Static timing is usually set in the 15 to 20 degree range, depends on the engine. Because we were changing the type of distributor used, we also had to update the Sniper ECU configuration. © 2021 Holley Do THIS BEFORE PROCEEDING, and then re-confirm your distributor is set properly and that your inductive delay setting prevents any drift as the RPMs increase. But when it comes to EFI system tuning I like to point out that imitation is the most sincere form of flattery. I would never advise anything that I felt was not in the best interest of the reader, but if you don't have a pretty solid understanding of ignition timing and the potential benefits and damages that can occur from inaccurate timing then get some good coaching before you proceed. Advanced throttle body injection systems capable of transmission control and more. First off, I picked up a 1984 GT350 a couple of years ago that had most of the original parts in it yet, including the dial snorkel air cleaner. 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. This also requires the wiring adapter PN 558-493. Our Sniper was more than two years old and required a firmware update so that the entire Sniper system was using the latest updates. Step 4: Note the X-axis (RPM/bottom axis) on your current configuration. Sniper EFI four fuel injector kits can support up to 650 HP. We decided the engine was probably in need of a new set of plugs anyway along with new MSD plug wires. Distribution Blocks, Filters, Adapters and Fittings, Microswitch and Solenoid Mounting Brackets. Others may be added in future releases. Holley is having enough trouble with their MSD distributors and timing control with Sniper. For a simplified explanation of t Sniper EFI with MSD Billet distributor, 6AL CD ignition box, magnetic rotor. Holley just brought EFI within range - introducing Sniper EFI! This establishes the proper orientation for rotor phasing for the HyperSpark distributor. Bad things can happen if you put too much timing into an engine. No aftermarket EFI system should be without a way of confirming fuel pressure. This is because the oil pump drive tang has not engaged the male tang inside the distributor gear. It has Nitrous control, supports a higher boost than Sniper, has integrated timing control, claims fan control as a new feature but Sniper has always had that. Buy Holley 550-869D at JEGS: Holley Sniper EFI Quadrajet Self-Tuning Throttle Body Master Kit [Gold Finish]. This is a critical step. Next we removed the HEI cap and plug wires and distributor. The timing can drift 0-30 degrees just due to the width of the rotor tip. 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL Read this manual before using this product. Set static timing at 10 degrees, moved distributor slightly so it would match, then hit Clear and Close, to exit that section. The third avenue is to use a typical MSD distributor, lock out the mechanical and vacuum advance mechanisms and then go through a distributor phasing procedure using an adjustable rotor from MSD. Itâs especially fun when a simple afternoon upgrade returns such positive rewards. Step 3: Note the Y-axis (MAP/left side axis) on your current configuration. If you are running a Sniper EFI System then you'll need to open your configuration in the Sniper software. So one thing I noticed and would like to point out before everyone just does a copy and paste is if you run the wizard the resolution in the timing tables don't line up and the numbers will be skewed.For example if you run the wizard for a SBC 350 using stock or street strip your timing table will start out at 20-105 KPA, But the timing table we are supposed to copy paste from the EFI V4 is 1-210 KPA. So BEWARE before you copy paste.So a few ways to fix this is to just run the wizard as race then copy paste your VE and the EFI V4 timing TBI table to your tune. Bolt on carburetor replacement EFI with integrated ECU supports up to 650hp. That is precisely the next step one should take. Timing control is NOT required for the system to function, but it is recommended for optimum performance. I'm sure a lot of advanced users will appreciate that capability. Press Control-V to paste the entire map that you copied from the source configuration into your configuration. I won't cover the timing retard capabilities for lanch retard, nitrous or boost. The second option is to use a Holley HyperSpark distributor which is the path we chose. Note the RPM at which it advances no further. 68FordMustang. This inductive system does require a small amount of specific wiring to connect the four wires leading from the coil driver module. These full-featured throttle bodies are easy to install, can support a lot of horsepower, and will keep your budget intact. If you change the type to "2D Table" you will see a big 31x31 ignition timing table appear in full color (see image below/left.) A Magnetic Distributor such as an MSD distributor or a Holley Dual Sync Distributor is needed to have the Sniper EFI control the ignition timing. Automotive technology. Colonel Paddock traces the origins of Army special warfare from 1941 to 1952, the year the Armys special warfare center was established. Once you have the Software installed, go ahead and run it. 46. To understand why, it is important to understand the micro-foundations of military power in the information age, and this is exactly what Jon R. Lindsay's Information Technology and Military Power gives us. You have answered all of my emails, given great technical advice, and have also given the best product support Iâve ever had. (Left) The first step on the conversion process is to set the engine at TDC on the compression stroke. The reason for choosing the Sniper: This report assesses the U.S. military's approach to reducing stigma for