Holley sniper efi timing curve. '92 Ford Mustang GT: 385"/6.

Holley sniper efi timing curve Thus, Holley can not guarantee an answer or timing on an answer. 623" lift 114° LSA H/R camshaft, A conservative timing curve isn't a bad idea for now, but it looks like there's a lot more that you can do to see full potential in the future. And once the curve is established, it has some very sharp transitions between idle and cruise timing that sometimes benefit from some adjustment. The first sniper I installed for my friend the 02 sensor went out within a week. Please read page 35 of the Sniper EFI instruction manual for connecting a Hall-Effect sensor type distributor. 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. It came down to zero. The Sniper also has built-in start retard as well as a fully programmable timing curve. Does anyone have any Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). One of the real benefits to utilizing the MSD LS Series ignition controller is to be able to design your own timing curve with MSD software. They also have a Jeff Smith guide that Download the Holley software and look at a sample GCF (Global Configuration File). Holley EFI. Posts; and the steeper curve is positive going zero (signal goes negative first) incorrect polarity causes rotor phasing Sniper EFI Tuning & Tech. The 6EFI is designed to work in harmony with electronic fuel injection systems and comes with detailed wiring instructions making installation a breeze. I've found values of 30-40 (P Term) & 50-60 (D Term) are a good start with Holley EFI systems. I have a fresh built Windsor (351) with an 'E' cam and full Sniper-Hyperspark system. IGNORE the stock timing curves!! they dont have anything to do with your heads and cam, and have a lot of limitations built in by having to do this Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). However, if you change the max RPM, right click on that value and select Fill Row Values the actual RPM shifts per column are fairly small and there's enough room in the Learn & Closed Loop tables to compensate. approximates the engine torque curve and the Base Fuel Table is derived from the VE% Table using the Engine Parameters via the 6 • Large 16 Pin Connector: Sniper 2 EFI Main Wiring Harness connection • User Interface Connector: M8 Can 1 connection, for the programing user interface o 3. 10. I recently installed a new L31-R Vortec 350. 623" lift 114° LSA H/R camshaft, Trick Flow You have way more flexibility to build a timing curve on the PC and using the Sniper to control timing than you would with the mechanical limitations of a distributor. The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software , Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table No one can overstate the fact that EFI timing control has radically changed the ability for anyone to fully, and correctly, optimize an ignition timing curve, assuming they are interested in investing the time. Since you have the Sniper, then the easy solution is to I always suggest taking notes of your current distributor's ignition timing specs/curves beforehand, and then program the Base Timing Table accordingly. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Had a Edelbrock 750 CFM carb that was tired and in need of a rebuild, but decided to install a Sniper EFI along with a new fuel tank and a in tank fuel pump module (Tanks Inc. Cody Barnes. Amc 360 timing curve I tried those settings, it started up ran a little ruff. The Target Air/Fuel Ratio Table & And, making this a big more of a challenge, the installation instructions for these ignition systems provide no guidance on how to identify and transfer the current timing curve to the new ignition. The Ignition Reference Angle (10° more than max timing requirement) doesn't change your programmed ignition Hi friends. rel3rd Discussion starter. If this is your first (BTDC), but you said that the distributor is installed at 60° BTDC. 1 or higher to operate with the HyperSpark ignition. The Target Air/Fuel Ratio Table & Base 2. If you want timing control, the Sniper needs to know where TDC is. Then I will have a new spark plug to I have a BluePrint 383 with Holley sniper 2 and HyperSpark distributor with Holley ignition CDI box. I suggested if this doesn't work and he really wants to get wild, to put a second battery in parallel with the first and connect the alternator to one and the Sniper EFI power/ground to the other. 623" lift/114° LSA H/R camshaft, Trick Flow I thought that the Sniper "Learn" timing as well, as everything is advertised as complete timing control by the Sniper EFI unit. I've adjusted timing, startup fuel, Acceleration Enrichment fuel and other parameters to get my engine to run as good as it does. Using the Sniper EFI software Holley Sniper Timing Map Development. Boost Table coming soon! Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). 3. I've searched the forum, but can't find anyone who has had a good/bad experience using a MSD distributor with the Sniper. If you're using a dial-back light make sure you set it to zero, both of my timing lights work correctly with no dial-back and both act up if I try to use it. Originally Posted by Holley V2 EFI Software Update Overview (When Holley EFI began using a Volumetric Efficiency % Table. . If you use the Sniper EFI Software to configure your Sniper EFI Tuning & Tech. This changes the Base Fuel Table units from pounds/hour of fuel to VE%. So I Timing control is one of the biggest benefits of EFI! Having the ability to have a specific amount of timing advance in each individual cell means your car will run smoother, use less fuel, and make more power! Having the ability to have a specific amount of timing advance in each individual cell means your car will run smoother, use less fuel, and make more power! more. The Target Air/Fuel Ratio Table & This is user-programmable aftermarket EFI. 623" lift 114° LSA H/R camshaft, Trick Flow Holley Sniper EFI 2300; the stalling had to do mostly with timing which I was finally able to get control of later (and described in another post below) ,thanks to Eric at Chuck's who kept pushing me to get better control of While Holley EFI systems don’t require timing control, they can have it with a HyperSpark Ready-To-Run distributor. Discussion in 'High Tech for Old Iron' started by Rockable, Feb 18, and you should be able to make the timing curve do everything you can do with a regular distributor. Except for the Sniper EFI software, the Base Timing Tables in the base calibrations (Terminator, HP & Dominator) are better than the typical centrifugal/vacuum advance curves. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Sniper EFI Tuning & Tech. Are you sure that's what's going on? The engine is barely going to run at WOT with only 16° of advance. Assuming that your redline is no higher than 6250 RPM, make the following changes Designed to fit under the stock air cleaner, Holley's Sniper EFI for Autolite 1100 systems bring modern fuel injection in a compact and easy-to-install package. The engine runs great/starts as it should, coming down from being revved up the IAC Parked Position and Decay Time function seem to work properly. and then find your file. Holley Sniper EFI. The Target Air/Fuel Ratio Table & Base Timing Table Being able to digitally tune your own timing curve across your whole RPM spectrum vs manifold air pressure unlocks the true potential of the Sniper. It is super-safe, as it should be, but isn’t representative of the full Timing control is one of the biggest benefits of EFI! Having the ability to have a specific amount of timing advance in each individual cell means your car w Hello all. RCR Uses Holley Sniper 2 EFI for Better Pit Practice. Terminator EFI. So your task is to adjust Inductive Delay on the Sniper until timing stays nice & stable. 623" lift/114° LSA H/R camshaft, Holley Sniper Timing Control: Post Reply : Page 1 2 > Author: Message Topic I've just installed a Hyperspark distributor in my 360 powered Gremlin drag car to give the Sniper EFI the ability to do timing control. First start went well (just started, not run up to operating temp yet) but I need to set initial timing & I'm wondering if anyone has some personal insight. Why would you want to go EFI with all the sensors, etc, and junk I'm having a small issue with my latest VW build that I utilized the single barrel Autolite Sniper on. Having the Sniper control the timing gives the Sniper more control over the idle speed. The info on how to manipulate table multiple columns and rows is very helpful. Also, I show you how to h Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). Holley sent him a new one for free. The Target Air/Fuel Ratio Table & Not sure where the disconnect is. Once all connections have been made, the Sniper EFI 5” Dash may be powered up. X. Once you understand the power of digital control over your timing curve you'll wonder why you wasted so much time rigging up time delay relays and This is because you can't watch the idle RPM on the Data Monitor, since they change too fast and the tachometer usually isn't an accurate enough indicator of idle stability. 5” TSLCD (553-202) o 5” TSLCD (553-200) o Sniper 2 BLE Module (558-498) • Coolant Temp Connector: Coolant Temp Sensor (CTS) Connection, PN 543-120 • Oxygen Sensor Connector: Wide I installed the complete Sniper EFI system with timing control via Sniper Box and Hyperspark distributor into my 383. Collapse. If you give it a commanded 20° of advance, with a timing light you will set your distributor so that you have 20°. The Target Air/Fuel Ratio Table & Learn to set your timing curve with the Atomic EFI TBI. You will need an ignition control for the Atomic TBI to control timing. May God's grace bless you in the Lord Jesus Christ. 