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Holley sniper efi idle adjustment?
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Holley sniper efi idle adjustment?
I read the instructions to wait for the engine to reach above 160°F and then adjust idle. One cam is 261°/265° @. Alter the ignition timing. ) Startup IAC Position - Hold & Decay Time: 15 seconds (Less is typically better than more. The idle quality must be well tuned before adjusting these two parameters. There were two issues I found with the throttle linkage on my Sniper. Jul 24, 2012 · Increasing the idle RPM provides a smoother idle. Car has GM HEI distributor, the vacuum advance port is capped, and the Sniper is not handling the ignition timing. I'd adjust IAC Hold Position & Idle Control Enable RPM, increase time or delay. Anyway, happy with Holley service Like 201 posts. Seriously, anything else is a screw up (or two other words I can't use here). Idle AFR With Big Camshaft? 07-13-2021, 12:13 PM RMF fixed, exhaust leaks fixed, 60 psi, external regulator, 500 miles of Learn applied (several times - manual smooth), Sniper starting to run well050, 10/1 CR Fuel flow is determined by RPM, MAP, and the WBO2 reading. Try depressing the throttle past 60% which activates the "Clear Flood" feature. Seriously, anything else is a screw up (or two other words I can't use here). Holley Sniper EFI Quick Start Manual: IDLE SETTING/THROTTLE BLADE SETTING Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard While adjusting the idle speed screw, if the TPS Position begins to read higher than 0%, cycling the ignition switch will recalibrate the TPS back to zero Atomic EFI MSD. My question involves the timing settings. Also the connector for the CAN Bus cable was bound near plug wires. Place SD card in PC that has Sniper EFI Software on it. Back in September Holley helped me with an idle issue I had. Typically, Holley's idle strategy for the the IAC set to "Sniper" works well. The unit will not go into Learn mode during idle. I'vebeen working on this thing it feels like forever I finally reached an extremely helpful Holley tech who looked at his sample Sniper and said, "OMG, I guess the don't open all the way. Within 2-feet of sending unit is recommended. ) Sniper EFI users select "Sniper TBI" RPM Above Idle To Start Ramp:. 1000 RPM (Or higher. If the WBO2 reading is noisy or incorrect (as yours is in some portions of the datalog) the Sniper will increase fuel flow. Lots of businesses use techniques like SEO and social media mark. I use a static timing value of 25° or 30°. Holley EFI If this is your first visit,. Adjusting IAC Hold Position. But you must also adjust your MAP scale. The manual says: "This is the position the IAC motor will “hold” or “freeze” at when the TPS moves above idle (when TPS becomes greater than 0%). ) Startup IAC Position - Hold & Decay Time: 15 seconds (Less is typically better than more The Help menu on the. This is a new engine, Sniper EFI & Dual Sync Distributor. - For cruise and idle situations a value of 140 (stoic) will be ideal. And then the vacuum advance jump to 33-34 at idle. Yes, but all injectors have a minimum pulse width below which they either don't function or are inconsistent. He said he would much prefer a bracket made specifically for the Sniper TBI unit. The following is an overview of the different types of adjustment screens that are used in the display, and that may be utilized when tuning or making selections Sniper Efi Monitor Idle Primarily intended for race engines that. Within 2-feet of sending unit is recommended. It's slotted, so install it in the same position. Using the correct length carb stud and nuts, tighten the Sniper EFI throttle body down progressively in a “criss-cross” pattern (60-80 in) Install the throttle linkage to the Sniper EFI throttle body. It then got up to around 2,700. This plug and play remote IAC kit utilizes the factory Sniper EFI wiring and IAC connector to relocate the IAC. The unit will not go into Learn mode during idle. I have my idle set at 750 and my IAC Position has been around 8-10%. Dec 8, 2020 · Tweet Manual transmission, idle adjustment. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. I broke in the cam on the new engine (SBC 400) with the sniper and dual sync, also with really no issues. This is an ideal situation for many applications where streetability or traction control is not an issue. To do this, open up the Initial Startup gauge screen that was used in section 17 Idle Tuning is a very important part of tuning any EFI system, especially our self-learning units like Sniper or Terminator X EFI. If I turn the car off and then Sniper EFI Software/Installer v1. Holley helped me get it to go to zero. It's built with CFD-designed inlet radii and an idle bypass valve, which allows for idle adjustments without altering the position of the throttle plates. The first issue we ran into was the internal FPR on the Sniper seemed to have an issue, was flooding the car bad, when it would prime the system it would spray A TON of fuel in the throttle body, we had an external regulator already setup so we just capped off the internal regulator and set pressure with the external one at 58 7) Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. 09-16-2021, 08:15 AM. it starts up decent but sometimes idle surges until its warmed up. Overview: The Holley Sniper EFI System comes shipped from the manufacturer with primary and secondary throttle plates that open at the same time. WARNING! This instruction manual must be read and fully understood before beginning installation. If the instructions. When your car idles, the engine and alternator run slowly. Just fired up my Sniper EFI and initially the idle was around 2,200. I recently finished my Factory Five Roadster and I'm running a Sniper on a Ford Racing 302 After I've driven the car and it's up to temperature, if I shut it off and wait 15 to 20 minutes, the idle surges badly upon startup. When I got back to the house today, it stalled when pulling into my driveway. This plug and play remote IAC kit utilizes the factory Sniper EFI wiring and IAC connector to relocate the IAC. I'm really trying to learn as much as I can about it. 5" Hi Flow V-Tex merge pipe with dual 2. One of the great features of Holley's Sniper is the ability to set your air/fuel ratio (AFR) where you want it. The IAC says 100% and this happens every time. Also check any other fittings/ports on the intake manifold to ensure no leaks. The pandemic has changed the way we go about many of our daily activities. Apr 26, 2019 · To do this, open up the Initial Startup gauge screen that was used in section 17 With the vehicle in neutral, adjust the idle screw until the IAC Position reads between 2 & 10%. I just installed a Sniper 2 into my '65 Mustang, and in general it's running fine. A cold engine shouldn't need 100% IAC Position. 05-20-2021, 01:06 AM I had the pleasure of troubleshooting a QuadraJet Sniper. If replacing the TPS, the TPS sensor is located at the end of the primary throttle shaft, opposite end of the throttle lever. (Coil, distributor, CD ignition box) with Holley's Sniper EFI. 5 target idle and MAT & CTS temps of 140°F as an example in the stock Holley Sniper tables. I is recommended, fuel pressure needs to be between 55-65 PSI. I got my tank, 255 LPH pump, straps, vent/rollover valve and sending shipped to my door for $540. 10-06-2023, 09:19 PM. We explore how each o. Engine idles with 11 inches of vacuum at target 750 RPM. From day one, I've been plagued with a situation where the car almost stalls when you come off the throttle (like pulling up to a stop sign). 470" forged steel crankshaft & H-beam rods, Wiseco 4. I find the most helpful datalog function, is overlaying the datalog on your Config File. The features of the software look good. In normal driving conditions, once the thermostat is open the fans are on. So the Sniper is doing everything it can to reduce the idle, but the car won't idle down. I figured I'd post a datalog and my current GCF tune on here to see if anyone can take a look when they get a chance and give me some pointers on how. Hello. Holley sniper efi Holley Sniper EFI Training Part 22: Idle Control Tuning walks you through how the idle control routine works within the Sniper system. I have both of mine set at 14:1 AFR for idle. Sniper EFI Software/Installer v1. Setting an Edelbrock carburetor to run efficiently is not a difficult thing to do. oregon city police activity today Communication Modes : Desc ription: The ECU and laptop communicate with each other via a USB-Can Dongle (part number 558-443) operations much be performed within the Holley EFI. The ideal combination is where the throttle blades flow a majority of the idle air with a small contribution from the IAC motor setting. Within the last quarter, Holle. timing at idle set to 26° (played around from 18° to 29°, seemed the smoothest at 26°) idle rpm set to 750 IAC runs from 0 to 3% (mostly around 0 but jumps up to around 3%) The idle seems to be a bit jumpy still (up to temp), so should I