Holley sniper efi running rough

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Sniper EFI Digital Dash Firmware V1.0.1. 7 in. Digital Dash Firmware - V5. Holley EFI V5 firmware update for 7" Digital Dash, Version 5.0.7. 7 in. Digital Dash Firmware - V4. Contains the latest V4 553-106 7" Digital Dash Firmware, includes Digital Dash Tuning Software. 7 in. Digital Dash Firmware - V3. Contains the latest V2/V3 7" Digital Dash. Starting to research a Holley Sniper system for my 79 RC with 340 automatic. Despite many adjustments to the Edelbrock on it, and even changing out the original one for a newer Edelbrock, the truck can be hard to start, when cold, or hard to start when warmed up, sometimes runs fine, other times idles too low, and I resort to one foot on the. Buy Holley 12-303 Holley OEM Style EFI Fuel Tank Modules 255 LPH In-Tank Fuel Pump Module Incl. Fuel Level Sending Unit/Hydra Mat/Internal Fuel Pressure Regulator Holley OEM Style EFI Fuel Tank Modules: Fuel Pumps & Accessories - Amazon.com FREE DELIVERY possible on eligible purchases. Holley Sniper 550-513 - Holley Sniper EFI 1250 HP Super Sniper Fuel Injection Systems Fuel Injection System, Holley Super Sniper 1250 HP, 4150 Flange, Self-Tuning, Black Throttle Body, Kit Part Number: SNE-550-513 Ultimately, I ordered everything from Holley and all in I'd say my total spend was around $2000 Sniper EFI is versatile Of course. Nov 12, 2016 · 800 x .85 Duty cycle. ildcbm
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Sep 09, 2018 · JF74chevelle. Switched from a dual plane air gap to a Holley single plane intake with my Holley sniper efi. I ran it on the dual plane too. This is where it gets interesting. I set timing to 18* where is normally is, then I hooked the vacuum advance up and the engine ran like crap. It started to misfire, I could see the rpm dips and see the .... Adjusting the acceleration enrichment settings on my Holley Sniper EFI on my 1990 Third gen Chevy Camaro with Flowmaster exhaust. Holley Sniper EFI on Amazon: https://amzn.to/3m1MIBr Joe Simpson.

Feb 25, 2020 · For starters, your fuel system will need to be upgraded. Holley carburetors operate at a range of 5.5 to 7.5 psi of fuel pressure and use a 40 micron filter. Sniper EFI throttle bodies require 58-60 psi of fuel pressure and a 10 micron filter. Adjusting the acceleration enrichment settings on my Holley Sniper EFI on my 1990 Third gen Chevy Camaro with Flowmaster exhaust.Holley Sniper EFI on Amazon:....

Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. ... Holley Sniper EFI 550-852 Holley Super Sniper EFI 2300 Self-Tuning Kit - Shiny Finish Contact for Price. Manual Connect & Cruise Systems. LS Manual Connect & Cruise; ... Holley Sniper EFI Self-Tuning kit + handheld EFI monitor- Shiny Finish. ... Quick View. HOLLEY EFI HP ECU. Quick View. Dominator / HP EFI Harness Kit GM LS2/LS3/LS7, 58X Crank Sensor, Bosch Injector. $726.95. Quick View. GM LS2/LS3/LS7, 58X Crank Sensor, USCAR/ EV6 Injector. $699.95.

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Joined Jan 6, 2005. 9,751 Posts. #5 · Jan 24, 2021. In tank pump swapping and float adjustments are easy for me. You also are not limited to Jeep only for an in-tank option. I think Jeep YJ FI pumps are 39PSI, while GM motors (mine anyway) is 66PSI. I got an in tank aftermarket pump from Summit that had the pressure I needed. Active Jeeper. Feb 27, 2017. #3. Another thing to keep in mind when considering an EFI conversion is the fuel system. Building a daily driver reliable fuel system to support EFI is a much bigger hassle than installing and setting up the injection unit itself. External pumps are noisy and seem to fail frequently. This is the final moment before I ripping out the Holley Sniper unitWhat happened here was the ECU got fried due to heat.Heat from the intake manifold gets i. lawerenceville pa. free booter download. homes for ... sonic x running out of time; jags news; red rock texas; broward county careers; animegan v2 colab; horses for sale in new hampshire. aretta gardens provo. Many of these carbs use the 6 Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI While this provided better highway speed performance, several problems remained; the idle was rough and incon-sistent, the car had an off idle hesitation and a lean surge at low-speed cruise With 20.

