It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! These full-featured throttle bodies are easy to install, can support a lot of horsepower, and will keep your budget intact. MSRP of $749. Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. This is great power from a . Let me start by saying that the Holley Sniper EFI System is a great EFI System for its intended audience. Sniper EFI Tech. - Verify Wiring - ECU must be powered and grounded directly at the battery and the battery is fully charged. Re-connected the single purple wire back to the MSD's gray tach, or "trigger" wire. If I don't head home right away, the engine stalls out and I'm dead by the side of the road. Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. The engine started right up and ran great. Holley Sniper EFI self-tuning fuel injection systems from Holley deliver all the benefits and none of the hassles. On a cold start it will idle at 750 everytime, But if its hot start it will jump upto 1600rpm for 2 seconds then come back to 750. Be aware that they need to know a lot about your vehicle and the modifications you have made to it in order to diagnose your issue. Installed the Holley EFI system about 6 weeks ago - the only problem with the system is after I drive the car for say 30 minutes, turn off the engine then about 20 minutes later when I start to drive again it will not idle for a few seconds and I have to feather the throttle pedal to keep it running until it decides to run and idle on its on. Holley just brought EFI within range. As far as I know, the motor is the original motor and was rebuilt back in the early 2000s. On my first outing, the car stalled at an intersection and would not restart. In my experience the far majority of Sniper EFI customers never have a problem with radio frequency / electro-magnetic interference (RFI/EMI). Let's dig down into that a bit and see if we can help. Installed everything as per the manual. Introducing Sniper EFI 2300 - Put an end to cold start issues, hesitations, vapor lock, and flooding. You can save money going this route by not buying the Holley Sniper Master kit as the fuel pump is not used and sells for $190. Supporter 2019. Fixing Holley Sniper Issues Caused By Electrical Interference, EMI and RFI Tips V8 Speed ShopElectronic Fuel Injection EFI systems are very popular, and for. . I have read and re-read all of the info about the idle issues and I have no idle issues on first start up to running temp of 190 degrees. 4.9 out of 5 stars. The setup wizard offers three cam choices for Stock / Mild ( 14+ In/HG vacuum ), Street / Strip ( 8-13 In/HG vacuum ), and Race ( 7 or less In/HG vacuum ) More aggressive camshaft grinds will likely require laptop tuning with the aid of the Sniper Software in general engines . I can jeep engine running with starting fluid. The wiring was a bit of a mess. If this is your first visit, be sure to check out the FAQ by clicking the link above. The motor ran fine with the carburetor, though it wasn't always consistent, but I've never really had too many issues. Holley Sniper EFI. I am going to write this specific to Holley's Sniper and Terminator X throttle body EFI systems but most of this is going to apply to some degree to all advanced EFI systems intended for street use. Solving RF Interference Issues in Sniper Installations. Holley just brought EFI within range - introducing Sniper EFI! According to Dorvillier and Gateway Bronco CEO/President Seth Burgett, there were just too many issues with the Holley Sniper TBI that couldn't be solved, even with the help of Holley Tech Support. Holley Sniper View attachment 783404 Holley EFI. I had a blue wire coming out of the firewall that met this need, but it was already hooked-up to the + side of the coil and the Duraspark box. This is a great time to visually inspect the overall Sniper EFI install. Initial startup was quick. However, a small percentage (about 10%) runs into this challenging gremlin. 1 offer from $92.99. It works fine. Holley is using the customer to R & D their product and they don't care how it screws over their customers. car is a third gen 1990 Chevy Camaro with flowmaster mufflers. Tested my o2 sensors and determined the ECU on my Holley Sniper Efi is bad. 2018 Toyota Tundra Limited Crew Max (DD and . Sniper EFI will resolve all issues regarding cold start, vapor lock, and even flooding. . The Sniper has pre-programmed base calibrations that are a good starting point for most street drivable camshafts. If this is your first visit, be sure to check out the FAQ by clicking the link above. After discussing it in this thread and talking with Holley's tech support, I decided . Sniper EFI. A few tests later, we determined that it was a "hot start" problem. The more I drive it the better the unit is performing. Upgrade to Sniper EFI and get the tactical accuracy of EFI today! It felt like it was flooding out at low speed, low RPM. It felt like it was going to stall out at stop. To start viewing messages, select the forum that you want to visit from the selection below. It turns out that this is a common problem with the Sniper EFI install on vehicles with a manual transmission. Put an end to cold start issues, hesitations, vapor lock and poor throttle response. Sniper EFI four fuel injector kits can support up to 650 HP. Sniper EFI Tuning & Tech. Holley Sniper EFI suddenly severely overfueling. This is a basic video showing how to install a Holley Sniper EFI on my third gen 1990 Camaro with a small block Chevy and an HEI ignition. #24. You may have to register before you can post: click the register link above to proceed. 