Bronco Holley Sniper EFI Self-Tuning Kit Shiny Finish Installation
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- Опубликовано: 22 авг 2024
- Freddy shows you how to install a Holley Shiny Finish Sniper EFI Self-Tuning Kit on your carbureted engine equipped Bronco.
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Invigorate your ride with this modern upgrade that enhances the operation and capability of your carbureted engine equipped Bronco! This bolt-on replacement is a straightforward install that won’t take you all day. Also, you won’t require the use of a laptop with Holley’s streamlined calibration wizard! This direct-fit replacement is an essential improvement for drivers who're looking for better idling, overall performance, and for those who never again want to worry about altitude, changing out the jets, cold starts, and chokes!
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You really should talk about the other prep work that needs to be performed before attempting to install a Sniper EFI setup. You have to make sure your engine (vacuum leaks), charging (sufficient volts generated), exhaust (no leaks, and welded on O2 sensor bung), and ignition systems (resistor plugs, high quality plug wires), are all sorted out before starting a Sniper install. This is a critical prelude.
Just a quick tip that worked for me on drilling a gas tank. Put a magnet from an ATF pan behind your hole while you drill it, catches all the metal shavings.
Thank you for the great tip.
Super video on the Holley Sniper EFI, Installation. It was very educational & clean job. Now I feel the confidence to install my own !! Greetings from the United Kingdom & East Africa. Many thanks !!😊
The return line could go into the filler tube or hose. Not below fuel level ideally.
Any rinsing of fuel tanks must be done with boiling water.
This guy knows just enough to get in trouble.
Can you elaborate on what he did wrong?
That Bronco is sweet. We rescued a 72 and are getting it back on the road at Fire It Up Garage. Thanks for the video.
Thats great to hear i will check out the build.
One thing about the design having the ECU built into the unit is that the heatsoak the aluminum body will exhibit will cause the ECU to break down from thermal breakdown as their other ECU's like the Dominator and TerminatorX cant be near an engines heatsource like headders etc so the design should go through a design change placing the ECU in a remote location...I also think making the throttle body out of composite plastic would of been a better way to go as composite pastic doesnt act like a heatsink like dense billet aluminum does
Is the background music necessary? A distraction
Great video but buy some Unibit Step Drills, they make a better hole in thin stock. That EFI is what I plan to use in my last hot car.
I find this guy wasteful...it is good procedure in this video...but wasting a perfectly good electric fuel pump got my goomie...this Bronco had a lot of nice mods to it...no denying that...good job however...
I would be quite ashamed of how the pre-filter and new fuel pump were mounted. A fault liability if ever I saw it. There was a huge bracket to play with to plan a much neater and safer installation. If this were to be used off-road then there is a major chance of the pump/prefilter combination being ripped off when snagged by a tree branch or such like... and lets not go into the planning of cable runs, no shortening or neatening up, no tidy up of throttle positioning sensor cable, nothing nicely tucked out of the way using p-clamps or the like. A bit of a bish bash bosh job. Glad I think about these things a bit more when building PC's! Greetings from Scotland by the way!
Alternatively, you can drop a couple chunks of dry ice in the tank and let sit for 20 minutes. Fills tank with CO2 and prevents fire hazard.
I think it'd make more sense to install a T before the fuel pump for the return. It would be easier, all the fuel would do is re-circulate through the pump and back again.
The fuel would over heat can possibly fail the fuel pump, the fuel needs to return to the tank to cool off.