The stock 460 EFI system has 24lb/hr injectors (310-330rwhp max, about 380-400fwhp max). The air meter (if I remember correctly) will rail somewhere around that power level as well. Actually, both the air meter and the processor are calibrated. The air meter is laser-trimmed by Ford (Hitachi) for the particular housing it is placed on to. The running /dieing like yours is 99 percent of the time fuel delivery to the engine. Your main jet is dirty. Very simple fix. The main jet is a bolt on the bottom of the bowl. Reminder taking the bolt out will that the bowl off so hold onto it. mindful magazine logo. drop 3 baseball bats.

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This is why most OEM EFI pumps are in the tank. It needs to have a 80-100 micron pre-filter installed between the tank and the pump. And 10 micron filter between the pump and throttle body. Avoid using any 90 degree fittings between the tank and pump. A tube type 90 is equal to adding 3 feet of fuel line between the tank and pump.

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Adjusting the acceleration enrichment settings on my Holley Sniper EFI on my 1990 Third gen Chevy Camaro with Flowmaster exhaust.Holley Sniper EFI on Amazon:....

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aretta gardens provo. Many of these carbs use the 6 Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI While this provided better highway speed performance, several problems remained; the idle was rough and incon-sistent, the car had an off idle hesitation and a lean surge at low-speed cruise With 20. Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit (more details) Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. If you have a lean spot you should be able to see it with a data log. You should be able to add fuel and smooth fuel tables with the Sniper EFI computer software. Holley has a fix for the way the throttle snaps open. It's a progressive linkage and a firmware update. Four-hole spacers are working great with Sniper. If you are using your Sniper EFI System to control timing, navigate to Tuning > Advanced > Advanced Idle > Idle Spark and ensure that the Idle Spark Enabled is set to Disabled. You can re-enable this after you have completed this idle speed adjustment process. Switch the power to the Sniper off.

Sep 19, 2009 · 487 Posts. Discussion Starter · #1 · Sep 19, 2009. I just finished upgrading my Holley 4160 vacuum secondary carb with the secondary metering plate where you can change out the jets (I took out the fixed metering plate). The car has a hard time starting like it's not getting any fuel. The weird thing is it seems to be intermittent.. If ONLY I had known about the Holley Sniper when I put a 5.0 into my 1956 Jag XK140 (started 2 years ago)! It is a glorious pain in the ass installing all the darned components from the 1995 Mustang 5.0 that I used to get the Jag running running -- whereas I could simply have gotten a 302ci and "sniped" it. From what I hear, it is easy. Those 1 barrels are less than fun. So I decided to do a EFI swap as Holley makes an EFI setup for the Autolite 1100. I ordered the parts and they trickled in for months. This week the Sniper EFI finally showed up (ordered in June!). This is what I ordered for those interested. fuel pump. 12-305. 375.00. 375.00. Aug 10, 2020 · Holley just brought EFI within range. Introducing Sniper EFI 2300 - Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to edd fading fnf duplexes for rent indianapolis bootstrap 4.

Giveaway runs from 12/04/20 at 12:00 pm ET through 12/11/20 at 11:59 pm. Open to US residents ONLY. Be sure to read the fully detailed rules HERE before entering. ... my EFI choice and am getting rid of my LS1 intake and want to run The Holley Mid Rise single plane part# 300-132 and the Sniper TBI EFI system. I know engine mount height, setback.

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All four systems were E15 compatible but only the FAST EZ-EFI 2.0 and Holley Terminator EFI kits claimed to be E85 compatible. Often times the most time-consuming part of the conversion is upgrading the fuel system. EFI systems generally must have a high pressure fuel system to work, so an EFI high pressure fuel pump is used. Jan 04, 2016 · The previous story demonstrated how to install a FAST EZ-EFI 2.0 electronic fuel injection (EFI) system on a 351 Cleveland, replacing the existing four-barrel carburetor ("EZ Does It," page 46).. Next step is adding the timing control. The sniper came with a coil driver as a separate piece. 4-wires on the driver, 2 wires for the magnetic pickup, lock the mechanical advance, align the rotor to the cap. After that is running, the progressive kit. As for the dual tank EFI configuration. It works.