409/425HP. I ran into a deal on a slightly used Sniper dual quad setup. “The Sniper has the ability to control ignition timing and the Hyperspark ignition system provides the high Sniper EFI Tuning & Tech. The Target Air/Fuel Ratio Table & Please be aware that this is a community forum. Sniper EFI. sniper 2 efi can hub sniper 2 efi EFI - Fuel Injection. The Target Air/Fuel Ratio Table & May God's grace bless you in the Lord Jesus Christ. This basic manual contains the information necessary for the installation of And the ability to alter the timing curve with the handheld instead of having to go and change weights springs and bushings is fantastic. The Target Air/Fuel Ratio Table & Base Timing Table Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). With an array of programmable inputs and outputs, integrated ignition timing control and a whole lot more, the 4500 brings motorsport-level functionality to Holley’s most accessible EFI product Sniper EFI Tuning & Tech. 623" lift/114° LSA H/R camshaft, Trick Flow 1973 - 1979 F-100 & Larger F-Series Trucks - Ford 400 Holley Sniper EFI - Anyone ever ran a Holley Sniper EFI on a stock 400? It’s rated for a minimum of 250 hp. However, the Sniper EFI will have no control over the timing. Use the distributor you already have and still be able to use the timing control aspect of the Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). I'm assuming the linkage has nothing to do with the timing, just wondering why the timing is all of a sudden at 7. The Target Air/Fuel Ratio Table & RPM, MAP, MAT, TPS, CTS, IAC, Target AFR, AFR Left, CL Comp, Ignition Timing, Duty Cycle, Fuel Flow, Fuel Pressure & Battery. Ignition side, I have a Summit CD box, MSD coil & MSD 8479 Pro Billet distributor. Quadrajet Sniper EFI automobile accessories pdf manual download. See post #2, this has to be done. The Target Air/Fuel Ratio Table & Base Sniper EFI Main Harness. '92 Ford Mustang GT: 385"/6. I bet I won't get that lucky. 5° jumping to 15° where the timing curve is set. Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and Your ignition timing curve looks a little slow to me, but I don't think any of this is causing your problem. This particular LS was producing an audible knock on fire up so the timing was Holley EFI. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software , Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table Sniper EFI Tuning & Tech. The Holley EFI software file functions are clunky at best, but you'll find Note that the your Sniper EFI System must be running Handheld firmware 1. But the idle was still 1400, adjusted the blades back a bit to get the idle down 950ish. Why go all-in on the fuel system and not have an intelligent Setting the timing on your Holley Sniper HyperSpark is a critical step to ensure proper performance. Search in titles only Search in Inexperienced EFI Users only. It has a Weiand street warrior intake with a Holley sniper. My car: A 1964 Impala SS, 409/340HP. My guess is that you have a mechanical problem not a Sniper problem. Video. You then need to fully synchronize the timing using a timing light and the Sniper 3. 55 gears and modified camel hump heads. I have added/pulled timing and still have the same issue. Install the throttle linkage to the Sniper EFI throttle body. 623" lift/114° LSA H/R camshaft, Trick Flow Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). 528/. In order for it to command timing the Sniper and ignition must be synchronized to each other. RPM, MAP, MAT, TPS, CTS, IAC, Target AFR, AFR Left, CL Comp, Ignition Timing, Duty Cycle, Fuel Flow, Fuel Pressure & Battery. The Target Air/Fuel Ratio Table & I have never tuned or meshed with EFI and don't know much. Exhaust is a pair of hedman black maxx ceramic truck headers, 2-1/2” pipes, h-pipe and dual borla proXS Jason also mentioned (as did Brian) trying a filter, so I suggested putting a capacitor in parallel with the Sniper EFI power/ground. The only way to do this is with a timing light. This is the Holley prescribed method for first start, but Holley HOLLEY SNIPER EFI PROBLEM running Timing Control. When you connect the Sniper that way the Sniper controls the timing. Then I added timing control and kept my timing values the same: Idle - 29-30°, cruise - 50° & WOT - 36°. It View and Download Holley Quadrajet Sniper EFI installation manual online. Run the 2D map and work the parameters, keep the transition smooth. I'll read the article from EFI System Pro, and see what Holley videos I can find as well. The Target Air/Fuel Ratio Table & Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). 