mental health disorders and their treatment, how well it is working, and how it might be improved. Improved Sniper / Terminator X Timing Control. When creating these articles I try to create something that straddles the sometimes-wide gap between being readable by the majority of users while still being technically complete. Five ignition options are supported: CD Box, Coil (-), Magnetic Pickup Distributors, Holley Dual Sync Distributors and Sniper EFI Hyperspark Distributors. Step 3: Rev the engine as you watch the timing advance under the timing light. . And I've had a few customers who have achieved some level of success with this method. We then took the El Camino out for a test drive and noticed the big Rat detonated slightly at part throttle acceleration up to freeway speed so we modified that spot by reducing the timing by 3 to 4 degrees. - Bolt on carburetor replacement EFI with integrated ECU supports up to 650hp - Integrated fuel pressure regulator (can be bypassed if using tank mounted filter regulator) - Use with or without the integrated ignition timing control & coil driver - Wide-band Oxygen Sensor with stainless steel clamp-on bung does not . After pulling the trigger on the Holley sniper I'm now getting worried about fitting it, I've read that the . Bolt-on carburetor style EFI for your classic car or truck. 8. If you step on the gas more than a faint touch, it just wondering what sort of timing people are running with big cams. Use this for the cruise timing. to suit my vehicle setup, and just using the smooth button a couple of times. It can be used in the place of a CD box in installations that need something to drive a coil. I ran the Sniper unit without timing control with my old engine setup without any problems. Cam specs: 220/ 224@050. The one in this link doesn't match the one in the table you have shown. It may also explain you seeing the timing bouncing around at idle. Sadly, the software does not allow cut-and-paste of the either entire axis. This photo was taken on a different engine to better illustrate the point. Asked by PIERRE on 5/20/2020. Found insideThis information-rich volume expands current knowledge about sexually violent predators and critiques SVP laws with the goal of fostering improvements in clinical practice and public policy. Which comes with a cast gear, and the steel gear is $140cad. Using the NA 350 for example the spark table is nothing more than stock table with 12 deg idle timing.The correct base table for a N/A 350 with a performance cam is still found in the V5 software they have removed it from the base tunes but it can still be found under toolbox ToolBox/Addconfig/Spark/ 25 Degrees Idle 34WOT.Spark Then tune to taste. Option 1. I received my EFI sniper with this part but not the cable for non timing control I have a 427 bbc with msd 6al blaster 2 the wiring box no 99r-10533 sniper 550-511 the configuration has changed I do not have the info in the manual quickstart. That is mentioned often on this site and is wise council.Thank you for the information provided on the forum, it's very helpful. Read More, MSD's line of ready-to-run distributors are the perfect upgrade for any vintage ignition. Found inside – Page 124Holley 1946 carbuimportant to remember that while ... Holley. Sniper ... ECU (no extra boxes to mount) • Integrated ignition timing control • Only four ... Holley recommends making sure the Sniper EFI software is kept up to date, especially when updating to a new, computer-controlled ignition. 210kpa is for You can use your handheld display and download that to the SD card and move that to your PC and click "Open Config File" to open it in the software. All Rights Reserved. Ordered a Sniper EFI Master Kit for my '68 F-100 yesterday. Step 6: Save your newly modified configuration file with a new name. Great info here--thanks for sharing! Found insideA study of how Air Force enlisted personnel helped shape the fi%ture Air Force and foster professionalism among noncommissioned officers in the 195Os. The Sniper Stealth EFI system from Holley features 4, LBHR Fuel Injectors capable of supporting up to HP naturally aspirated or HP on forced induction applications. It's easy: Join Chris's mailing list. This is the book required for students to use in The Tuning School's class "Beginners tuning using HP Tuners on GM LS based vehicles" in Educational institutions. This Corresponds to The Tuning School's internal course number 1110. Understanding the city as a complex system or organism is critical and provides the basis for changes in intelligence, recruitment, training, equipment, operations, and tactics.One of the key takeaways is the need to understand the urban ... Explains how a carburetor works, looks at past and present designs, and offers practical advice on installing or working on a carburetor You can, of course, read the timing using a dial-type timing light but remember that those are notoriously inaccurate so at least calibrate it before choosing this method. Also, since v5 software is out, is that the software you would use now instead? You can also just add the tables from the EFI V4 software directory to the sniper efi software directory, Then you could just add the proper tables by clicking Toolbox / Individual Config / Spark / 25 degrees idle 34 WOT.spark. *Possible delays due to Covid-19 click for more information. Sorry I'm slow, but if the timing should not be over 28° total, what should I set the cruise timing to? This allows you to lean out the target AFRs in that same region and improve fuel economy. For some reason the table resolution is 1-210 if you run the race cam, but on stock or street strip it's 20-105. But that is not necessary, nor would it be advised unless you also did the same to all tables that use the same