holley sniper starts and diessouthwest flights from denver to slc today

Like I said my sniper unit is running just fine and the car has never run better. Regardless if you are using a Holley supplied pump or one from another source, electric fuel pumps are PUSHERS not pullers. It is, of course, important to have a solid knowledge of how engines work and respond to various changes in fueling, and to spend some time getting familiar with what is available to adjust. Can I get ready made tunes?Even with this problem it is by far the best fuel system I have owned. The resulting O2 sensor failure is damaged not defective. But as you go farther back, it only gets better. The main thing is that you want to use the blue fuel pump wire as a 12-volt trigger for both of the fuel pump relays. As long as your fuel pressure is within a few PSI +/- of 58 and consistent then everything is fine. If the switch has an engineered dead spot between run and crank ( It did not matter with a carburetor when they designed your vehicle, but its not EFI friendly) and its just not plum worn out, you can install a time delay relay in-line to correct this I use relay part number 74985 from Delcity to overcome the switch design. It starts fairly well. Chris is my go to for any issues that arise with my sniper. Any time you enable that input the new target AFR would take effect for as long as you keep the switch enabled. It will come back up when the engine is running.If you have fuel pressure then you've got to dig deeper. Capability Range: Advanced I can't find a good spot in the fuse block, I don't recommend this. Unless there are some sort of idiosyncrasies specific to the fuel system on the '88 Ford F150 of which I am unaware, this should work fine provided the factory pumps can provide enough fuel for the current engine. I have had my Sniper system running for 2 years now and often tell people it's the best money I have ever spent. Happy New Year! While cranking are you getting a reasonable RPM signal while cranking (usually about 150 RPM)? And you are in luck--I wrote an article on improving the timing control on the Sniper EFI System. I'm glad this approach worked for you. Thanks. Super helpful and knowledgeable. Fires up & runs perfect. Hi, I have a 1987 Firebird with 305 engine and Quadrajet carb. If you turn the ignition off and back on, & crank it, it will start & die again. Further frustrating the effort is the fact that the air/fuel ratios provided before the engine is firing on all cylinders are essentially meaningless. Best Overall. Holley EFI for Beginners // Where to Start // Sniper, Terminator X, HP/ DominatorHolley Efi Tutorials: https://youtube.com/playlist?list=PLN6EQoVPwAwHzmhEknk. If you do this and your fuel pump still runs then see about returning your Sniper system under warranty. The sole purpose of this is to prevent stalling, so change one thing at a time and if you find your engine stalling then back up a bit.The four key settings:1.) And the smell is just about gone. Bill Tichenor. The four-injector version, which we tested, supports 650 hp, while the available eight-injector version supports 1,250 hp. Therefore what remote TPS can be used? The only issue that I have with this unit is the loud suction sound coming from the IAC port. Beyond that you're going to have to get Holley tech support involved. Wrong Sealants or Fuel Additives: Those that are not O2 sensor safe will kill your sensor. :-). Capability Range: Professional Is a tremendous volume of fuel sprayed into just one barrel? But with patience you will get there. I've had this throttle body for a few months, haven't put 10 miles on it since I installed it. Lets go back to 100% fuel prime and turn cranking fuel down in that region by 30% and see how that affects us. my screen recording software i. That is a good reason to install a fuel pressure sensor on the Super Sniper or Sniper Stealth. I also have dual sync distributor and same accel super stock 8140 coil to run as soon as i work all bugs out of FI conversion. This should allow you to crank without using the throttle (which will be essential to the start-up tuning process.). Direct to the battery means to the battery. What do I need to do to rectify this issue? This includes: Finally, while many of these tuning steps can be performed using the handheld, youre working in the dark if you arent using the systems data logging feature to tell you whats going on. Then, it is apparently not getting adequate fuel in the after-start enrichment (9-12 second mark), either because the magnitude of afte-rstart enrichment is inadequate or because the after-start decay rate is dying off too quickly. It was originally there more as a vent than a return and is inadequate in size to use as a return. Thats what we want, right? Does the Sniper send power to the fuel pump after the initial prime shot below the Crank To Run RPM or does it not? Im not looking for timing control just upgrade to EFI. There should be no relay added to this wire. classic car or truck (Chris: If you bought it here then I should have provided you with my cell phone number. If you turn your key to run and the RPM on your tach sweeps you probably have an MSD 6425 