>imagine being this tarded
A number of things done that were questionable to say the least. #1 is the fuel pump should have been wired into the pump driver wire from the FI unit, this is a safety concern, as fault or failure of the fuel injection system would kill the pump so high pressure fuel isn't sprayed out. #2 is the improper cleaning of the tank of metal shavings, relying on the inline filter to catch injector damaging particles is not a good idea, especially since the tank was down and could have been easily cleaned.#3 is that the start up procedure in the installation directions wasn't completely followed, at least you didn't show all the steps. The final step before starting is to perform a test to make sure all sensors were operating properly, which you didn't say to do or show that you did it. A few other smaller issues also, but those three were most important. And, FYI, the reason for fuel injection hose clamps is that they are smooth so they don't damage the outer hose cover, not for any superior clamping force. The other big thing that I forgot to mention was that you put teflon tape on the fittings in the fuel pump, and they are supposed to be installed DRY and they should have a gasket to seal them!
One item was the O ring for the tank pick up pump...Gaskacinch that bastard...it seals and holds...gaskacinch for every threaded piece...eliminating leakage and fire hazzard... pleeeze...
should have cleaned that body connection for the ground next to fuel pump for better connections.
when the tank fuel level is low that fuel return is gonna make some foamy fuel! mmm like a latte
Great informational video
Thank you for watching
To Swap the Bronco OEM Carburetor you need:
Holley Sniper 550-511K - Holley Sniper EFI Self-Tuning Fuel Injection Systems;
New air cleaner
Fragola Performance Systems 483106-BL - Fragola Performance Systems Fuel Cell Bulkheads
Are this the only parts you need?
Great video. Nice start to finish tutorial on the install and I really appreciate the section on how to make/install the fuel return line. I was thinking of purchasing the FI Tech 3003 system but after watching this video, I am going with the Holley.
Awesome! We're glad this video was able to help you out, thanks for watching! :D
good video, just the music, the looping was driving me nuts! at one point, I had to mute the video and switch on the CC....
Noted!
I really enjoyed how you broke that down im intimidated with fuel injection the electronics but I have a 1971 C10 Chevy pickup with a 1971 Cadillac 500 engine 1995 Chevy Dually bed but the duelly flares are filled with some 31inch or so tubbed out tires this truck looks like a 10 second truck but its a total highway cruiser a highway monster but my point is this truck was a total resto 18 years ago and we've owned it for over 15 years but it needs to be updated its a great truck vintage air the caddy taillights no bumper rollpans and billit grills really great done trk but im lost with whats in that motor i didn't build it i no caddy high performance parts were never cheap and easy to get especially 20 years ago but it has a aluminum intake headers sounds like it has a cam im sure with all the other stuff MSD but i figured if i went with the throttle body it would adjust whatever combos in the motor to run its best 1 question is that holly unit just say my motor needed a 850 cfm wich i hope not would that unit provide it another thing I no how important with today's fuelinjection is your O2 sensors so wouldn't 2 O2s be better or is this not the unit for my situation either way you really opened my eyes up to its not a nothing job buts its not what i thought i really want to start putting LS engines in all these old cars my father and i have has theyd be perfect but like the throttle body i dont like wiring i wish u made a video like that one for GM LS installs anyway sorry for the long comment i wanted u to no what im dealing with and comment on how good of a job u did to break it down thanks again
Thank you very much we really appreciate it!
A .Super video on the Holley Sniper EFI,its was very educational,clean job.now i feel the confidence to recommendation instal my Dodge Ram charger 1978 v_ 318 cumi boite auto (what type of kit HOLLEY SHINY SNIPER EFi for my dodge instead of the carburetor great have nice day
Great service thanks
Our pleasure!
I have one of these ordered from you guys,would of been nice if you had expained in this video where you get the 12v source as there appears to be nowhere on my 75 ford that provides a good 12v source during run and crank on the key resulting in an extra switch to turn it on before i can use the key to start :(
That information in this video would be far more useful than the unnecessary music in the background distracting everybody.
No problem using a dual plane intake?
I would recommend a single plane intake for this system.
I've seen issues with this in other installs. Two solutions. 1. Trim the wall/divider down by an 1" to 1.5". or 2. Install a spacer.
Did anyone else cringe when he cut the fuel pump wires so close to the old, perfectly good pump?