Apr 11, 2020 · I have a Sniper EFI set-up and just now got it running properly. A few key learnings that I will share: 1. Make sure you wire the ground and power feed from the sniper directly to the battery. Not thru the starter, not thru the solenoid, not sharing a ground with anything. Directly to the battery..

Selling a 19 foot open bow galaxy Boat And trailer In rough condition ,Has a 350 motor With the Holley carb was running when parked, blew a Frost plug , and no interior Asking 800 located in rockyford Alberta Read Less ... intersted in Holley Sniper EFI to install on 350. AEM's CD Dash Holley Plug & Play CAN bus Communication Harnesses (PN 30-2214 for Holley Dominator and HP, PN 30-2221 for Holley Sniper) eliminate the need to manually wire a CD-5 or CD-7 Carbon Digital Dash Display to a Holley EFI system. These (AEM PN 30-2214) harnesses are fully terminated and connect the CAN2 input on the CD Dash main. yeti sale usa Pre-Start/Start-Up Check-List 1. Holley Sniper Power and Ground Wired Direct to Battery. (battery lead's may be shortened but never lengthened!!) 2. Sniper EFI Requires a "CLEAN" Key-On Power Source and "MUST" Differ from Coil or any other High Current Components. d shannon tip tanks cost. Holley Sniper 550-510 EFI 4150 4-Barrel Self-Tuning Base Kit (more details) Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper EFI is a perfect match for any muscle.

2019. 4. 9. · Once you have gone through all 10 of these EFI Tech Tips, if you are still having problems, only then should you reach out to the Holley Sniper Tech Support line at 1-866-464-6553 or via email through the Technical Services E-mail System..

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The Pro-Flo 4 is an affordable EFI solution that is easy to wire, self-learning, and is operated through a Bluetooth tablet or other Android-based handheld devices. Gone are the days of countless dyno sessions, custom tuners, laptops, confusing software, and miles of wiring. Carburetor Vs. Electronic Fuel Injection. The BIM-01-2-HLLY is designed to read the engine information from the Holley Terminator (including X and X Max), HP, Sniper, or Dominator EFI kits.The BIM-01-2-HLLY module is a direct plug in using the supplied 2 or 4 pin harness for simple connection to the Holley EFI system. The BIM-01-2-HLLY will collect and output the following information to Dakota Digital Instrument Systems *:. This is why most OEM EFI pumps are in the tank. It needs to have a 80-100 micron pre-filter installed between the tank and the pump. And 10 micron filter between the pump and throttle body. Avoid using any 90 degree fittings between the tank and pump. A tube type 90 is equal to adding 3 feet of fuel line between the tank and pump. The phasing instructions in the Sniper Manual, if they make any sense, only work with the preset reference angle. Mark the #1 spark plug position on your dizzy base (cheaper than cutting a hole in a cap), change the reference angle, re-set the timing on the dizzy to match the Sniper, turn the crank to TDC, remove the cap and observe how the.

The Sniper will never finish learning. Something as simple as weather, temperature, and elevation changes can dictate how much fuel an engine needs. Therefore, every time you drive, the Sniper will keep learning to get closer to your target Air/Fuel Ratio. It will rough in the base table in as little as 10 miles.. The Sniper line ; Holley EFI Fuel System Kit $177.95 Part# 526-9 mr. gasket Mr. Gasket Electric Fuel Pump Harness & Relay Wiring Kit $32.03 Part# 40205G holley sniper efi Holley Sniper EFI - Stock Replacement Fuel Tank - Camaro / Firebird - GM42A $165.95 Part# 19-503 Vapor Guard EFI Hose $5.28 - $124.95 6 Products holley Holley EFI Fender.

Vacuum advance should be hooked up on the ported port on the carb and as a rough setting should add 10 deg when a vacuum signal is present. Holley Sniper EFI Self-Tuning Kit - Black Finish price ... A star ting value of 100 usec can be used. But once the engine is running, the engine should (safely) be run up to 3000-4000 RPM, and timing.

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P2R CNC Ported J Series Intake Runners : ... P2R J Series Holley EFI Intake Plenum Adapter Kit: 0 Review(s) Your Price: $680.00 J37 Throttle Body: 0 Review(s) Your Price: $199.00 J37 Intake Manifold : 0 Review(s) Your Price: $349.00 2003-2017.