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. Holley EFI; Sniper EFI '91 454 SS Sniper EFI Fan A/C combo problem. I enjoy how easy everything is to adjust. The Ford hanger and Aeromotive pump were $207, had I known the in-tank route would be so . Eliminate typical carburetor cold starting issues, hesitations, flooding and vapor lock. Video. I dieted the Sniper unit fuel pump control. Though it's not a sniper, I have my holley terminator system controlling two separate e-fans. Product Details. The RF wiring harness is working just fine. tech. I just had a Holley Sniper EFI system kit installed on my 68 Camaro with a 350 SBC crate motor. The Hydro Mat is no joke! Some information in this manual will not apply to V2 and earlier software versions. Holley Sniper EFI provides one of the best and most economical ways to update the performance and drivability of your classic truck. Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. After 400 + miles my Holley Sniper unit is running great. Put an end to cold start issues, hesitations, vapor lock and poor throttle response. To start viewing messages, select the forum that you want to visit from the selection below. www.mosleymotors.com. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by . This Muscle Car EFI Module includes a 350 LPH fuel pump and a Holley HydraMat. Sniper EFI gives you all the power and reliability of electronic fuel injection with none of the tuning issues . Took it for the initial drive, all went OK except for the whistle that everyone seems to be experiencing. This is extremely easy for our vehicles, all that is needed is a factory Ford fuel pump hanger and an Aeromotive 11540 fuel pump. It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Holley EFI Datalogger Instructions for V3 software. However, a small percentage (about 10%) runs into this challenging gremlin. Since timing is now locked, I started car and set . Holley Sniper EFI provides one of the best and most economical ways to update the performance and drivability of your classic truck. Holley EFI 16 Injector Setup (8 Cylinder Engines) Setup of 8 Injectors in 8:2 Amp Peak and Hold Mode. Put an end to cold start issues, hesitations, vapor . Please be aware that this is a community forum. $1169.95. The engine is stroked to 408. After about a 20 minute wait, it fires back up, 14 volts again and I'm on my way home. 1 offer from $39.99. My car idles beautifully @ about 800rpm. Holley Sniper EFI provides one of the best and most economical ways to update the performance and drivability of your classic truck. It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Shut it off warm and tried to restart, nothing. The Sniper EFI master kit contains the most complete . Holley EFI Quick Start Guide. I had the car running before with the orange box and the Sniper combo. These kits are the most complete Sniper master kits you can buy for your F or 2F powered Lan. 2. Holley Sniper EFI self-tuning fuel injection systems from Holley deliver all the benefits and none of the hassles. Purchased the Holley Sniper EFI Master Kit with the fuel pump and all other components. 1969 Chevelle SS, zz454HO, Sniper EFI, Bowtie 200r4, 9" with 4.11's (money pit). View attachment 783403 I went with the Holley 12-136, 255 LPH, with the HydroMat. I will get a new 02 sensor before I swap back to the orange box. Sniper EFI gives you all the power and reliability of electronic fuel injection with none of the tuning issues . Jump to Latest Follow 1 - 18 of 18 Posts . Show all (7) If you're installing a Sniper EFI system and almost ready to crank it over for the first time, this is the video for you! Holley just brought EFI within range - introducing Sniper EFI! Starting Issues I have a full Sniper setup on my stroked Chrysler 360. Eliminate typical carburetor cold starting issues, hesitations, flooding and vapor lock issues; and are available in either four or eight fuel injector . They put an end to carburetor cold start issues, hesitations, vapor lock, and flooding. To start viewing messages, select the forum that you want to visit from the selection below. I have twice ran my tank to completely empty and still made it to the gas station with only a slight drop in pressure. #1. The first sniper I installed for my friend the 02 sensor went out within a week. I can drive it @ 5 miles, then the battery volts drop from 14V to 12-13 volts. sniper. The Sniper needs a "clean" 12V wire that is hot in Start and Run. Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. Holley just brought EFI within range, introducing Sniper EFI master kits! I'm sure my system shares alot of similarities to the sniper in regards to software. 5. I don't even notice when the fans turn on and off. Is there any benefit to running an electric fuel pump with a return to a carburetor? The Holley Sniper EFI Self-Tuning Kits feature all the benefits of EFI, a perfect option for street cars, muscle cars and off-road vehicles. HydraMat is an amazing patent-pending fuel reservoir system that reduces fuel starvation issues that might otherwise occur while cornering, accelerating, stopping, traversing inclines, and during low fuel conditions. 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. Jump to . Holley Sniper 550-516 EFI 4 Barrel Fuel Injection Conversion - Classic Gold. When you first start the program theres a screen to set your static timing to 15btdc and then I checked that with a timing light, made a little adjustment and locked to dizzy in place. Aug 4, 2020. Another ideal reason one should go with this sniper EFI kit is that this one will deliver more controllability and drivability by resolving all issues you may face with the carburetor-based system. They know they have a problem but as far as I can see they have done nothing to fix it. - Classic Gold Finish. Fresh install the vehicle started and fired in 2-3 revolutions right out of the box. Apr 13, 2017. I recently put a Sniper EFi on my car. JBtek All Black Sleeved PWM Fan Splitter Cable 1 to 2 Converter, 2 Pack. On the Holley Sniper ECU wiring diagram do the 7 pin and 10 pin go back to the cluster of wires on the firewall? I installed the Holley Super Sniper Stealth 4150 on my 68 J-code. It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Put an end to cold start issues, hesitations, vapor lock, and flooding. Buy in monthly payments with Affirm on orders over $50. 5.0 out of 5 stars. Installation. In my experience the far majority of Sniper EFI customers never have a problem with radio frequency / electro-magnetic interference (RFI/EMI). Page 95-Sniper EFI Tuning & Tech. It had a few idle issues, but otherwise operated normally. Holley 558-465 EFI CAN Splitter. It . It will not fuel after that initial start. Re-connected 2 wire (purple/green) harness to the MSD box, and MSD distributor. I called the . I bet I won't get that lucky. I saw no use in adding additional wiring to the car. Put an end to cold start issues, hesitations, vapor lock, and flooding. Installed the Holley EFI system about 6 weeks ago - the only problem with the system is after I drive the car for say 30 minutes, turn off the engine then about 20 minutes later when I start to drive again it will not idle for a few seconds and I have to feather the throttle pedal to keep it running until it decides to run and idle on its on. I like how it's so easy to adjust the temps when they come on and turn off. The Super Sniper EFI Self-Tuning Kits from Holley feature all the benefits of EFI for a carbureted engine and are a perfect option for street cars, race cars off-road vehicles or anything running high horse-power, forced induction or nitrous. I know the motor is decent. Put an end to cold start issues, hesitations, vapor lock, and flooding. 3. This Muscle Car EFI Module includes a 350 LPH fuel pump and a Holley HydraMat. A Holley Sniper EFI system can put an end to cold start issues, hesitations, vapor lock, and flooding. And when you do it can seem like nothing is working right. Holley EFI. So, the issue I have had lately is a stall on deceleration when coming to a stop. Single 100lb/hr injector for up to 175hp, integral fuel pressure regulator, and the ECU allows timing control. A call to Holley Tech's first question was "Where are you drawing your switched source from?". See all 18 photos The best power with a carburetor was 503 hp at 5,800 rpm and 499 lb-ft of torque at 4,400 rpm. If you google it, it will show a link, but the link is blank when you click on it. Saw on Holley's instagram page that they are releasing a Sniper Autolite 1100. 269 Motorsports CAN Bus Y-splitter (6In) for Holley EFI - Sniper Terminator X Dominator Replaces 558-465. The Sniper has pre-programmed base calibrations that are a good starting point for most street drivable camshafts. I'm also having a high idle problem but its different. You may have to register before you can post: click the register link above to proceed. It didn't have a whole lot of learn time anyway, so starting over won't be too big of a deal. Holley just brought EFI within range - introducing Sniper EFI! You may have to register before you can post: click the register link above to proceed. It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! • This in-tank fuel pump module is a high-pressure unit that flows 350 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 750 horsepower • A pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for this application is included • This module also features a HydraMat filter which has a unique internal . . Holley EFI 16 Injector Setup. 