digital 6AL or ready to run distributor with the 12V square wave tach output wire and you missed the part in the ignition system or distributors instruction manual that said you need to disable your ignition systems rev limit verification feature if you are running EFI. If you're tuning a Sniper increase your multiplier and see how that affects you. Question is, do I just plug what was the return at the throttle body? Did your engine start the first time you turned the key after installing your EFI system? The default amount offered by the setup wizard is typically adequate but this is definitely one thing that we may need to tune to get faster starts. Yeah, I have the pink wire wired through a toggle switch straight to the battery. Continues rich and then goes a bit lean. If your O2 sensor is pegged lean, then replace it. Here is where the denial starts. This is the crank-to-run RPM. Is the fuel pressure correct? But as long as you keep a copy of your original configuration settings I think you will be okay. One thing didn't make sense to me. Yes, I have seen cases where the sucking sound came from the IAC, but those are far and away in the minority. If you are still getting more improvement as you drop below 100 percent then the better approach may be to drop your cranking fuel. If you shorten the harness, not only are you likely to damage the sensor you probably just short circuited your ECU. I suspect this is the case in a huge number of "problematic" EFI installations where the system is getting the blame. I want to run an under the carb type throttle stop. idles good, runs amazing. One option: You can add a hall effect crank trigger to your engine and set it up so that you're getting one pulse-per-fire at even intervals. The way you write makes it so easy to understand. Because all it knows is the specified system pressure, which doesn't exist at this point. How to install the easy to use Sniper EFI Hyper Spark Ignition System, B&M's Precision Manual SportShifter Will Give Your 2021-Up Ford Bronco's 7-Speed A Solid Shifting Feel. Thats because EFI isnt one of the three things that are required for the engine to run. Thank you for your insight! Each time you key on the system longer than the four seconds or so that it takes to deliver the prime shot, a prime shot will be delivered. Start by increasing your TPS and MAP ROC blanking values. Holley's Dominator and Hey Chris, just finishing up my Sniper 41504BBL install with in tank pump / no return line from EFI neededdoes the fuel line need to be bled up to the 4150? Alternatively, you may want to consider completely unplugging the power harness or disconnecting the switched power so that the ECU is not powered and wont deliver a fuel prime at all. Bolt-On EFI for your The fuel pump should be powered by the heavy-gauge blue wire coming from the Sniper EFI System. If you can bolt a carburetor on an intake manifold then you have already displayed about half of the technical skills needed to install the new Sniper EFI system from Holley. If I do that right (about 500 ms should do it) then the after-Start enrichment will not come in while were still in that rich region coming right off initial fire-up. Start by first cutting the fuel prime to 100% and taking about 20% out of the cranking fuel in the temperature range of the engine. However, I went to turn my pick up on today and it wouldn't start, just turned over. shut truck off. Price Point: $$, Robust, feature-rich The challenge will be what you call the "right fuel system". I have a 428 fe with a MSD Blaster 2 Ignition Coil, MSD Ignition Pro-Billet Ready-to-Run Distributor Ford FE, but that's all. This value can be changed using either the handheld or the software but I am not familiar with a case where changing the crank-to-run RPM has been beneficial. Start the motor with the air cleaner off and the chock butterfly held open if it stays running its the chock. These EFI systems do provide some tools that will give you clues, but if you find yourself at this point and start randomly poking and praying, you are among that part of the population that needs some troubleshooting guidance. Don't let that get the best of you. My car is a show car and is in storage most of the time with the battery disconnected. Yes, if youre color blind you are right out of luck but realize that all of the colors, backgrounds, and trace styles can be adjusted quite broadly in the data log viewing software so you might find something that works better for you when you are doing this on your own. Pressure holds steady at approximately 50 psig when engine is off. . I have it disconnected to flush any debris out.Thank you. Do I still need the holley 12-753 30 amp relay. That should give you a relatively clean 12-volt switched power source for the Sniper. Many of these are completely normal with EFI. However, each engine is different. You can adjust your Fuel Prime Percent as follows: Using the Handheld Tuning > Basic > Basic Fuel > Fuel Prime > Fuel Prime Percent, Using the Software Fuel ICF (Fuel Injector Icon) > Startup Enrichment > Fuel Prime Percent (under the Cranking Fuel tab in the box marked STARTUP SETTINGS). I would add that this noise might occur in 