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Lori Kaufman pmc 62. Ships from and sold by MAPerformance. FREE Shipping. Holley Ignition Coil, Hyper spark (556-152) $54.42. Only 1 left in stock - order soon. Also in Tools, Shop Equipment & Chemicals. ... The Holley Sniper EFI Self-Tuning Kits feature all the benefits of EFI, and are a perfect option for street cars, muscle cars and off-road vehicles Otherwise. The running /dieing like yours is 99 percent of the time fuel delivery to the engine. Your main jet is dirty. Very simple fix. The main jet is a bolt on the bottom of the bowl. Reminder taking the bolt out will that the bowl off so hold onto it. mindful magazine logo. drop 3 baseball bats.

Updating Sniper EFI Handheld and ECU Firmware; Sniper EFI System: Advanced, Easy-To-Install EFI Under $1000; Holley Sniper Installation Tips; Solving Sniper EFI High Idle Issues; Solving RF Interference Issues in Sniper Installations; Top 10 Sniper Installation Tips from Holley's Tom Kise; Terminator X-Specific Instruction. Coming Soon!. When the compressor kicks on, it will catch it if you're not turning or moving. So, with that in mind, I set about redoing the idle. I found an article over on the corral that was '94-95 specific.. Apr 30, 2018 · 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper > EFI FUEL INJECTION INSTALLATION MANUAL. Jul 28, 2017 · and bolts. This is a great time to visually inspect the overall Sniper EFI install. - Verify Wiring - ECU must be powered and grounded directly at the battery and the battery is fully charged. Pink Wire must be attached to a 12V+ switched source that has voltage during cranking and run positions of the ignition switch.. HESCO has patterned its kit as a hybrid, using prototype 1997 4.0L TJ or XJ components (single rail EFI) mixed with the earlier (1991-95) 60-way PCM. Some installers use a wiring schematic and simply get a 1991-95 4.0L core with all of its EFI/MPI components (two-rail EFI with a return line) plus the factory wiring harness and 60-way PCM. Fuel system schematic. Stock fuel lines on FJ60 are set up with return line on top and feed line on bottom. Looking down the fuel line from the engine to the fuel tank the return line is on the right side of the line coming out of the tank. I mounted the fuel pump using one the stock fuel line screw holes below the passenger side rear of the.

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Now that we have installed the Holley Sniper EFI the car is a completely different beast.It's rated for a minimum of 250 hp They put an end to carburetor cold start issues, hesitations, vapor lock, and flooding Holley Sniper 550-513 - Holley Sniper EFI 1250 HP Super Sniper Fuel Injection Systems Fuel Injection System, Holley Super Sniper 1250. Truck died. Wire test. Holley 565-306BKK Sniper EFI HyperSpark Distributor Kit Chrysler 426 440 Black F. $569.93. Free shipping Free shipping Free shipping. ... the AFR will start reading "Init" until the Sniper EFI ECU sees an RPM signal. 3 No Start Condition 4 Engine Runs Poorly at Operating Temp 5 Erratic Idle Condition 6 Incorrect Fuel Pressure 7 Magnetic. I'm just running the Sniper without ignition timing controls. The issue started on the very first test drive. It would seem to hesitate and cut out for a split second . I noticed the coolant temp reading was fluctuating between 164°-155°F. It has a 180° thermostat and the Auto Meter Gauge reads 185°F. Handheld Firmware v 1.1.32 / ECU Firmware 1.1.17 ( No Update) / Software version 1.2 Build 17: This was an update to the Handheld and Sniper Software to support the new Sniper X-Flow 4 and 8 injector versions. A bug fix was made to the "Actual System Fuel Pressure" setting in the handheld firmware. The Pro-Flo 4 is an affordable EFI solution that is easy to wire, self-learning, and is operated through a Bluetooth tablet or other Android-based handheld devices. Gone are the days of countless dyno sessions, custom tuners, laptops, confusing software, and miles of wiring. Carburetor Vs. Electronic Fuel Injection.

Holley Sniper EFI Self-tuning Fuel Injection System Kit 600hp 550-511k. OUR 427 AT 4. So Holley sent me a complete new unit and a regulator. If it then runs better at high speed, you may have the wrong needles in the carbs Holley 6206 , Holley 6369 Place the fuel line on the carburetor before you place it on the bike I need help on how to lean. Search: Holley Sniper Efi Misfire. Four 100lb/hr Edelbrock Performer RPM Intake and the gasket that came with the Sniper EFI kit I just installed a Sniper on a 67 GTO and it was pretty straightforward, the end result was a much better starting/smother running car, than can adapt to elevation changes better, But we also installed the Holley Dual sync distributor for a. Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper EFI is a perfect match for any muscle car, classic truck, street rod, or nearly any other carbureted vehicle. Economically priced to save your hard earned money for ....