My car with carb and electric fuel pump.. Has an oil pressure sensor.. If I loose oil pressure it shuts the electric fuel pump off...
Oh and it seemed rather stupid to me to cut the wires off on the old fuel pump so short you can't use it on another project ..
Did he say he wants to do a reach around?
Any idea on the idea of how much airflow I will need for a 460/429 with cobra style heads? And mabye which efi kit you would suggest.
well this particular kit is only rated up to 600hp but i would recommend this kit or if you are making a lot of HP the 1250 kit
www.cjponyparts.com/holley-super-sniper-efi-4150-self-tuning-kit-650hp-with-black-finish/p/HSEFI4/
@@CJClassicTrucks thank you, mostly looking for a daily, but the original heads flowed poorly and made 200hp
@@zragevii4705 then the 600hp kit is what you want.
@@CJClassicTrucks thank you very much
Is there a problem with putting the return line below the fuel level in the tank?
You really want the return near the top so that the pressure from the gravity of the gas does not restrict the return flow from the return line
Would you do a kit for a Kawasaki motorcycle twin carbs 500cc 1994. In case you do not deal with it do you know anywhere that I can find it. Thanks
Any reason why you can't run the return line into the filler neck?
The return line needs be below the level of fuel in the tank. Returning to the fill neck can aerate the fuel.
Yeah the wiring is probably simple but what about the settings on the hand held controller
Just put in the correct settings for your vehicle like I did at the end of the video, it's super quick and easy.
Does it allow for performance cams, heads, intake and exhaust components?
it makes you choose cam size then once it gets running it figures everything else out
This dude cracks me up. Lol
Great video! Learned a lot!
westrew63 thank you for watching.
Will these EFI work on a 1996 Chevy pickup with a 6 cylinder engine ?
this is a 302 engine?
Yup!
I recently purchased a car and it already had a holly EFI kit on it. I think they have it wired to the solenoid. Is that ok or should I re run it to the battery?
Thinking I'm going with this on my 79 Chevy but it's s step side wonder if I should do away with the tanks and put a bigger tank in the middle of the frame on the back of truck.
Just some food for thought, but you could look into the fuel tank for the K5 Blazer from that same body style. The tank is as you describe, sits at the back, between the frame rails. They either come in 25 gallon or 31 gallon options.
I recommend the sniper system also i would install the k5 blazer tank works very well in the C10's
Wish he would have dynoed the engine first with a 4 bbl carb, for comparison............. :(
The actual gain on this is only smooth transition at altitude...the EFI eliminates the need to re adjust the engine and carb st 6,000 feet up...as far as horsepower gain...minimal if that...
Typically you dont see much change in power compared to a well tuned and correct size carb. What you do see is better driveability, quicker starts and less maintenance tuning etc.
@@cuzz63 out of curiosity, will it also provide a slightly better power curve? As in, a more rounded curve with it getting a higher average power, but still the about the same peak power.
@@zragevii4705 the dyno pulls I have seen the torque and HP is smoother. Cant say about higher average but thats logical.
what happen to the post fuel filter?
I see you took out the temperature sending unit, where did it go? or does the harness for the sniper have a gauge output?
Thanks.
There is a temperature gauge built into the EFI unit and you can monitor it with the screen, but we relocated our temperature sending unit for our aftermarket gauge to another port in the intake manifold.
if you have a regular HEI distributor where would the yellow wire go that you hook to the negative side of the coil and do you have to set other settings like icu numbers, maf numbers etc? THANKS
There are a couple different ways to wire the EFI system depending on your setup, instructions comes with the kit that show you how to wire it up depending on your setup, it's pretty easy. Thanks for watching!
If someone was changing over from shitty 80s efi in an 88 model f series to this, would you have to run a fuel return or could you use the stock one? I’ve put enough time and money into troubleshooting that garbage and I’m looking to try something else and this is a potential solution I came across.
Why did you cut the wires so short on the old pump.... Keep Wrenching Brotha!!