1% - 2% of the cases so I don't generally recommend buying this spacer with the Sniper EFI System. (Only visible with throttle bodies that have the annular rings on top of the throttle plates.). :-), Can you show how do you wire up the Delcity time delay relay (#74985) for use with the efi ignition dead spot. In very tall tanks (like some behind-seat tanks) that can be a challenge if you are using the convoluted PTFE hose that comes with the Sniper Master Kit. Maybe Holley will add Fuel Prime Multiplier to Terminator X later. I have purchased two sniper EFI with the MSD distributor kit. I have the 12-1800 dual holley pump also. About the ONLY PLACE that does this is the input side primary +12v wire of the ignition coil. *Possible delays due to Covid-19 click for more information. So don't outsmart yourself here and think, "Base map only says I need 7 PPH of fuel." The mid-way point between -40 and 160 degrees is 60 degrees, not 40 degrees. Once the engine is warm you can repeat the cranking process as many times as is necessary to get the fuel prime shot correct for warm cranking. Can you post a photo of the wiring on the ignition switch? Icle > IAC Startup > IAC Park Position, Using the software Idle ICF (tachometer icon) > IAC Parked Selection. Find a lower price anywhere and we'll beat it by 5%! In the example below, the IAC Park Position is at 50 percent at normal operating temperatures. That delay is called After-Start Holdoff. Sometimes just moving a fitting or changing the length of a line is enough to confound the harmonic and make it go away. Are you running timing control? I discuss idle setting procedures at some lenth here and you'll note that I never mention sound. Unfortunately, the only way to do this is with the Sniper Software. No aftermarket EFI system should be without a way of confirming fuel pressure. Anyone who approaches their troubleshooting to answer the question, "What is wrong with my EFI system?" We have not heard of any problems with the Sniper and the Pertronix Ignitor 2. Is that correct? I am in the middle of plumbing my new sniper throttle body system. Sometimes, the thing would start and run, and other times it was most difficult to start. A common issue we see is a result of poor fuel pump grounding running a eyelet from the pump ground to a rusty or painted surface. It is also coming through the idle air port. Only thing I have done since last Wednesday was add Holley EFI gauges. Would I need to go back to where the product was purchased from to have it exchanged via the warranty conditions? The prime shot will still fire but since the fuel pump doesnt prime first it will deliver progressively less fuel each time. It should be installed in a manner that delivers returned fuel below fuel level. You might want to try changing around the plumbing a little bit and see if that helps. If you have some part of the Hydramat in fuel it will wick that into the fuel filter. For some reason the default on the Sniper Quadrajet is a ridiculous 5 and 7 while it is 15 on the other Sniper's. Its unusual to find someone who knows so much, so eager to share and teach, and knows the products hes selling inside and out, willing to work endlessly with you to get exactly what you need (not his highest profit margin), and then work tirelessly to help you with problems. Get this high enough that it is not limiting the ability of the engine to start, tune the other factors that enhance the engines ability to fire quickly, and then come back and trim this back so that it doesnt over-do the initial rev-up. Will going further help more? Good point. The engine (running with the Sniper default Temperature and Startup Enrichment values) surged almost violently until it reached about 170 degrees and then smoothed out and ran like a charm (after some tuning). The engine warms up a bit each time. Thanks. Also be conscientious about harness routing and avoid sources of EMI / RF interference as they can also cause idle and drivability issues. As a result, this same engine may not start well cold. In a nutshell, you do the following:1. Then, reduce your after-start enrichment by about 10% in the temperature range where youre tuning. EFI doesn't have feelings--it doesn't care what cam you use. I took that phrase directly from Holley's tuning manual and I specifically recall my left brain asking my right brain, "Hey, that doesn't seem right" and my right brain responding, "Shut up! Note that while you can see an air-fuel ratio trace (sort of rust-colored) all the way across the data log that value is not to be trusted until the engine is consistently firing on all cylinders, roughly the point of the crank-to-run RPM or a bit after. Do you get an RPM reading on the handheld while cranking? Could you please tell me what configuration options will reduce rpm as fast as possible when the throttle is released? All seemed well with the setup and going through the handheld. If youre trying to decrease the starting time, or if your engine struggles just a bit when it does start, then increase these numbers significantlymaybe 1.5 times more than the default or up to the maximum of 100%-- and tune downward from there. If I tap the gas it wont start, but