bump up the rpm to 850, adjust the. I've attached my Config File and a datalog file in hopes someone can point me. I figured I'd post a datalog and my current GCF tune on here to see if anyone can take a look when they get a chance and give me some pointers on how. Please be aware that this is a community forum. Trust Holley to offer replacement electronic sensors that meet and/or exceed OEM specifications for performance! Rough idle, missing, etc. '92 Ford Mustang GT: 385"/62 block, Eagle 3. With my idle screw cranked all the way up (highest idle) the lowest I can IAC Position is around 20%. We pack tons of different things into our schedules and then gloat about how busy we are. Lately though it's developed a strange surge at idle and light acceleration. I wanted to show everyone how I go about adjusting the. The CTS temp on the handheld hit 188° and my idle raised, the IAC hit 0 and the timing dropped to 7°. I use a static timing value of 25° or 30°. I read the instructions to wait for the engine to reach above 160°F and then adjust idle. It’s a full sized 12SI. I read the instructions to wait for the engine to reach above 160°F and then adjust idle. Sep 16, 2021 · High idle, not reaching 160°F. To prevent making changes to this tune, make a copy of this global folder, which is specific to your. 2) Tight pedal and having to use the extension. Your engine has a weird problem. I installed the Autolite 1100 on a 1960s four cylinder Volvo Penta marine engine. If so, then remove the tape and see if the IAC Position % functions normally or close to it. nataliexking Here are 10 tips for adjusting your small business strategies. Our Sniper was more than two years old and required a firmware update so that the entire Sniper system was using the latest updates Note it increases timing rather abruptly from idle at 15 degrees to. Mar 15, 2021 · So the issues I'm having is the IAC adjustment, and backfiring through the exhaust. 470" forged steel crankshaft & H-beam rods, Wiseco 4. A cold engine shouldn't need 100% IAC Position. This files contains SD Card Contents for Sniper 1 applications utilizing V1 Firmware. In accounting, a prepaid rent account is an asset if you are renting the property or a liability if you are the landlord. However, I still have a noticeable rich smell when at idle, despite the AFR reading 14 or so, which it is set at. 4) Double-click on the “496 650HP” (or other applicable engine) Global Folder. The RPM stays at about 1000-1100. Oct 3, 2021 · 10-04-2021, 05:23 PM. The Sniper EFI calibrates the TPS sensor at every key-on event. Chris's Idle Speed Adjustment Instructions: 1. I got it to 1st start a few days ago. composition notebook cover 04-10-2020, 02:25 PM. I have reset the IAC Position three. May 19, 2021 · The Sniper Stealth 4500 EFI system is modeled after the Gen III Dominator carburetor and uses the same mounting points for the air cleaner flange. I've checked all the usual suspects and even installed a new (IAC) engine. QuadraJet Sniper. Here are 10 tips for adjusting your small business strategies. This design includes a single Hall Effect sensor providing crankshaft speed to the ECU. It's time to move towards better fuel economy, increased performance and perfect cold starts. my screen recording software i. It's a full sized 12SI. From day one, I've been plagued with a situation where the car almost stalls when you come off the throttle (like pulling up to. Letting the clutch out it's either idle or violent power. Even Holley said either their tank or Tanks would work just fine. It's built with CFD-designed inlet radii and an idle bypass valve, which allows for idle adjustments without altering the position of the throttle plates. This simple lever alters the linkage geometry and slows down the rate of opening of the Sniper’s throttle blades. Inlet fuel pressure was 65 psi and outlet pressure was 4 psi. The Sniper EFI calibrates the TPS sensor at every key-on event. Seriously, anything else is a screw up (or two other words I can't use here). Tweet Progressive Linkage makes Sniper EFI WAAAY Better. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp. I’m running everything Holley HyperSpark. Learn how to set up and utilize this wireless control system, allowing you to tune your Sniper 2 EFI directly from your smartphone. Most distributors are driven by the camshaft through gears with a one-to-one ratio. You can hear it really sucking through the IAC port and I can hold my finger over the port which drops it right down to barely under commanded RPM idle.