Because we no longer need the pump and wanted more wire for the new pump, thanks for watching!
lose the music and your brake booster should not be T'd in to constant vacuum leak/ pcv valve.
I agree when he said t it i cringed. When the brakes dont work and the bronco crashes this will be exhibit one.
I love that music! What's that group's name? It's awesome!
Hello im Julian i own a coupe mustang 5.0 Holley 600cfm all stock , but i live in Calif my conccerd is it smog legal?. Serveral years ago i was running problem that i keep replacing 3 times on Holleys for new one's then went over to have them rebuilt since they don't make these 6oocfm anymore. I was looking toward dumping out the whole engine to complete EFI engine. But that a whole lot of money,This might help me alot Holley Sniper,oh i'am running a small MSD Coil, but no modul brain box
I would recommend the holley sniper it should help with smog compared to a carburetor also better fuel mileage with better performance.
I'm interested in the fuel tank itself. Is it a stock bronco tank. I have a 73 f100 with Jaguar XJS irs suspension .
I need to get a rear mounted tank like this one. Will it fit my truck. Mine was in the next frame space forward. Which it taken up by my irs rear suspension.
Where can I buy that tank?
CJPony parts?
Hi brother. Just a question. Does EFIs just fit exactly (bolt holes, opening diameter, etc) where the carburetor is removed from ANY engine? In other words, are carburetors sizes and mounting standard like house hold mains sockets? I do ask because I have watched a number of videos on how to swap carbs to efi and I have find none that warns on the mounting fittings or adopters or anything of that kind. I want to change my 1991 suzuki vitara carb to efi. hence I have been trying to learn how to. Thanks in advance
I'm not an expert... but I do believe they are standard holes for a 4 barrel carburetor, I would assume if you can fit any carburetor this system should fit... like I said, I'm no expert, but I believe that is correct
Does the fuel pump run 100% of the time? Or does it shut off when the regulator shows full pressure?
when the engine is running the pump is running all the time.
I have a 90 F-250 with a 460 that I would like to put this kit on, but for the return lines, how would that work with dual tanks? It has the old EEC-IV FI right now.
That's tough the only way to tap into the return line is in the engine bay or right after the fuel tank selector and make a new line. I have a 88 and I took out both tanks then installed a 38 gallon factory tank
@@CJClassicTrucks I wish I could do that, but the 38 gallon tanks apparently only fit 89 and older.
AURktman don’t know of it’s too late, but get a selector valve from a later model truck that has factory efi. It’ll have spots for supply and return lines
does the switched 12 volt have to be to its own source? cause i just bought mine and i have no ignition wires by themselves, so is it ok to splice into another switched 12v?
It's highly recommended the switched 12v be its own source. If you don't have a dedicated wire available you can wire in a relay to a switched circuit. You would wire in the "switch" part of the relay to the switched 12v source, then wire the "power" part of the relay to the battery. Hope that helps!
alright thanks, i didnt even think about doing it that way. BTW great vid
Love those valve covers where did they come from
came with the crate engine
Is that a factory gas tank for the bronco? I'm planning on putting a rear gas tank on my s10 where the spare tire goes and I like the design of that tank.
yes it is a factory gas tank
@@CJClassicTrucks ok thanks.
Can you install this efi with factory wiring harness?
Yes the harness for sniper is just for engine control you will still need your cab and chassis wiring for lights, guages, climate control, etc.
do i need to run a inline fuse with that fuel pump relay or is there one already built in ?
I would run the appropriate fuse for your fuel pump just to be safe. Thanks for watching!
It was so funny when he dropped the coil nut and the nut in the tank I died!!! Also the fuel pump supply wire was there for a reason that's what the relay is for geez it's not rocket science I know it's hard for a man to do but read instructions
The best video , thank you
Thank you for watching
The dual-plane manifolds don't play well with EFI.
correct for these efi setups you will need to run a single plan intake.