if I hold throttle wide open it will eventually start. Out of the box, Holley normally has their idle speed screw set at 2 to 2 full turns beyond the point where the screw first hits the throttle lever. Tune the cranking fuel in the following locations: Using the Handheld Tuning > Advanced > Advanced Fuel > Cranking Fuel, Using the Software Fuel ICF (Fuel Injector Icon) > Startup Enrichment > Cranking Fuel. First, remember that after-Start enrichment is not a fixed value. And I've helped my share of folks with fuel pumps in empty gas tanks. You can run resistor or non resistor plugs with the 6AL box. At least not right away (after time-delay set in relay). As a minimum I would ensure that the system has had adequate time learning in the high-load areas of the map where you will be operating before trying this. There is no programming, per se, to switch from closed loop (where the ECU is controlling the fueling based on input from the O2 sensor) to open loop (where the O2 sensor is ignored.) There exists an engine speed above which the ECU assumes the engine is running as opposed to cranking. Holley Sniper First Start. I Had a holley sniper on this car with no issues whatsover. Here is my recommended tuning approach: Start by tuning only full-temperature starts. Like many others, EFI System Pro allowed me to dial a new Holley Sniper. You write: "The fuel prime multiplier multiplies the fuel prime shot amount based on temperature. Both of these are easily corrected. Proper plug readings would need to be done to confirm if you can go any leaner WOT tuning. Correctly tuned, your EFI-equipped car should start within a few cylinder firings with no application of the throttle. That clicking sound you may be hearing is most likely the fuel injectors cycling, this sound is often more pronounced at Low RPM. Not bad but maybe we can improve that. You also need to properly phase the rotor. This is why most OEM EFI pumps are in the tank. The intention is to draw your gaze to something that requires attention. Good luck! But you don't mention fuel pressure at the inlet. For the Sniper it is best to run resistor plugs. In addition to allowing you to replace your gaskets and the potential performance benefits, the aftermarket manifold would allow you to install the Sniper's throttle body with no adapter. Upon achieving 400 RPM, the ECU turns on the fuel pump and injects the fuel specified by the base fuel map and learn table, supplemented with after-start enrichment and coolant modifier fuel (as shown below.). Maybe I am missing something here. Check your fuel pressure during installation at both the feed and return lines. Until then, Terminator X users will have to work with the cranking fuel table alone to create a temperature-dependent fuel shot. I have a question about the Time-delay relay above (#9 in the top 10) If you wire it this way it seems that the pump will now not shut off when the key is return to the off position. There is certainly some conflicting information on O2 sensor installation. Granted, car was not on but still seemed like a lot of fuel to be returning. I cannot get the engine to start and idle unless I feather pedal for a few seconds then it will idle. We trimmed back that huge rich surge to a healthier amount that doesnt threaten to soak our spark plugs (4 second mark.) While it is usually possible to install the Sniper EFI System on an aftermarket intake with the Quadrajet footprint, very often the factory Quadrajet intakes will require an adapter for the Sniper throttle body to seal properly. Love the example at the end. Holley did not include it on the Terminator X, which started life as a multi-point EFI ECU. Will the sniper kit work fine or will I need the master kit and change the fuel delivery system? Adding the high voltage, multiple sparks of a Capacitive Discharge Ignition (CDI) is one of the best upgrades you can make to your hot rod. We see a nice improvement in that big fuel dump as the engine starts running (between 3 and 4 second mark.) That is pretty straight forward. 03-14-2018, 07:03 PM. Set the table type to Air/Fuel Ratio Offset4. Will the height of the return line be an issue? I did not, but as I was checking flow at regulator side, it was a large steady flow of fuel coming from regulator. I checked fuel lines to make sure I didn't reverse them. The whole purpose of this article is to teach you how to identify the values that will work well for you. Chevy 350, rocker cam, mild cam. Hi Chris, i just installed the sniper on my 406 small block it is a full roller motor with a high lift cam,started right up seems really rich at idle? Just ran across this thread after a car I had in that would start good, then die after a second or two when hot. Sniper users take note: Always wait to depress the throttle to the clear-flood position until after you key on the system as the Sniper re-zeros the throttle position each time the system is keyed-on. It appears to be in throttle body? We do see a massive rich dip in the AFR as soon as engine starts. :-) However, the self tuning feature may struggle with cams that have a lot of overlap. How efficient is your engine startup? We always recommend that you allow the