the firmware out on the site is more recent than the pc software. Now I need to update to the older version which now my ECU won’t recognize anything. Pretty sure my new install is coming out. 😢 and going back
How bout 210lb hr?
Water is a byproduct of combustion. You run the car longer because you want to influence the Dew point.
Who sells Holley Sniper Fuel injectors? Holley keeps telling me they won't sell them , individually , as a set , Nothing. Just send the entire EFI unit back , because of 1 injector going bad. Can you share a part number and or place to purchase them? Thanks
522-101x is what the Sniper needs for injectors. www.efisystempro.com/sniper-terminator-x-efi-injectors-522-101x
@@efisystempro much appreciated. Ill order spares from You guys!! EFI PROS IS a great company!! Ive ordered and have has technical help from your company in the past. You guys ROCK!!!
I just bought a sniper2, and I was wondering when the 5 inch touchscreen would be available for this one
Holley is sure working on it, may be in next 2-3 months :D
Thank god I stumbled across this I was thinking mine was a door stop started spraying fuel looks like just an o ring. Gonna fix it and sell it since I’m going to a terminator
Confirmed just an o ring - saw a stupid Reddit post where they said it was a casting failure so I never looked more into it if spraying by the throttle cable
Messing with me
What to do with the iac
We have a great article that covers setting the IAC correctly here. www.efisystempro.com/efi-pro-hangout/holley-sniper-efi-instruction/holley-sniper-installation-startup-troubleshooting
Newbie to efi, built a supcharged rotory. 20 year build, went efi for the non lean idle. Learning why im a carb guy lol. Just trying to learn, is that like the cam time? Im lost
The reason for this video was to explain to people they don't need a tune for making power and a different tune for economy. You use very different areas of the fuel map for accelerating and cruising at a steady speed. Snipers do not have any cam timing capability.
Thank you so much for that link! Just trying to think like a carb off idle how to fattin up. Another question I bought a laptop and downloaded the Holley software, got the dongle. Can I make changes to the fuel without the handheld hooked up? Looks like I have to unplug it to connect to computer
Thanks for the help too, nobody around here can help me
The engine was built to be a gas drinker
Upload a short don't know how to send it to you
I need your help my truck is day to day.. I set the iac to 8 to 12 percent but once i get rolling it's 20 percent all day truck run percent all day.. park truck in my garage over night I go to crank her back up next morning I'm back 60 to 75 iac what am I doing wrong why I want hold this setting also I emailed you about the RF plate for sniper
I think your missing the extract file part
Mine sometimes will toggle from 100 to 0 several times when I go WOT and on the chip.
That sounds like a possible loose connection, but more likely a bad TPS sensor. You might be able to solve it by loosening the mounting screws for the TPS and setting it in the middle of it's adjustment.
Hay Guys, bought a HyperSpark to compliment my Sniper from you guys a couple of years ago. I've watched a couple of 'experimental' videos of people downrating to smaller injectors EG 80lb which helped with over-fuelling and backsplash up into the air-cleaner (and reduced injector noise). One video appeared to show the increased pulse width of the lower lb injector led to a more granular tuning adjustment made by the ECU in the learned fuel table. Do you have any experience of having experimented with lower injectors, or could you pass comment on what if any effect this would have on longevity of the ECU's electronic drivers for the injectors.... For example, could lower injectors potentially put less load or strain on the Holley electronics? (Four barrel Sniper on 1969 351W)
Hi Rob, There really is no benefit to the ECU itself in downsizing the injectors. It is the same electrical load no matter the injector flow rate. The actual electrical parts are the same for all injectors that would fit in a Sniper with the only difference being the nozzle size. I have helped one customer downsize his injectors a year ago or so and while it works fine, it is pretty unnecessary unless you had a real small engine. If you have a V8 making 250 HP or more then there should be no need and if fuel is coming back up out of the throttle bores it sounds like there is a tuning issue or exhaust leak causing excess fuel flow.
@@efisystempro Thats brilliant thank you, and your absolutely right, the fuel thrown out the bores was due to over fuelling caused by a persistent exhaust leak (I kind of knew the answer to that already, but was interested in your take on it...). I had an intermittent injector which I just fixed (hopefully see how it holds) using the zip-tie trick, interestingly the thin and flexible copper wires (grey and white for rear driver’s side bore) are showing exposed copper between the rubber connector and wire sheathing. I'm really beginning to doubt the build quality of the Sniper MK1... Thanks again for your quick response to my questions.
Great video 😃
Thank you!! Be sure to subscribe to not miss new videos in the works!
Mine has a major stall while giving it throttle. Did it while driving. I’ve changed every part , coil,distributor, tps. Fuel does creep below 60 under throttle. I’m using the sniper drop in tank fuel pump.