@@CJClassicTrucks ...or cut away an inch of the center plane
@@talon0863 i have tried that already on my personal vehicle did not work that well.
Where did you come up with your 12-volt ignition source on the bronco?
There was actually a 12v auxiliary wire already ran that was unused that I used for the ignition source.
What if you have an MSD HEI distributor with the coil built in?
There are a couple different ways to wire the EFI system depending on your setup, instructions comes with the kit that show you how to wire it up depending on your setup, it's pretty easy. Thanks for watching!
Very helpful. Thanks
Thanks!
Nothing about fuel tank venting?
Where did you tap into for the ignition source
You dont get the full potential of the sniper, mounted on a dualport intake. Best solution is a single intake.
Will this kit work with a 351 with aluminum heads and big car HCI basically
yes it will
Will this work for a 1977 Ford ranger truck 360 or 390 ????
yes it will
"Connect the EFI to a 12 volt power source, it can't be connected to anything else."
Where the fudge do I just "find" a 12v power source? That could have been explained a little bit better.
The battery so the voltage does not spike the computer
any concern of the drill shavings left in exhaust when drilling for the o2 sensor?
There's nothing crucial down stream for shaving to damage, and the drilling wasn't done close to the exhaust ports on the head so there really isn't any concern, thanks for watching!
H Smith no
If you wanted to do it right you would take off the header and drill it off the truck.
I just installed my sniper EFI on my 69 mustang and the hand held LCD is saying it cannot connect to the ECU and I can't find anything on this matter online
Contact Holleys tech support, they should be able to help you out.
Do you know the part number for the fuel return kit
great video. who is that playing in the background music. i think i know them,but would like to know for certain. Once again,Great video.
who makes those push together fuel line fittings, part # ?
The fuel fittings came with the Holley fuel system kit we used www.cjponyparts.com/holley-efi-fuel-system-kit-for-terminator-efi/p/FP57/
Where did you guys get that air cleaner?
noah here is the link
www.cjponyparts.com/ford-performance-air-cleaner-13-round-black-with-red-ford-racing-logo/p/AC33/
haha "fuel injection hoseclamps" lolololol
Yes, fuel injection hose clamps, traditional worm style clamps don't have the same amount of clamping force.
Kinda funny. You guys used the obviously wrong type of throttle cable bracket
Will the fuel return line work T into the small rubber over flow line next to the filler hose? it is on top of tank and No Metal drilling .
no because you have the chance of aerating the fuel in the tank and the chance of cavitating the fuel pump
just did mine today 5/28/17 There is A TICK TICK TICK Like A BBQ or Stove Ignitor what is that? is it normal? its magnified inside the cab of my tuck even though its Dyna matted and Carpeted does it get less as I adjust the unit? I only left it on a few minutes have not gotten to 160 yet temp wise I'm checking for leaks or other Associated or even non associated wires I might have pulled off or tweaked while changing over to the Sniper on my C10 Chevy 350 V8 I hope that Tick sound goes away or I plan on getting rid of it otherwise I will go nuts 1000 bucks PLUS down the Drain if this turns out to be junk God I hope not.
Where exactly is the tick coming from?
The Holley guys just got back to me they say its the Injectors Pulsing. And Its Normal. It goes away as I accelerate I will add more Dyna mat. So I dont here it inside the cab as I hear it now I think it is due to the one inch spacer and then I have A 1/2 Inch Air Cleaner Spacer so it sits a little hi but I have A Lot of under hood space on my truck...But yes I am removing they say the Spacer is no longer needed Its those Black Pheno/Plastic Spacers I was having Fuel vapor Lock up before. Also I could not get the Temp past 146 SO I have to add the 180 Temp Thermostat.
What thermostat do you have in there now?
180 degree no problems and we have had some hi heat over hear sits at 170 now most of the time never goes past 180 182 in heavy traffic
dont you need a psi regulator?
If you are referring to a fuel pressure regulator, it's built into the EFI unit.