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This video shows you how to set the initial startup idle or if you want to reset your Holley Sniper EFI and reset the idle as well. That allows the system to support between 800. 550-545 Black, & 550-546 Gold) 2 Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL Read this manual before using this product. I closed the secondary ports a little bit and then I got IAC at 8% and idling at 750 RPM. I wired the white/blue output wire to the green wire of the Vintage Air A/C dash controller (confirmed to have ground when A/C is in the on position). Like most boat owners on the forum, I'm having trouble reaching 160°F for the unit to learn. Using the handheld, navigate to Tuning > Basic > Basic Idle and ensure your target idle speed is set to the RPM you desire If you are using your Sniper EFI System to control timing, navigate to Tuning > Advanced > Advanced Idle > Idle Spark and ensure. '92 Ford Mustang GT: 385"/62 block, Eagle 3. Where should i start? Sniper QuadraJet Secondary Ports. Now, it fires up cold, idles fine until about 160°F when the Learning occurs. It's slotted, so install it in the same position. Checked the secondary plate and no binding, IAC is moving, however, will jump to 30 which I believe is a preset. There are several ways to make money renting out your car. Owners can adjust a Briggs and Stratton carburetor by adjusting the idle screw located underneath the air filter. Most mild performance engines should idle well at 700-800 RPM and most potent street performance. Nov 19, 2022 · Cold Idle. It has a built-in nitrous controller, for instance. Do you have a laptop and cable? With a race cam you need a laptop for tuning. This simple lever alters the linkage geometry and slows down the rate of opening of the Sniper’s throttle blades. For other situations, however, a throttle linkage setup that progressively opens the throttle blades, starting with the primaries, and then. are 2k20 servers still up New research looks at how alone time can spur rumination — a symptom of depression — in some people, but not others. •IAC NOTES:1) Adjust the idle speed screw on throttle body, to achieve an IAC Position of about 5% at hot idle. Adjusting a small engine carburetor is a simple job that involves adjustments to its idle speed and mixture settings. 030"), 292 Crane cam, Holley Dominator high rise intake, 700R4 transmission. Idle Down Issue. Got a base tune and it worked great for a while. The alternator provides enough electricity to charge the battery. The Sniper EFI calibrates the TPS sensor. I just noticed that fuel is drizzling in secondary ports in idle, is that. May 5, 2018 · Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. Learning how to set air mixture screws on Edelbrock carbs will give you the ability to adjust the. When we open the door and let go, it flies shut but then doesn't close all of the way?"To adjust a pneumatic door closer, either mo. Go back to idle and then stop the datalog. Turn the Closed Loop and Learn Limits back on at idle, turn off the 600 RPM limit for Closed Loop, and change the Target AFR in the idle area to 139. That's because it helps you to determine which tax bracket you are in. navigator This doesn't mean your engine has to idle at 1000 RPM, however, don't expect a race engine with a radical camshaft to idle at 700 RPM. With a blower, even a little one like the 142, idle surging is normal. May 19, 2021 · The Sniper Stealth 4500 EFI system is modeled after the Gen III Dominator carburetor and uses the same mounting points for the air cleaner flange. I wanted to ask this question on another thread, however, it was closed. 05-10-2021, 06:28 PM. 10-08-2020, 09:13 AM. If the CTS reads 10° or more higher than the MAT, the CTS is bad and needs to be replaced. The Super Sniper EFI unit can take care of numerous extra functions that the "extra goodies" racers like to install require. At the moment, I have Cranking Timing 10°, idle timing 13. 1) Turn the distributor or adjust the crank trigger to synchronize the initial (idle) timing, then lock it down. 07-31-2017, 10:46 PM. This is my first time posting here. I'm having problems with my Holley Sniper. Thanks to Sniper 2 converting to EFI just got a whole lot easier. That seems way too high. I have both of mine set at 14:1 AFR for idle. My terms are 80 & 90 I think. Where should i start? Sniper QuadraJet Secondary Ports. The Sniper EFI calibrates the TPS sensor at every key-on event. This is an ideal situation for many applications where streetability or traction control is not an issue. Idle surging is usually caused by a lean condition. hurdle usa today game We swapped out the carbs for the Holley Sniper and it works great! When I first turn it on it isles perfectly at about 1100 rpms, not sure if that's where it should be but it holds perfectly steady. adjustment, and repair. Every part of the Holley Sniper EFI Systen installation is a breeze but a few folks are challenged to get the idle rpm set correctly. Here are some tips!. Hopefully someone here with more experience can help me out. This plug and play remote IAC kit utilizes the factory Sniper EFI wiring and IAC connector to relocate the IAC. Within 2-feet of sending unit is recommended. This is done on my 1990 T. Do you have a problem with your Sniper EFI running too rich on cold startup? Join the discussion on Holley Performance Products Forums and get some tips from other users who have experienced similar issues. Throttle plates are too closed and IAC can't reach target RPM. There are several ways to make money renting out your car. Holley in-tank fuel pump. That seems way too high. e the complete fuel TOOLS REQUIRED F. Put the saved Configuration from SD card (in Saved GCF folder) in the Sniper EFI Config File Folder, this is in your Documents folder if the Sniper Software was installed in the default location. Do you have a problem with your Sniper EFI running too rich on cold startup? Join the discussion on Holley Performance Products Forums and get some tips from other users who have experienced similar issues. A 12SI alternator is a very old design and does not put out max amps when at idle, even if the idle RPM is correct. The Sniper tends to not like lower RPM idles, especially when there's a non-stock cam. I have programmed the A/C IAC Kick to 20%, but when I watch the IAC on the. Sniper EFI - V1 SD Card Contents. Sniper EFI Firmware Revision Log. Here are 10 tips for adjusting your small business strategies. 05-26-2024, 11:26 AM. Holley recommends making sure the Sniper EFI software is kept up to date, especially when updating to a new, computer-controlled ignition.
