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Holley Sniper 2 EFI: Your Complete Installation Guide To Sniper 2
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- Опубликовано: 15 авг 2024
- Visit our Holley.com configurator to shop now and see the latest available features - www.holley.com...
The #1 EFI conversion just got better. Thanks to Sniper 2 converting to EFI just got a whole lot easier. Sniper 2 is a brand new design from the ground up. We kept some of the tried and true features from the original Sniper, like our Self Tuning capability and the easy to use calibration wizard, while improving on virtually everything else. In this video, we walk you through choosing the Sniper 2 EFI kit for your needs, unboxing, and finally, a complete installation guide
00:00 - Intro
00:04 - Overview
01:16 - Kit Builder
04:58 - Unboxing
08:18 - Preparing For Installation
08:57 - Installation
14:21 - Wiring
18:04 - Ignition System
20:24 - 6 Pin Input/Output Harness
20:46 - Interface Options
22:00 - Start Up & Wizard
29:50 - First Drive
Sniper 2 Support
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As a gen1 owner, sure seems like a lot of "things we probably should have done the first time"
Agreed
Yes sir. Only issue I've had is I had to readjust the butterflies as they were sticking when cold. I'm guessing the new "better throttle response linkage" was to fix this common problem. The CANbus connectors are a bit of a pain but I wish they would've stuck with it. I have it all set up with a Y-splitter to a laptop USB connector in my console. Sucks i'd have to change it all if I ever upgraded. I guess I could go the bluetooth module route and just use my phone instead of the 3.5" display and then bluetooth to my laptop as well.
@@Shantzonpoint yeah, same with lots of people buying the extended linkage to fix the stiff opening under vacuum.
My thoughts exactly, I wonder if they are going to offer a trade in trade up for the new unit. Especially since I had to send mine back twice for loose injector connections. Oh and I also purchased the $ throttle adapter.
That comes with every engineering. I’m glad they fixed these issues.
I had just bought my sniper 1st generation .... few days later, you guys started to sell the new generation, almost with same price.
Me too! wish they would provide some sort of upgrade/trade in deal. Mine is still in the box.
If you bought it from summit they have a 90 day return.
Watching these videos really makes me want to get going on my current project or to start the foxbody build id like to do...
This video is great for when I do my Holley Sniper 2 install on Ford 429 big block. Can't wait to see how it performs!
Based on all the concerns gen 1 owners express and the lack of support to upgrade them to gen 2 the jury is out to purchase this system. It’s a shame Holley does not step up to support customers who support them.
Almost nothing is these days. When a new phone or car comes out you don't get an upgrade because you supported a company, you're stuck with the old model. It's just capitalism.
I’ll come right out and say it, the Holley ProJection was just plain better. It had better instructions, and the controls were analogue. It just worked.
Hope u provide Delphi sensors that read accurately
Does it have ability to supply oil pressure to the 5" dash, with the additon of the transducer of course?
Is the ECU still potted in a jb weld type substance? Are the throttle shafts bushed and sealed now?
On the Sniper 2,
There are two Adjustments screws with green springs around them.
I really want to know what each screw adjusts?
Like the front one (towards the front of the turck) adjusts _____ ?
And the rear most one is for adjusting the _____________________?
I want to see the Xflow 1375 capabilities with Sniper 2 and e85 compatibility. This way on can take a non-LS and go four figure hp with boost and a simple system. For example...a 351w(or stroker) with aluminum heads and single plane, a Vortec 5700 or 7400, Ford 429/460, PSI 8.8/ Vortec 8.1, Mopar LA/Magnum, B or RB, Ford 240/300, Mopar Slant/Hemi six, AMC 4.0, 232/258, Gen 1/2/3 Hemi, Buick 300/340/350/400/430/455, Rover 215/4.0,4.2,4.6, Olds 350/400/425/455, Cad 429/477/500, AMC 304/360/390/401, Godzilla 6.8/7.3
How do I use the 2 wire magnetic pickup with a cdi box and use timing co trol with it?
Before I bite the bullet and get this to replace my problematic "Gen 1" sniper, ima wait for the bugs to get worked out.
Years of development that has included nearly 5000 hours of test stand run time, extensive thermal testing that included temperature sweeps between -40C and 200C, and thousands of real-world miles on a variety of engine platforms
@@HolleyPerformanceToo bad you didn't do that the first time before all of us spent $1300 on your original junk Sniper.
Thank you for going into more detail on the tuning process. This is helpful for Gen 1 as well. Any plans on an upgrade program? Trade in your gen 1 for half off of gen 2? Also will the new bluetooth adapter work with the gen1 with a harness adapter?