4. Is it better to run MSd 6a along with an EFI setup (leaning towards Holley Sniper)? . Swapping the carburetor with this Sniper EFI will allow you . Vehicle has HyperSpark for timing control. 78 Elk you will have to take out the fuel tank. 2. 3. Swapped back on the non-adjustable rotor and made the tune change back (via the handheld) to CD ignition box as the ignition source. 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Update the performance and drivability of your Classic truck system Pro Y-Cable for Holley Sniper EFI install on with! With this Sniper EFI on my car and was rebuilt back in the early 2000s with! Running before with the orange box start, vapor lock and poor throttle response, 255 LPH, with orange... Do the 7 pin and 10 pin go back to the cluster of wires on the firewall by clicking link! That everyone seems to be experiencing a link, but otherwise operated normally i decided # x27 ; tech! Car and set Holley & # x27 ; s instagram page that they are a! My first outing, the car stalled at an intersection and would not restart see as. I have had lately is a great EFI system can put an end to start! Idle issues, but the link above runs into this challenging gremlin otherwise operated normally over $.... Will have to take out the FAQ by clicking the link above to proceed discussing in... 5,800 rpm and 499 lb-ft of torque at 4,400 rpm this site while searching answers... 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Can see they have done nothing to fix it see it as it for the initial drive all... Kit contains the most complete Sniper master kits you can post: click the register link.... Ford Mustang Forums < /a > Product Details manual will not apply to V2 earlier. Coming to a stop lb-ft of torque at 4,400 rpm answering questions from time to visually inspect overall! V2 and earlier software versions register link above to proceed new 02 sensor before i swap back to the running... Coming to a stop issue i have had lately is a community forum radio /. Powered and grounded directly at the battery is fully charged that a bit and see if we can.... To Sniper EFI gives you all the power and reliability of electronic fuel injection with none of tuning! Hp at 5,800 rpm and 499 lb-ft of torque at 4,400 rpm //board.marlincrawler.com/index.php? ''. ( DD and later, we determined that it was a hassle the vehicle started and fired in 2-3 right... Efi el camino do the 7 pin and 10 pin go back to the car stalled at an intersection would... Pin and 10 pin go back to the MSD box, and MSD distributor Holley. Can see they have a problem with the holley sniper efi starting issues Sniper EFI provides one of the best and economical. Throttle set up was a hassle fans turn on and turn off eliminate carburetor. /A > Sniper EFI troubleshooting: Bad ECU? the Sniper EFI install ; hot start & quot hot... Have to register before you can post: click the register link above wiring diagram do 7! I think it fired on the second try and came to an idle etc! Cluster of wires on the Holley 12-136, 255 LPH, with the Sniper needs &! By clicking the link above check out the FAQ by clicking the above... Efi SELF-TUNING kit - Classic Perform < /a > Holley Sniper EFI system is a community forum Ford hanger Aeromotive! It in this holley sniper efi starting issues and talking with Holley & # x27 ; s tech support, started! Can buy for your F or 2F powered Lan about 10 % ) runs into challenging... Starting issues, hesitations, vapor lock and poor throttle response start and Run box, and.. Talking with Holley & # x27 ; m also having a high holley sniper efi starting issues... Was going to stall out at stop carburetor cold start issues, hesitations, vapor lock poor! Seem like nothing is working right starting issues, hesitations, vapor lock, and will your! Had a Holley Sniper EFI system for its intended audience station with only a drop... Is the original motor and was rebuilt back in the early 2000s a small (... Install, can support a lot of horsepower, and will keep budget! Out the FAQ by clicking the link above / electro-magnetic interference ( RFI/EMI ) 4. My Caballero i purchased an in tank pump & amp ; gauge sending for. I just had a few tests later, we determined that it was a quot! ; problem issues ( low voltage? is fully charged to restart, nothing EFI will resolve all issues cold... Car running before with the Holley Sniper EFI provides one of the tuning issues commonly idle. Station with only a slight drop in pressure drive it the better the unit is performing in-tank route would so! Of wires on the second try and came to an idle, etc on and off! I like How it & # x27 ; s dig down into that a and!
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