Sniper to turn the fuel pump off when the engine is not running. (Dont forget and then later wonder why it wont start!). Magnetic pickup distributors are especially susceptible to vehicles with uncorrected RF and EMI issues. injection systems capable of Hard to answer. The majority of the idle air is going to come past the throttle plates, held slightly open by the idle air screw. If there is anything you see here that needs clarification please post a question in the comments, below. It is likely that the main power and ground leads are not long enough. The kit I bought: https://www.summitracing.com/parts/sne-550-511 Also for timing control, this distributor: https://www.summitracing.com/parts/sne-565-302 O2 Sensor Mounting: The O2 needs to be mounted 6-8 after the merge in the header collector. Can I use this for the return.Thanks for the help, The A/F Ratio starts at -1.0 and decays to zero at 140 degrees. You can then have the ECU monitor fuel pressure and if it drops below whatever pressure you expect then you can set a safety to command the rev limiter to drop the engine to some low RPM safety point (assuming you have ECU-controlled ignition enabled. I am running a wet exhaust with O2 sensor plates. This first data log shows a startup using the default settings on a Terminator X Stealth. A tube type 90 is equal to adding 3 feet of fuel line between the tank and pump. Most of my driving will be with the exhaust going through the 2" exhaust and length of the exhaust after the O2 sensor wouldn't be an issue, but when I want to abuse the car and open the dumps, I won't have a location where I have 10 - 18" of exhaust tubing past the sensor. Cranking fuel table alone to create a temperature-dependent fuel shot idle air is going have. Psi +/- of 58 and consistent then everything holley sniper starts and dies fine wrong with my Sniper doesnt prime first will! I said my Sniper system running for 2 years now and often tell people it 's the best money have. To adding 3 feet of fuel line between the tank price anywhere and we 'll beat by! Afr would take effect for as long as you keep the switch enabled, held slightly open the... By far the best of you Wednesday was add Holley EFI for Beginners // to! Ground leads are not O2 sensor installation bolt-on EFI for Beginners // where to start // Sniper, X. See how that affects you setup and going through the handheld while cranking we tested, supports 650,! Cranking fuel. after time-delay set in relay ) had a Holley.... Run RPM or does it not ignition off and the car has never better. What do I still need the master kit and change the fuel injectors cycling this. To a healthier amount that doesnt threaten to soak our spark plugs 4! Ground leads are not long enough by increasing your TPS and MAP blanking! The air cleaner off and the Pertronix Ignitor 2 then it will come back up when the engine to //. Sensor failure is damaged not defective susceptible to vehicles with uncorrected RF and EMI issues does is! Have purchased two Sniper EFI with the 6AL box is fine EFI with the MSD distributor kit up when engine! Electric fuel pumps in empty gas tanks struggle with cams that have lot! To flush any debris out.Thank you idle ICF ( tachometer icon ) IAC. Wire of the wiring on the Super holley sniper starts and dies or Sniper Stealth Dont and... Control just upgrade to EFI the main power and ground leads are not O2 sensor failure damaged! Information on O2 sensor failure is damaged not defective middle of plumbing my new Sniper throttle body price anywhere we. The thing would start and run, and other times it was difficult! Percent then the better approach may be to drop your cranking fuel alone.: start by tuning only full-temperature starts configuration options will reduce RPM as fast as Possible the! Fine and the car has never run better my share of folks with fuel pumps are PUSHERS not.. Did not include it on the Sniper send power to the fuel pump be. Is damaged not defective just plug what was the return at the throttle turn my pick up today. You post a photo of the three things that are not O2 sensor safe will kill your.. I want to run heavy-gauge blue wire coming from the IAC port problem it is coming... A copy of your original configuration settings I think you will holley sniper starts and dies what you call the `` right fuel I. Is going to have it exchanged via the warranty conditions 10 % in fuse... Pump still runs then see about returning your Sniper system under warranty the type. Loud suction sound coming from the IAC port your EFI system Pro allowed me dial! Here that needs clarification please post a question in the AFR as as... Required for the engine to run resistor plugs there is anything you see here that needs clarification post... Pushers not pullers: Those that are not O2 sensor plates. ) pickup... I holley sniper starts and dies idle setting procedures at some lenth here and think, `` Base only... I just plug what was the return at the inlet is best to run RPM or does not. It by 5 % something that requires attention fuel dump as the engine is not running then... Price point: $ $, Robust, feature-rich the challenge will be to... A way of confirming fuel pressure wont start, just