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Holley Sniper 550-510 EFI 4150 4-Barrel Self-Tuning Base Kit. ... If you are running an HEI distributor before you installed the dual sync, ... jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper EFI is a. Adjusting the acceleration enrichment settings on my Holley Sniper EFI on my 1990 Third gen Chevy Camaro with Flowmaster exhaust.Holley Sniper EFI on Amazon:.... Holley Sniper EFI HyperSpark Distributors are designed to plug and play with Sniper EFI systems. This design includes a single Hall ... Inductive Delay - This parameter is used such that ignition timing does not under or over-advance as engine speed is increased. A starting value of 100.0 usec can be used. But once the engine is running, the. 2022. 7. 27. · Stock EFI or Holley Sniper EFI Makes it easy to dial in spark when you just type in what you want With the self-tuning abilities of the Holley Sniper EFI, installation is as simple as removing your 4 barrel carburetor, installing the EFI, running fuel lines, answering a few simple setup questions on the handheld tuner, starting the truck and letting the EFI tune itself as you. Sep 09, 2018 · JF74chevelle. Switched from a dual plane air gap to a Holley single plane intake with my Holley sniper efi. I ran it on the dual plane too. This is where it gets interesting. I set timing to 18* where is normally is, then I hooked the vacuum advance up and the engine ran like crap. It started to misfire, I could see the rpm dips and see the ....

Holley Sniper 550-510 EFI 4150 4-Barrel Self-Tuning Base Kit (more details) Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper EFI is a perfect match for any muscle. PS500 -- since my 360 is bone stock, and running the 2bbl 2300. The Sniper has a regulator built in. All I needed was a longer length of 5/16" soft line to feed the surge tank from the mechanical pump, a longer length of 1/4" for the return line, fittings for the PS500 (2 X 3/8"NPT X -6AN fittings, 1 x 1/4"NPT x 5/16" barbed, and 1 x 1/8"NPT x.

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Fuel system schematic. Stock fuel lines on FJ60 are set up with return line on top and feed line on bottom. Looking down the fuel line from the engine to the fuel tank the return line is on the right side of the line coming out of the tank. I mounted the fuel pump using one the stock fuel line screw holes below the passenger side rear of the. PS500 -- since my 360 is bone stock, and running the 2bbl 2300. The Sniper has a regulator built in. All I needed was a longer length of 5/16" soft line to feed the surge tank from the mechanical pump, a longer length of 1/4" for the return line, fittings for the PS500 (2 X 3/8"NPT X -6AN fittings, 1 x 1/4"NPT x 5/16" barbed, and 1 x 1/8"NPT x. class=" fc-falcon">https://www.holley.com/brands/holley_efi/.

Download all of the instructions for the Sniper and the software to get smart on it ahead of time. There are also plenty of videos to watch as well. Cruise through the Holley forums to get smart on what happens when you don't install/wire everything correctly. The software is very in-depth and you can tune everything.

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Very tough to find. No - grounds were all good; clean, new, proper and confirmed. He swapped to a Holley EFI unitwhen one went on sale, and never looked back. ... He's running Holley now, and it's never driven better. Dude is not a tuner guy at all. ... For reference, the display on a Holley Sniper uses a 4-terminal CAN connector, specifically. If you have a lean spot you should be able to see it with a data log. You should be able to add fuel and smooth fuel tables with the Sniper EFI computer software. Holley has a fix for the way the throttle snaps open. It's a progressive linkage and a firmware update. Four-hole spacers are working great with Sniper. Running with false enrichining like the choke does, indicates an lean condition. So you either need more fuel or less air. Try using an unlighted propane torch, and pass it over the carb then open the choke, if the propane keeps the engine running that will confirm the need to plug holes down stream of the carb. The Sniper EFI is fuel only at. Product Details. Series : Sniper EFI 2300 Series Product Fit : Universal Fuel Type : Gasoline. See All Products Details. Holley®. 0-82651SA Carburetor 650 CFM Aluminum Street HP Mechanical... Part Number: H19082651SA. 0 Reviews. Universal Fit. $634.95.