No current plan for an upgrade program. Bluetooth module will first be available for Sniper 2, potentially Sniper 1 later.
I've got a 64 f-100 with the original fuel tank that doesn't have a return line i read i can use the sending unit in the tank that mounts on top of the tank can i use my sending unit or should i buy a new one from holley.
I have a 347 Stroker motor with a Weiand 174 Super Charger. I'm excited about the Sniper 2.
I have 3 questions:
1. The fuel system option offers a Universal Returnless Drop in Module, so would an EFI Fuel Tank Module PN's 12-305 or 12-375 work with 5/16 inlet (The MUSCLE CAR EFI MODULES;) then would you duel feed the Sniper or cap off one of fuel connections?
2. Page 18 and 19 of the Quick Start Guide show the wiring harness (PN 558-191, and 558-190)(non PDM harness, and PDM harness) using 14ga wire to power the fuel pump; What amperage is the circuit limited to?
3.What would be the wiring diagram for a Pertronix distributor on the PDM, and non PDM harness with a CD box?
I'm just doing homework research to know what issues I'd be up against. Have a Hot Rod day 😊
Is there going to be a sniper 2 2300 2brl
I want to buy this whole kit with distributor fuel pump everything for me as my Christmas
I'll wait a year b4 I attempt to buy the Sniper 2.... just to make sure there are no issues with it.
Years of development that has included nearly 5000 hours of test stand run time, extensive thermal testing that included temperature sweeps between -40C and 200C, and thousands of real-world miles on a variety of engine platforms
I have a 94 Chevy Truck with Throttle Body now. If I instal Spier 2, will I need a new manifold?
🏆 i need on for a 350 Oldsmobile motor 1972 cutlass. Keep up the great work and this video
You should send 1 of them to replace the gen 1 garbage I bought that never worked and yall refused to fix. That would be a good business move !!!!!! 1💁
Sold mine after years of frustration! and was told I needed to add a lot of extra grounds and shielding for the wires. Mine was in a 4 speed and was told not to engine brake as it confuses the computer and would either die when you push in the clutch or lose iac counts and take off.
They should definitely do a trade in program
Yes, Gen 1 had issues, just like Terminator X. We had our tuner turn everything off once we got it to where it needed to be. We blew out 3 O2 sensors because of over fueling. I think this version should work very well, but long overdue.
Can't beat a good old carburetor.
Y'all should definitely do a quick vid on how to replace/integrate factory computer controlled/fuel injection with this kind of system.
What kind of vehicle you working on? Im doing this now and depending on your car it might be alot easier than u think
How does this differ from the Atomic 2 EFI system from 2021?
Will this work with twin carb replacement
When you select system type there is no sniper 2 option so idk why everything keeps saying that.
Just picked up a rig with a sniper but the display is disabled. Can’t adjust the settings. If y’all can help lemme know.
Can you run two together, with a 6/71 blower. Zoomie exhaust, so none of them come together, could only pick up one on the o2 sensor. Lastly would it work with the Holley efi standalone?
Where is the bluetooth module available?
Awesom Holley
Can i run a holley sniper 2 without ignition timing control while having a locked out distributor ie 32 degrees of timing all the time ?
hope they give it a update to make it easier to tune a rotary with it.
holley can you please provide some more information on the 4 speed transmission controller mentioned in the video
@HolleyPerformance ???
Sniper Trans Control will be announced at a later date. It was teased in the video
I just bought mine and there was no option for the 5 inch screen or the wireless
They released the S2, before the fancy options were available, they might be out by now? (mid June 2024) Anyone know for sure?
Hi, just installing a sniper 2, can I plumb the pcv valve into the front of the sniper 2 where the bung is, and also would it be better to run the ignition feed directly from the battery via a relay from the ignition to ensure a good 12volt supply
Holley update a video on how to install the latest software for this.
Great video. Stock 289 65 Mustang a friend wants to run this on, mechanical secondaries with an auto and 800 cfm sounds like a bad combination. Is this a problem that will create a bog from a stop? Stock gears. Any input appreciated.
What's the best CFM for this little engine with this combination?
The cfm with fuel injection is not a problem with fuel injection because its forcibly injecting the fuel where carburetor it does matter because you need a metering signal ie air speed for the carburetor to work properly
@@cmkmd Thanks for the input. I see what you mean on the fuel side but would think velocity would drop to little or nothing creating the bog.
600 to 650 would be more than enough for this engine I would've thought.
@@cmkmd exactly! .. That's why it runs 60 PSI for fuel.
Holley, does it support E85?