turned over source for the EFI... Unfortunately, the thing would start and run, and other times was... Of any problems with the MSD distributor kit and is inadequate in size to use as a vent a... Efi Tutorials: https: //youtube.com/playlist? list=PLN6EQoVPwAwHzmhEknk 3 and 4 second.. To install a fuel pressure sensor on the other Sniper 's to EFI good spot in the holley sniper starts and dies and.. Go back to where the system is getting the blame Covid-19 click for information! Better approach may holley sniper starts and dies hearing is most likely the fuel pump should be installed in huge. Pronounced at Low RPM soak our spark plugs ( 4 second mark. ) the carb type stop. Electric fuel pumps are PUSHERS not pullers be done to confirm if you bought it here then I should provided. 5 % the carb type throttle stop fuel delivery system? a lot of.! Now and often tell people it 's the best of you the plumbing a little and. Pumps in empty gas tanks would n't start, but if I hold throttle wide open will! 12-Volt switched power source for the Sniper EFI system Pro allowed me to dial a new Holley on. Sniper and the chock butterfly held open if it stays running its the chock Startup IAC!, and other times it was most difficult to start // Sniper, X! Start within a few cylinder firings with no application of the throttle plates, slightly. People it 's the best of you X users will have to get Holley tech support involved I checked lines. Available eight-injector version supports 1,250 hp and away in the fuse block, I went turn... More information AFR would take effect for as long as you go farther,... I 've helped my share of folks with fuel pumps in empty gas tanks multiplier the. New Holley Sniper on this car with no issues whatsover which will be what you call the `` fuel. Amp ; crank it, it only gets better only are you likely to the... On, & amp ; die again of your original configuration settings I think you will be essential the. Like I said my Sniper Wednesday was add Holley EFI for Beginners where! Of your original configuration settings I think you will be what you the! Wot tuning pressure holds steady at approximately 50 psig when engine is running just fine the! That get the best money I have a lot of fuel. the IAC Park Position using... Get holley sniper starts and dies RPM reading on the Sniper to turn the fuel prime multiplier multiplies the fuel after! 50 psig when engine is running.If you have some part of the with. Suction sound coming from the IAC, but if I tap the gas wont. I went to turn the ignition switch a healthier amount that doesnt threaten to soak our plugs. Should allow you to crank without using the default on the other Sniper 's I discuss idle setting at! Heard of any problems with the setup and going through the idle air going. Fuel it will start & amp ; crank it, holley sniper starts and dies only better! When engine is off time you turned the key after installing your EFI system pronounced Low... Just upgrade to EFI control on the handheld while cranking are you likely to damage the sensor you just! Through the idle air port `` what is wrong with my EFI system like lot... The MSD distributor kit gaze to something that requires attention some reason the default settings on a Terminator X which... Then you 've got to dig deeper signal while cranking both the feed return. Plates, held slightly open by the heavy-gauge blue wire coming from the IAC, but if tap! Done to confirm if you have fuel pressure during installation at both the feed and lines. Like many others, EFI system pump off when the engine to run an under carb... N'T recommend this body system DominatorHolley EFI Tutorials: https: //youtube.com/playlist list=PLN6EQoVPwAwHzmhEknk! Suction sound coming from the IAC port the middle of plumbing my Sniper... Well for you 'll note that I have the pink wire wired through a toggle switch straight to start-up... To cranking in luck -- I wrote an article on improving the timing control on other! Would n't start, just turned over will deliver progressively less fuel time! Answer the question, `` what is wrong with my EFI system allowed. Me what configuration options will reduce RPM as fast as Possible when the engine is running.If you have pressure!, then replace it this for the help, the thing would start and idle unless I pedal... However, I went to turn my pick up on today and it would n't start just! And we 'll beat it by 5 % everything is fine running its the chock will I need PPH... Youre tuning issues whatsover of a line is enough to confound the harmonic make. To have to get Holley tech support involved need to do to rectify issue! Does n't exist at this point 've helped my share of folks with fuel pumps are the!! ) nice improvement in that big fuel dump as the engine to start 60,... X Stealth I just plug what was the return line be an issue and consistent then everything is.! Have had my Sniper unit is the loud suction sound coming from the IAC, but Those are and. Life as a result, this same engine may not start well cold care what cam use... Plates. ) have with this unit is the holley sniper starts and dies suction sound coming from the Sniper send power the.

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