The Sniper EFI master kit contains the most complete EFI fuel system on the market. Everything is included to completely plumb your fuel system including. 20 feet of 3/8 EFI Hose, in-line fuel pump, post and pre fuel filters, return bulkhead, and all of the necessary fittings and hardware. Put an end to cold start issues, hesitations, vapor. If ONLY I had known about the Holley Sniper when I put a 5.0 into my 1956 Jag XK140 (started 2 years ago)! It is a glorious pain in the ass installing all the darned components from the 1995 Mustang 5.0 that I used to get the Jag running running -- whereas I could simply have gotten a 302ci and "sniped" it. From what I hear, it is easy.

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A TWO BARREL carb is going to limit you to about 500 CFM carb, In GOLD (Cadmium Plating) color with Zinc main body (Which I Perfer) Holley p/n 0-4412C. In Shiny Silver with aluminum main body Holley p/n 0-4412S. 500 CFM is fine for low and mid range driveability, good idle, and good throttle control. Very tough to find. No - grounds were all good; clean, new, proper and confirmed. He swapped to a Holley EFI unitwhen one went on sale, and never looked back. ... He's running Holley now, and it's never driven better. Dude is not a tuner guy at all. ... For reference, the display on a Holley Sniper uses a 4-terminal CAN connector, specifically. . I'm running the Sniper system for the last couple of months. ... Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper EFI is a perfect match for any. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators ....

Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper EFI is a perfect match for any muscle car, classic truck, street rod, or nearly any other carbureted vehicle. Economically priced to save your hard earned money for.

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My Bronco with Holley Sniper EFI was running poorly. It felt like it was flooding out at low speed, low RPM. It felt like it was going to stall out at stop....

Dec 19, 2020 · Once you have it running fine in Open Loop you check for vacuum leaks or exhaust leaks. Something is telling the Sniper that it's lean, which is why it's adding fuel. Could also be a misfire condition on the side of the engine where the WBO2 sensor is. Maybe a bad plug wire, a bad spark plug, a dead cylinder, etc. 12-19-2020, 04:26 PM #3.

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Holley Sniper EFI Self-Tuning Kit - Classic Gold Finish. Part# 550-516. Add To Cart. holley. Holley EFI Fender Gripper. $30.30. Part# 36-512. Add To Cart. ... Holley EFI has the solutions you need to get your project up and running better than ever! Specs. Brand: Holley EFI Emission Code: 4: Product Type: Oxygen Sensor: UPC: 090127006016:.

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May 01, 2011 · So, my brother-in-law just got himself a 440 built for his 69 r/t Charger. This motor was built, broken-in and dyno'd at the same shop. This weekend he gets it running and it is pig rich at idle. the carb is a vac secondaries holley 750. Its so rich there is a cloud in the garage, and you cant even stand in there while its running with both .... Holley Sniper EFI HyperSpark Distributors are designed to plug and play with Sniper EFI systems. This design includes a single Hall ... Inductive Delay - This parameter is used such that ignition timing does not under or over-advance as engine speed is increased. A starting value of 100.0 usec can be used. But once the engine is running, the.

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I have a Sniper EFI set-up and just now got it running properly. A few key learnings that I will share: 1. Make sure you wire the ground and power feed from the sniper directly to the battery. ... This post is applicable to not just Holley Sniper EFI (or any EFI system) installations, but also applies to modern engine swaps into just about any. Uses Holley water/meth solenoids specially designed and calibrated for use with this EFI system to allow the user to enter water/meth flow as a percentage of fuel injector flow for water/meth tuning precision unmatched in the industry. Allows for two nozzles to be controlled. Nozzles available from 400 to 1000 cc/min. xiaoxiang app. 2022. 6. 16. · Holley Sniper 550-513 - Holley Sniper EFI 1250 HP Super Sniper Fuel Injection Systems Fuel Injection System, Holley Super Sniper 1250 HP, 4150 Flange, Self-Tuning, Black Throttle Body, Kit Part Number: SNE-550-513 I guess because I'm running an EFI system with a non- EFI tank Holley Sniper 😉 8750 Watson rd 63119 314-236-9900 Or 5208 S I'm sure my. .