It's slotted, so install it in the same position. An actuarial adjustment is a factor used to adjust your pension payments from a retirement plan if you decide to begin receiving your payments before or after the plan's normal ret. That's where it seemed happiest and made the most steady vacuum of about 7-8 inHg. Feb 14, 2024 · The second-generation design of the system, called Sniper 2, is built on the core concepts of the original Sniper, but with key technological updates throughout – many of which were brought into the fold based on customer feedback. Why go all-in on the fuel system and not have an intelligent ignition system that can maximize the benefits of the conversion as well? Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL WARNING! Read this manual before using this product. I’d been having issues with my sniper’s secondaries sticking after the car is warmed up from driving. facial compelation This is 160°F in stock trim. With select intake manifolds, the distributor housing and IAC valve on the back of the Sniper EFI throttle body are fighting for the same real estate. Idle, Cruise & WOT say "notAvail". 470" forged steel crankshaft & H-beam rods, Wiseco 4. Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. A cold engine shouldn't need 100% IAC Position. We pack tons of different things into our schedules and then gloat about how busy we are. ohsaa basketball mechanics exam If replacing the TPS, the TPS sensor is located at the end of the primary throttle shaft, opposite end of the throttle lever. Wile testing my new windstar fan set up the can got to 200* and when it did the IAC started acting up. Dec 11, 2016 · It was about $40 - $50 cheaper than the Holley Sniper fuel tank and looked to be the same thing. The new generation of alternators, like the AD144 are designed to put out a lot more amps at idle. When starting cold do all the temperature enrichment values add to change the A/F from the normal idle Target A/F Ratio? Taking 13. lumber 4x4 timing at idle set to 26° (played around from 18° to 29°, seemed the smoothest at 26°) idle rpm set to 750 IAC runs from 0 to 3% (mostly around 0 but jumps up to around 3%) The idle seems to be a bit jumpy still (up to temp), so should I bump up the rpm to 850, adjust the. Advertisement Retirement An adjustment disorder is a short-term condition that happens when you have trouble coping with stressful life changes Adjustment disorder is a group of symptom. Baer Brakes baer classic series brake kits. I just installed a Sniper 2 into my '65 Mustang, and in general it's running fine. Remember to perform another TPS Autoset, whenever you adjust the idle speed screw on the throttle body. Parents especially have had to make major adjustments, as most have gone from working commuters to Wanda asks, "We recently installed a storm door. Do you have a problem with your Sniper EFI running too rich on cold startup? Join the discussion on Holley Performance Products Forums and get some tips from other users who have experienced similar issues.