Gas tanks can be dangerous. There was some gas and lots of fumes in this tank. Drilling metal can cause sparks. The two don't mix well. There are appropriate ways to work on fuel tanks and this is not one of them.
Why not start with the price? $1000 + work :))
Whats difference to the Terminator EFI?
The Sniper uses a non adjustable fuel pressure regulator and the throttle body flows 800 cfm compared to 950 for the Terminator.
The biggest difference is the terminator uses a separate ECU box which is quite large. The sniper has the ECU built into the throttle body.
If you are not running a drag car or over 1000 hp "that being said because there are kits to make the sniper go up to 1,000 up but out of box it's ready for about 600 to 650 hp" there is no reason for any more then the sniper.
The Terminator will be back. The sniper, maybe not.
Take out the music... smh
What carb replace is Best ? Holly sniper, FiTech will run timing will Holly ??
Also Edelbrock
i would recommend the holley sniper
Music sucks. Screw drive to loosen the nut on the sending unit? Not safe
Why is this man using a drill bit made for wood?
Can we use for blow throu turbo ???
Holley sells a kit for blow through application.
Sadly from 2030 on all combustion cars including classics will be banned
from public streets in entire EU and Scandinavia :-( In Germany the
Green Peoples Party gave order to shorten fuel supply from 2025 on by
reducing all conventional fuel stations to only one state operated
central gas station per city or county. Now they even want to slow down
all the gas pumps from 20 litre per minute to 2 litre per minute...From
2027 on in the EU certain car spare parts will be banned too....as
exhaust systems, turbo chargers and even some engine and gearbox
oils...California and New York will do the same from 2027 on.... So no
investments should be done in oil burning cars any longer....They even
created a new kind of crime here, called emissions and smoke crime. Called "Bundesabgasbespaßungsverbotsverordnung" in German.... :-/((
The hose you used is 50psi max,, 60psi fuel pressure. And yes efi hose is different and beware of cheap chinese hose. Or any cheap hose! That externally braided hose used to the throttle body is almost certainly going to fail! As does all the pretty bullshit externally braided hose.
EFI pumps should have a relay as well, ideally even 6lb Holley pumps as well. It saves them from failing.
The return line really should be a steel pipe, rubber hose should only be used as a joiner and with ethanol blend fuels has about a 2 year life,,,, ask how I know!!
The braided hose we used was very high quality fuel injection hose rated for 350psi, not regular fuel hose. The EFI pump has a relay, it's mounted on the firewall, it was previously installed for the pump that was removed in the video. For the return line we used what Holley recommended and gave us. Thanks for watching.
sry chief, u got nothing on bill, lol.
I bet that system costs north of 1k
correct it does and its worth the money very easy to install and very reliable
Will this work with force induction?
holley sniper offers a system for force induction.
Tell them to drain the fuel BEFORE you start drilling....
Good informative video with hideous idiotic music playing on background ..........
Always being shown on a single fuel tank set up, never once has anyone bothered to show a install on trucks with duel fuel tanks. Seriously though if you love that Bronco take care of that rust.
everything is the same you just need to connect the pressure in and out at the tank change section to make it all work. i was working on doing that on my 88 f150 but converted to a single 38gallon tank.
WTF!!! CRAFTSMAN TOOLS!!! DONT YA KNOW YOURE NOT PROFESSIONAL IF YOU DON’T HAVE SNAP-ON. JK BTW. I LOVE HARBOR FREIGHT.
lol i agree snap on is nice but harbor freight does the same job taking nuts and bolts off :)
Come put mine in..lol
I've never seen some one waste so much time dropping at tank and putting a return in.
Good video horrible music.
1000 DOLLAR NO WAY
frits duwel huh? A good carburetor for a high performance application cost more than that. $1000 ain’t shit in hot rodding
It's expensive, but considering what it does, what it's for, and what it's going on, that's nothing. Chump change in the hotrod world.