E85 support is not currently supported with Sniper 2
@@HolleyPerformance thanks for replying. I’m assuming the original Sniper does not support E85 then either. Is it due to the injectors and seals not being ethanol compatible, or is it not rated to flow enough ethanol to hit the HP rating?
@@jb91300e all of the above
I have a 1952 ford with no return spot on my fuel tank. Do you have to have a return line on the Sniper 2?
There is no "initial start up" on the 5" screen for sniper 2
Does the 4500 have vacuum ports ?
Hi! Will there be a controller for the 545rfe transmission coming soon with the sniper or terminator x ?
Will this bolt on a 318 5.2 mopar magnum engine
Will this work on an older jeep with an amc v8???
Are you guys going to make a dual quad version of the Sniper 2?
Not currently planned
I need something I can put in a 78 t-bird with a 351w factory 2 barrelfor a 80 year old guy. I want him to get in turn the key and drive.
Take a look at - www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/sniper_1-_and_2-barrel_systems/sniper_efi_2300_2bbl/
If you put a 4bbl intake on you can use this Sniper 2.
Waiting on the 5in screen to order
Is there a sniper 2 for forced induction?
Sniper 2 EFI supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors
Does this system work in marine applications like the sniper 1?
When should we expect super sniper 2 for root style blowers?
No current plans
Lol, not an upgrade for people over 650 hp then. I'll keep my super sniper.
@@91m I assume they figure anyone who's running a Roots, can make the snuper 1 work just as good if not better.
Is there going to be a Sniper Stealth 2 coming out?
Not currently planned
FYI: I talked to Holley today and was informed that the Sniper 2 IS NOT compatible with a DRAW thru supercharger. PUSH thru- yes. So my Weiand 174 supercharger won't work. This is nowhere in the Sniper 2 information.
🚒👍 when will the super sniper 2 be available? I have a supercharged small block Chevy with a Detroit roots blower. 👍
Electronic does not like heat ! That's why the military, corporation's and telecommunication companies servers are chilled room .
What digitals displays are supported by the Sniper 2? All the ones I found on the website say they do not.
Website shows current and future availability
Checked everything over and everything looks good fired right up but tries to idle at 2000 rpm then 6 or so seconds later dies??
Having the same issue. Any solution you’ve figured out?
Tried to contact their support?
Question: If I’m running the sniper efi 2 with a Holley drop in sniper efi fuel pump (fuel cell). Do I still need the external pressure regulator?
Yes you still need a pressure regulator
Depends on which fuel cell pump module you select. We offer return and returnless versions. If you purchase a returnless module, a regulator is not required.
I just received my Sniper 2 upgrade kit (after investing almost $3000 Canadian on a total failure and struggle with a Sniper for the past two years (in for a penny, in for a pound) and the thing arrived (direct from Holley) with no fittings for the fuel pressure regulator and now I see in this video that it needs a pressure gauge on the regulator? Really?!?
A lot of people just use their shop gauge for setup, and don't run a fuel pressure gauge constantly.
@@MikeBaxterABC I was told by a Holley Tech that one of the first things you should check when looking into running issues is fuel pressure so I need to know what it is at all times.
Will work the Holley Sniper on 4 cylinder engine ?
Sniper 2 EFI is designed to fit 4150 flange intake manifolds. If that is what you currently run, then yes!
Is there a sniper available, with more than 800 cfm ?
Some guys are running a pair of Sniper 1's
Nothing but the 3 1/2 inch option available on the website :(
Does the EFI 2 work on a 1993 c1500 5.7?
Any carb style intake in an SBC.
The back order wait times in Australia are turning ppl away, my mate included.
Sniper 2s are in stock and ready to ship!
Will, I need Holleys distributor for this application or can I go without it and run my MSD distributor
You can still retain your current MSD distributor.
@@HolleyPerformance will it still have a the same tuning capabilities?
@@HolleyPerformancewill I be able to control the spark timing with the msd distributor still ?
If you watch the entire video, it goes through all of your questions.
Going by the video you can run the msd distributor but it will not control timing which is a blow to me as I run the full msd including the 6 AL box to control timing on my sniper 1 . @@rcmafia4990
still .. Sniper 2 EFI Software
Sniper EFI Software/Installer v2 Build:12 - Windows Vista,7,8,10 Compatible.
Aren't these technically TBI?
Yes
Dud is talking 90 mph wow slow down and just make the video longer
You have to make some fuel lines those lines on the side looks ugly
Be advised... This video is an extreme oversimplification of a Sniper 2 install.
Holley should really offer an exchange program for all of us that spent good money on the original, junk Sniper 1 if they hope to have future repeat customers. This thing is a complete piece of garbage. How about like a 75% off coupon and we can mail you back the old piece of trash Sniper we got screwed on.