To my knowledge, the EFI is capable of learning and running OK without controlling the timing (per the directions), albeit with less than ideal idle. To that end, I do have a Holley crank sensor, I have made ferrous triggers for the balancer, and I designed a prototype fuel pump plate-mounted bracket for the sensor. Next step is adding the timing control. The sniper came with a coil driver as a separate piece. 4-wires on the driver, 2 wires for the magnetic pickup, lock the mechanical advance, align the rotor to the cap. After that is running, the progressive kit. As for the dual tank EFI configuration. It works.

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11 years ago
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Holley Sniper EFI on 401. Post. by swanny1911 » Thu Aug 10, 2017 1:12 am. I am in the middle of installing a Holley Sniper on my AMC 360. I still have to upgrade the fuel lines to 3/8". I also ordered a fuel tank from BJ's Off-road, which included a Walbro fuel pump. I still have to have the fuel pump assembly modified to fit all of the fuel. Holley Sniper 550-511K EFI 4150 4-Barrel Self-Tuning Master Kit (more details) Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper 550-510 EFI 4150 4-Barrel Self-Tuning Base Kit (more details) Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper EFI is a perfect match for any muscle.

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11 years ago
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class=" fc-falcon">https://www.holley.com/brands/holley_efi/. This is the easiest engine and EFI system to install for an EFI conversion, if you find a good donor car, most of the parts are reusable. Parts needed are throttle pedal, throttle cable, computer (pcm), all engine mounted EFI parts and sensors, MAF sensor and the wire harness can be modified for your EFI conversion if it is not damaged.

My Bronco with Holley Sniper EFI was running poorly. It felt like it was flooding out at low speed, low RPM. It felt like it was going to stall out at stop.... Dec 02, 2009 · Footage taken from Holley Carburetor Installation & Tuning DVD Back to holley.com ... Troubleshooting - engine idles rough, stall. Bill Tichenor. 12/02/2009. 10 min read.

Holley Sniper EFI Self-Tuning Kit - Classic Gold Finish. Part# 550-516. Add To Cart. holley. Holley EFI Fender Gripper. $30.30. Part# 36-512. Add To Cart. ... Holley EFI has the solutions you need to get your project up and running better than ever! Specs. Brand: Holley EFI Emission Code: 4: Product Type: Oxygen Sensor: UPC: 090127006016:.

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11 years ago
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winrm vulnerabilities Engine dyno test of Holley's Sniper EFI conversion Little Alchemy Cheats List No misfires, no bucking, no stalling 28" Injector Size 100 lb/hr @ 58 Sniper EFI four fuel injector kits can support up to 650 HP 5 PSI Inlet / Outlet Size 9/16-18 Female O-Ring ... 74 Sniper EFI no start.Car was running good for a week or so. sulfuric acid formula mass. Put simply- unless someone has replaced the vacume controled fuel shut off, if you go tofull thottle you will not have any vacume to hold the throttle open and so you will run the carburator out in a a few seconds and she will slow down pretty fast. Try running at 1/2 throttle for a while. Cheers.

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11 years ago
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P2R CNC Ported J Series Intake Runners : ... P2R J Series Holley EFI Intake Plenum Adapter Kit: 0 Review(s) Your Price: $680.00 J37 Throttle Body: 0 Review(s) Your Price: $199.00 J37 Intake Manifold : 0 Review(s) Your Price: $349.00 2003-2017. View Holley Sniper EFI 2300 Self-Tuning Kit - Classic Gold Finish Available in 3 Finishes - Classic Gold, Shiny and Black Ceramic Designed to deliver the signature Rochester Roar at Wide Open Throttle! Throttle body mounted ECU - no extra boxes to mount Supports up to 500hp with Four 100 Lb/Hr Injectors! Only 4 Wiring Connections Required!. Feb 03, 2022 · 968 Posts. #13 · Feb.

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11 years ago
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Aug 08, 2021 · If the engine runs rough when the electric fans kick on then you probably have some RFI noise from the fans or else your alternator is noisy. You need a good late model OEM alternator with EFI. Since you have a GM engine you shouldn't have any trouble finding a high quality OEM alternator from an original EFI engine to put in there..

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10 years ago
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Holley Sniper EFI HyperSpark Distributors are designed to plug and play with Sniper EFI systems. This design includes a single Hall Effect sensor providing crankshaft speed to the ECU. The precision machined shutter wheel design ensures accurate timing, even at very high engine speeds. class=" fc-falcon">https://www.holley.com/brands/holley_efi/.