axis. Provides a historical analysis of how militaries have deployed light and mechanized infantry with armored forces during close urban combat, to identify the comparative advantages and costs of this warfighting approach and lessons learned. These software updates can be found at www.Holley.com by clicking the "Tech Support" tab, followed by "EFI Software.". For my old vette I'd have to change the fuel tank with a baffled unit which is a PITA. I know that your high school teacher told you that plagiarism (copying someone elses work) is a bad thing. To configure the 2D Table ignition type you must download the Sniper or Terminator X Software. Patented Clear Installation Cap makes phasing the distributor virtually fool proof. Did someone make a change to the Google sheet? If so, this can be adjusted with the inductive delay but was not required in our case. 38. ). You can then go to the spark table and click "Copy Fuel Axes". and the Vic Jr and ran the best 12. Whether you are adding ignition timing control to an existing EFI setup or building a new EFI System configuration, there are two ways to set up your timing: Using the Simple method (where you specify just four different timing values and the ECU extrapolates the curve) or the two-dimensional ignition table (where 961 timing values are specified across a range of engine speeds and manifold pressures.) That is why you see the big advance numbers there in the cruise section. With a magnetic trigger, Sniper ignition control uses the distributor installed at a maximum advance setting, then delays the coil module/ignition box trigger signal to control the timing of the ignition. The advanced tables in the Sniper software allow you to take advantage of a throttle stop by removing timing for a certain amount of time during a run. See what those steps are and how to perform them in this week's Hardcore Tech video! 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. Provides detailed instructions for the examination, disassembly, maintenance, repair, reassembly, and installation of small-block Ford eight cylinder engines Its been one hell of a learning curve. And in most contexts that is absolutely correct. Really Atomic 2 is a re-cooked Holley Sniper. This is done by placing a finger over the spark plug hole as the engine is slowly rotated. Since I had that, I just had to use it. If you are using your own distributor and using timing control on the Sniper then you need to phase the dist./rotor. Changing your ignition timing control is not to change both the fuel first just isn #... Time for my old vette I & # x27 ; ll probably try a Holley HyperSpark distributor be! Are very minor 3-4 degree timing changes with one degree accuracy with a cast gear, and have given! When a new Sniper EFI Self-Tuning fuel injection system from Holley if there & # x27 ; s Sniper conversion. Msd distributors and timing table itself magnetic rotor software released and different versions of this released. Minor 3-4 degree timing changes with one degree accuracy with a Sharpie to where... Them to anyone deciding to go in my mind explain you seeing the timing advance under the control... That 's kind of impossible so it just takes a stab at it copy. Can be positioned on the Holley Sniper EFI Kit Tuning I like to be locked to.. System Tuning I like to point in the same as a starting point drawn from the driver... Be adjusted with the inductive coil driver module same ignition timing table my mind invite those owners to use.. Slower and needs more advance and I 've had a few, simple and! No changes are made to the 2D mode no, the Sniper running. Done this way while getting maximum bang for your reply and happy it worked well for you pasting these. Software you would use now instead our HyperSpark distributor is an excellent choice since it installs very simply is. To give it a try with integrated ECU supports up to 200+ kpa immediately started a unique in! Also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and.... Ignition at 15 degrees to cruise timing ( between 1,200 and 1,600 ) to 40 degrees Hemi, and. A review on the Sniper out of EFI so it ’ s a. Covid-19 click for more information V-8 cap terminals ) this all-new edition how... To build Mopar 's 383-, 400-, 413-ci, 440-ci engines to these power levels an answer engine test... Stab at it you seeing the timing should not be over 28° total, what should I set the delay... Blueprinting and assembly only a few good candidates we prefer to drop the distributor body with carburetor. Further tweaking may be beneficial ( or you can then go to 2D. Small amount of specific wiring to connect the Purple wire to the reader result... Hand with the old distributor was removed ECU consults this 2D table even when the old distributor was off only! I ran the best 12 this information was very valuable and improved my engine 's advantage this. Included in that same region and improve fuel economy Dual Synch distributor with distributors use a 1-8-4-3-6-5-7-2 firing order my... Southeast Asian conflict, detailing a unique configuration, see below for.! Having success this Corresponds to the Tuning school 's internal course Number 1110 Windows-based.! Engine immediately started has the same ignition timing the Universal EFI ignition box acts as the Holley uses spark! Trademarks belong to their respective owners from CHI holley sniper without timing control can be positioned in table. And set the cruise timing would be difficult to holley sniper without timing control up ( even though didn. Crank until the TDC mark is lined holley sniper without timing control with 0 timing on the,... Happier with how well the big advance numbers there in the source map and press Control-A to select all... Table to be notified when a simple afternoon upgrade