Sounds like you most likely need some tuning of the acceleration enrichment tables. If you purchased your system from us I'd be happy to help tune that, if not we have support options for tuning help here. www.efisystempro.com/fee-based-efi-system-technical-support
How in the f&@k do you do this? Do I have to put the SD card in a laptop or explain in detail how to accomplish this! Thank you , everybody not a computer guru man!!!!
This video was jut made as a UA-cam short which only allows the video to be 60 seconds long. Not near enough time to show the entire process. The configuration file needs to be downloaded to the SD card, then SD card put into a computer to load into the software. After applying the fix in the video, save back to the SD card and upload back to the ECU.
Does it have a built in pressure regulator?
The Sniper 2 does not have a built in regulator. Holley is really pushing the use of their OE tank modules with built in regulator and the retrofit module with built in regulator. It takes a very strong understanding of inline pumps to get those right and that is the main use of the internal regulator.
@@efisystempro would you recommend the holley sniper 2 master kit for my k5 blazer? Has a mild rebuilt chevy 350. Currently running a edelbrock avs2 which runs fine but have to fiddle around with the carburetor every time the temps change to much.
I have had trouble with mine from day 1. Now I have a external fuel regulator and took out the fuel reg in the back. and put a adjustable secondary linkage on it witch helped but it coughs and sputters some times. It has been two years of fu$%#% with this thing . I am ready to go back to a carb. What to try next HELP🤠 ME
Can the new pdm be used with the original snipers?
Yes, there is nothing proprietary about the PDM. It can even be used with the Terminator X.
You know what’s inside garbage!! Holley was no help!! Had to send mine back because of rfi interference car kept cutting out while driving
Interesting video… do you have a video for fine tuning these systems. Mine works good, drivability is good. The only issue I have is cold starting, it tends to pump too much initial fuel and floods it a lot. Once it’s been running awhile though it starts up easily with no issues. I would like to see a video explaining how to tweek these so they don’t run too rich/ lean, initial fuel when starting etc.. any suggestions would be appreciated
Thanks for the info, the music is like torture when attempting to listen.
Hopefully the info makes up for the music. It is tough to find something for the background to help the video flow but not be too distracting. We are always working on improving things.
Does it control fans through the ECU/app? I have a 550hp '69 427 BBC I'm wanting to put a modern EOD and electric fans in. I'd love to take the guess work out of it all.
The Sniper 2 can control 2 fans and can be setup with the touchscreen, optional phone app or computer software. There is an add on module coming soon to control 4 speed electronic transmissions like the E40D
mine after a wot pull it will go from 3% to -15 a couple times then after that it loses signal to the ecm it says on the screen im lost on what going on.
Sounds like there is an interference issue going on. It could be a bad TPS as well, but that is much less common
Hello I recently installed a holley snipper efi on my boat engine. Today I took it out for the first-time sea trial. The problem I ran into was when trying to reverse boat off trailer then shifting back to neutral, my engine styled out almost each time. It does this rather shifting forward or backwards. Do you know what's causing this.
Contrary to the Holley marketing, these systems are not is "self tuning" as they say on cars, even more on boats. Boats require more specialized tuning. That is something we can help with using our level 1 or level 2 support. www.efisystempro.com/fee-based-efi-system-technical-support
Scott, have the same symptoms but tps is not adjustable it’s the magnet type. What’s the fix then?
What system are you working with? All of the Holley systems have basically the same TPS.
Do any of you in the comments know if the super sniper with 4 injectors can be converted to an 8 injector? To reach the 1250hp rating. Thanks all.!
The ECU does not have the capability to run 8 injectors when it started as a 4 injector system. You can run much higher flowing injectors though. We have 220 lb/hr injectors that drop right in for $88.15 each. That would get you even more fuel flow than you would get with 8x 100 lb/hr injectors.
What is rhe cross reference for the tps sensor. I know iac is dodge coolant in chevy lookinv for a tps that i can buy at sutozone or nearby autoparts store
TH191 is what you can tell the local parts store to get a replacement sensor.
On a ford with the distributor in the front, where are most people mounting the box and the sniper coil, as it’s not a canister? Thanks
Most Ford guys put the ignition box and coil on one of the inner fenders. Not the best place cosmetically, but best for interference.
I have the sniper ignition box, do I need to use the coil driver?
The ignition box is a coil driver, so there is no need for an additional coil driver. The best way to think of an ignition box or coil driver is that it is just a relay for the coil. The ECU can't handle the load alone for the coil, so the ignition box handles the load and the ECU just triggers the ignition box.
Can Holley super sniper 4 injector. Can be upgraded to 8 injectors ?
Unfortunately that is not possible. The ECU does not have enough injector drivers. It is possible to put higher flowing injectors in though. ua-cam.com/video/BA5KhXAf2eU/v-deo.html
ok thanks . Then can a 8 injector ECU could be installed ?
I have a stealth maxwith 4 injectors. Plan on 600 to the wheels with a turbo. Will the 120 support that
Yes, the 120 lb/hr injectors will support 750-800 HP no problem.