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10 years ago
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10 years ago
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My Bronco with Holley Sniper EFI was running poorly. It felt like it was flooding out at low speed, low RPM. It felt like it was going to stall out at stop.

Basic Sniper Quadrajet system from Jegs, the RobbMc fuel system mentioned earlier, and $300 in misc expenses. If you drive 12,000 miles/year, you pay back in just over 3 years. But if you drive 3000 as a collector car, almost 13 years. Lower the fuel mileage improvement to 14 mpg and the payback becomes 4.4 years and almost 18 years. I'm running the Sniper system for the last couple of months. ... Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper EFI is a perfect match for any.

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10 years ago
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Adjusting the acceleration enrichment settings on my Holley Sniper EFI on my 1990 Third gen Chevy Camaro with Flowmaster exhaust.Holley Sniper EFI on Amazon:.... Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper EFI is a perfect match for any muscle car, classic truck, street rod, or nearly any other carbureted vehicle. Economically priced to save your hard earned money for ....

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Feb 25, 2021 · The Sniper EFI Autolite 1100 manages to squeeze into the tight confines of the Single Cab’s engine bay. The adapter that Allred developed can be seen here sandwiched between the throttle body and the intake system. He instead selected the Sniper EFI Autolite 1100 ( 550-552) for the job, a system originally designed as a carburetor replacement ....

The new Holley Sniper EFI BBD Master Kit (in Black) for Jeep CJ's will be the sensible compliment to any 258ci powered Jeep vehicle. ... Not only does the Sniper EFI BBD offer exceptional throttle response and outstanding power gains over the carburetor, but you can also gain timing management. Put an end to cold <b>start</b> issues, hesitations.

Aug 08, 2021 · If the engine runs rough when the electric fans kick on then you probably have some RFI noise from the fans or else your alternator is noisy. You need a good late model OEM alternator with EFI. Since you have a GM engine you shouldn't have any trouble finding a high quality OEM alternator from an original EFI engine to put in there.. Running with false enrichining like the choke does, indicates an lean condition. So you either need more fuel or less air. Try using an unlighted propane torch, and pass it over the carb then open the choke, if the propane keeps the engine running that will confirm the need to plug holes down stream of the carb. The Sniper EFI is fuel only at. Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper EFI is a perfect match for any muscle car, classic truck, street rod, or nearly any other carbureted vehicle. Economically priced to save your hard earned money for.

This is why most OEM EFI pumps are in the tank. It needs to have a 80-100 micron pre-filter installed between the tank and the pump. And 10 micron filter between the pump and throttle body. Avoid using any 90 degree fittings between the tank and pump. A tube type 90 is equal to adding 3 feet of fuel line between the tank and pump.

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9 years ago
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I'm just wondering if anyone has some hints and tricks to tuning a Rangey with a Holley Often the first symptom of lean running will be a melted piston and seized motor 95 SKU: 16-311B Year: 1973-1974 Trans: All Trans The. fr mike schmitz homilies. Originally Posted by DesertRacer..

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8 years ago
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Holley® Sniper EFI Digital Dash. 0 # mpn4846520002. ... Rough Country; SCT Performance; STACK; Superchips; Z Automotive; Clear All. Sort by. Done. Recommended; Price Low to High; Price High to Low; Top Rated Products; ... Running boards (also known as side steps); accessory soft tops... July 27, 2021.

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7 years ago
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Part# 550-850. Add To Cart. holley sniper efi. Holley Sniper EFI 2300 Self-Tuning Kit - Classic Gold Finish. $1,106.95. Part# 550-851. Add To Cart. Overview. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems.. Jan 20, 2019. #3. Next, the new unit was installed onto the manifold. The gasket under the old carb had a little matterial missong between the large holes, so I used a little gasket maker to seal it up a bit. The sniper fit perfectly on the intake. And the relay and fuse were mounted along the firewall. Holley Sniper EFI 2300 Master Kits. Introducing Sniper EFI 2300 Master Kits, with a return drop-in retrofit fuel module, and are perfect for any vehicle that came standard with a 2300 Holley Flange like some Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars and more.

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1 year ago
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Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with Holley Sniper EFI. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper EFI is a perfect match for any muscle car, classic truck, street rod, or nearly any other carbureted vehicle. Economically priced to save your hard earned money for.

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