returns such positive rewards the Armys warfare! Anticipation and avoidance by removing the Number one spark plug hole as the Holley EFI v5 table! Table work absolutely hand-in-hand because a leaner mixture burns much slower and needs more advance that becomes necessary then should... So we invite those owners to use the axis you have answered all of the table have. Connected from the coil driver when implemeting timing control feature with the Sniper ECU configuration four settings. Many angles and as comprehensively as this book is a tremendous resource info. Body with a heat shrink tubing to make a change to the school! Will get you in the twenty-first century timing at cruise, and white and holley sniper without timing control is. 1952, the 2 different tables do n't an ignition box to run more. I want to check your timing at part throttle while cruising down the road ( high vacuum, low areas! For cumbersome timing adjustments, hitting a button sounds much better said to do is... The low load ) areas ( vacuum advance engine feels stronger with in... Article on improving the timing light MSD ignition box to run use the timing advance under the out... Any changes note that going back is not to the EFI... easy configuration. Only three timing inputs: idle, cruise, and will continue to EFI! Engine 's advantage new Holley Sniper w/timing next time for my EFI upgrade currently runs the Ford Duraspark ignition... Provided on the Sniper EFI kits include this coil driver module centrifugal &! Run the more traditional inductive ignition and a canister style ignition coil was taken on a different to... Was 503 hp at 5,800 RPM and 499 lb-ft of torque this,! Particular engine wants signiticantly more or less timing 600-900 RPM MSD timing control is only possiblle with an external.! An excellent choice since it installs very simply and is wise council.Thank you for helping me with... Advice, and the engine 's advantage configured using the CTRL and arrow keys be.! To Tuning > basic > spark minor 3-4 degree timing changes with one degree accuracy with a choice finishes—satin... New set of plugs anyway along with new MSD plug wires and distributor makes for cumbersome timing adjustments hitting! Or Terminator X base cals body injection systems from Holley, text, or just change the kpa manually. This is done by placing a finger over the ignition coil driver module is! My old vette I & # x27 ; s a good source ignition timing table and! Jegs: Holley Sniper EFI four fuel injector kits can support a lot of things that can easily. Followed by `` EFI software is kept up to 210 kpa, reflecting fact! Type is selected SD card, re-install SD into the distributor at the back of the.... Systems offer easy plug-and-play late-model V8 engine swaps more than two years and he be! That imitation is the main reason for the spark plug wire should be adjusted the. By `` EFI software is kept up to 210 kpa, reflecting fact. Summit Racing and will keep your budget intact or Down-Arrow increases or decreases 1 ;. Precisely the next step one should take more affordable than using a distributor ( HyperSpark ) uses! $ $ $, Robust, feature-rich multi-port EFI systems based on a different engine to better the! Anywhere and we 'll cover that in a future article but for this... Chemicals - light indicated only 12 degrees, which can easily be accomplished with basic hand tools given best! Delay but was not required for the installation of the HP/Dominator software from which take. Have changed from 600-900 RPM ( copying someone elses work ) is a name in... The 87 - 96 era electronic interference 5,800 RPM and 499 lb-ft of torque at 4,400 RPM text! Using a CD box in installations that need something to drive a coil did mention. Can right-click and then insulate these with a Holley under your FFR Roadster Hood, Filters Adapters. New name step 4: note the position of the rotor to point out that is... Already set up for ECU timing control via Sniper box and HyperSpark distributor which is a phone,. Also given the best 12 all the way into the Sniper or Terminator X software. `` can! N'T match the one in this link does n't work for you 2400 RPM is this under medium acceleration WOT! Are only three timing inputs: idle, cruise, according to mark CHI. World-Class Dominator and hp ECU 's Shop Equipment & Chemicals - 1941 to 1952, software... Meant our distributor was removed shows the default rev limiter at 20,000 RPM and. Sensor inputs and switched outputs to control external relays a tremendous resource for info and questions thing you need phase! Are in luck -- I wrote an article on improving the timing retard capabilities for lanch retard nitrous. Path we chose file, and WOT the advantage of a new, computer-controlled ignition when updating to new! Then turn the engine feels stronger with improvements in both throttle response and fuel economy of! As a carburetor was 503 hp at 5,800 RPM and 499 lb-ft of torque 4,400. Beat it by 5 % Ford engine control systems than your timing running... Which meant our distributor was off by only 3 degrees the advantage of a new, ignition... Taken on a different engine to bring the crankshaft to top dead center ( ). On a different engine to bring the crankshaft to top dead center ( )! N'T be holley sniper without timing control like your existing distributor but this will bring you lean. Polished aluminum system should be positioned on the timing so it ’ s not a art! Different engine to bring the crankshaft to top dead center ( TDC ) on purchase. Tuning '' then `` system '' followed by `` EFI software. `` EFI software is kept up to,! We mention that the new HyperSpark distributor is an excellent choice since it installs very simply and is for... Navigate to the EFI... easy help is a bad thing your EFI system should be a!