In accounting, a prepaid rent account is an asset if you are renting the property or a liability if you are the landlord. Sniper 2 Quickstart Guide. May 19, 2021 · The Sniper Stealth 4500 EFI system is modeled after the Gen III Dominator carburetor and uses the same mounting points for the air cleaner flange. On cold startup I have to hold my foot on the throttle to keep the engine running, target idle is 1100 RPM and the actual idle is about 500 or 600. I use a static timing value of 25° or 30°. If it won't run at a fast idle then you either have a spark problem or a fuel problem. Holley Sniper EFI First Start Up & Setting the IAC adjustmentIn the first video I showed you how to install the complete Holley sniper EFI sytem including th. When do we lock up young offenders and throw out the keys forever? The US. Holley EFI; Sniper EFI; If this is your first visit, be sure to check out the FAQ by clicking the link above. You must adjust the account at the end of each payment per. It's a full sized 12SI. This is very close to the settings in the Sniper EFI manual, just a slightly lower on temperature for both Fan #1 & Fan #2. Then yesterday I went to start the car after sitting for a week and it would barely idle ~500-600 RPM. Mar 14, 2023 · The Sniper EFI calibrates the TPS sensor. To adjust the carburetor on Poulan chainsaws, clean the air filter and the spark arrestor, and adjust the adjustment screws marked T, L and H to set the idle and engine speed In order to adjust the carburetor on a Honda Elite 80, the jet and idle screws need to be precisely turned until the engine runs correctly. Dec 8, 2020 · Tweet Manual transmission, idle adjustment. Holley came out with the Sniper EFI 4150 not long ago, and it made quite a splash. 4) Random high RPM and idle down issue. I also adjusted the tune and changed the coolant temp enrichment to -40°F (150%) to 140°F (103%), the Air/Fuel Ratio Offset is 1 (140°F) and After Start Enrichment to 0° (200%) -160°F (112%). Where should i start? Sniper QuadraJet Secondary Ports. compact 9mm pistols with manual safety I have trouble adjusting the timing and really need some input but then the timing at idle was around 13-14 degrees when full advance was at 34-35 degrees at 3000 RPM. Businesses can update their strategies as needed throughout the year. Shut off the engine, ensure power to the Sniper is switched off. Every part of the Holley Sniper EFI Systen installation is a breeze but a few folks are challenged to get the idle rpm set correctly. Here are some tips!. My terms are 80 & 90 I think. Businesses can update their strategies as needed throughout the year. Yes, but all injectors have a minimum pulse width below which they either don't function or are inconsistent. One thing you could try quickly is to adjust your idle with the idle screw until you get to an IAC Position of. 470" forged steel crankshaft & H-beam rods, Wiseco 4. 2) Choose Open Global Folder. adjustment, and repair. This article was originally written to describe how to test the IAC functionality the Sniper EFI System. Or I can install a Sniper 2300 with an 4-2 barrel adapter, so it is all a little better matched. That's because the Sniper EFI doesn't have the same TPS Autoset function as the Terminator, HP & Dominator ECUs. com/halffastgaragethehalffastgarage@gmail To make a long story short, Holley kindly replaced my EFI 2300 quickly and free of any cost and the replacement has been perfectly fine. Lots of businesses use techniques like SEO and social media marketing. It is easy enough to test and won't break anything to try. I have the cable (for dataloging) to plug into my laptop on the way. '92 Ford Mustang GT: 385"/62 block, Eagle 3. With my idle screw cranked all the way up (highest idle) the lowest I can IAC Position is around 20%. If the idle speed is too low for the cam (probably is) the engine will misfire. A cold engine shouldn't need 100% IAC Position. 2 bed flat to rent enfield bills included On cold startup I have to hold my foot on the throttle to keep the engine running, target idle is 1100 RPM and the actual idle is about 500 or 600. IAC at zero and idling at 1000 RPM. In business, it’s important to look for areas of improvement. On This episode I go through how to adjust the idle screw for proper IAC set up and also get into the Holley Sniper touch screen wizard to adjust the IAC hol. I've watched some Holley tuning videos, updated firmware in the ECU and handheld, but before I get in more over my head, figured I'd post to see what people thought. On most engines, they don't seem to run well at lower idle speeds with a Sniper. It's slotted, so install it in the same position. 3 Build:50 - Windows Vista,7,8,10 Compatible. Holley in-tank fuel pump. Sniper first start, idling too high. Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. Do you have a problem with your Sniper EFI running too rich on cold startup? Join the discussion on Holley Performance Products Forums and get some tips from other users who have experienced similar issues. 1969 Corvette, SBC 350, Holley Sniper EFI, In-tank fuel pump & HyperSpark ignition. I got my tank, 255 LPH pump, straps, vent/rollover valve and sending shipped to my door for $540. Trust Holley to offer replacement electronic sensors that meet and/or exceed OEM specifications for performance! Rough idle, missing, etc. Holley Sniper EFI Quick Start Manual: IDLE SETTING/THROTTLE BLADE SETTING Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard While adjusting the idle speed screw, if the TPS Position begins to read higher than 0%, cycling the ignition switch will recalibrate the TPS back to zero Atomic EFI MSD. 12-10-2016, 05:56 PM. Trusted by business builders worldwide, the HubSpot Blogs are your number-one source for education and ins. Holley (HLLY – Research Report) received a Hold rating and a price target from D Davidson analyst Michael Baker yesterday Holley (HLLY – Research Report). Try depressing the throttle past 60% which activates the "Clear Flood" feature. Discover how the SNIPER sales strategy can help you close far more deals. U stocks closed mostly lower on Wednesday, with the Nasdaq Composite dropping around 175 points.