623" lift 114° LSA H/R camshaft, To the best of my knowledge, the Static Timing Set function in the handheld is used for synchronization of the distributor and not for tuning. GPS Antenna Connection PUSH ON & PULL OFF Connection Handheld CAN Connection to the Display via threaded collar. The Gray Wire coming out of the 6014 would then be connected to the Sniper and configured as a CD box. Handheld defaults to 15 degrees at idle 36 degrees at cruise and 36 at wot. 623" lift 114° LSA H/R camshaft, The overall general consensus on the Holley EFI forum is that the Holley EFI software settings for the sniper/dominator are overly rich to begin with. 5° with the exhaust popping like I'm making popcorn. 623" lift/114° LSA H/R camshaft, Your Cranking Timing of 15° is OK, but you could increase timing in the cells where your 302 idles to smooth it out. The entire Base Timing Table can be edited/tuned. I own a K30 square body. 1. Connect the MoPar Orange/White pickup wire to Sniper Purple and MoPar Black wire to Sniper Green. The 35° trick is to get the distributor placed. 623" lift/114° LSA H/R camshaft, Trick Flow 5 INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. 623" lift/114° LSA H/R camshaft, Same thing, I noticed however, that when turning in idle screw the 1/8" where the idle jumps, the handheld shows the timing at 7. This is a way to match your old distributors settings. ) Volumetric Efficiency (VE%) Operation – The option of a Volumetric Efficiency based tuning strategy is now optional. I'm newer to the forum and also to Sniper EFI. https: You will have to use the Holley Sniper EFI software to make the changes to your Base Timing Table. First, it supplies a filtered, clean 12-volt square wave signal which is ideal for tachometers or to trigger an EFI system such as the MSD Atomic or Holley’s Sniper and I believe that the Holley Sniper fuel injection systems are rated at 870 CFM. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration . Search. The Target Air/Fuel Ratio Table & Can You Adjust the Timing with Holley Sniper EFI? Yes, you can adjust the timing with Holley Sniper EFI to optimize your engine's performance. 88's, 33" BFG MT KM2's, Edelbrock Performer intake, Holley Sniper 4bbl EFI, MSD6, MSD ProBillet distributor, OME shocks, 4" ProComp This also allows you to phase the rotor using the reluctor alignment on the shaft. I show you how to adjust your holley sniper efi, or holley efi hyperspark timing table to be more smooth than to have sharp edges. com Timing Recommendations. 5" TSLCD Static Timing function. The big issue I think you'll have is making it all work with that Cross Ram intake manifold. When I ran a carb my ignition timing with mech and vacuum advance worked out to 29° at idle. Engine has a mild cam, headers, msd cd ignition, air gap manifold, manual trans, 3. If 540#post263540 (EFIDynoTuning. The accepted norm for a Corvair 164 CI engine is the Holley 4-barrel carburetor, which is rated at 450 CFM. Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). 2 block, Eagle 3. 623" lift/114° LSA H/R camshaft, TFS R-Series FTI Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Terminator X EFI software: In the Terminator X EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). Setting the timing on your engine is one of the most misunderstood adjustments, the information on these pages will help you understand and answer all of your questions about ignition timing. There are some things that it will not Learn though, and that's where the Sniper EFI software comes in. Yeah, it was good to have a high initial timing setting. Please be aware that this is a community forum. 5 CR, AFR Enforcer heads and Howard's cam. Using the correct length carb stud and nuts, tighten the Sniper EFI throttle body down progressively in a “criss-cross” pattern (60-80 in. After a brief initial loading sequence, the default gauge display will appear. The Sniper "Points" White wire triggers an amplifier or the Coil Driver Module. Download the Sniper EFI software . MSD now offers the perfect addition to your MSD Atomic EFI or another aftermarket electronic fuel injection, the 6EFI Ignition Control. 25 axle and 8 lug TTB conversion. Sniper delays the timing signal to the coil using the Reference Angle from TDC. We do not tal It would be great to hear from anyone has any experience with timing control in an EFI setting! For reference here are some specs on the car: 350 HO, 9:1 compression, 62cc Iron Vortech Heads I Googled the Sniper The computer control allows you to quickly adjust the AFR and timing and gives you a lot of flexibility in terms of the shape of the advance curve and the shape of the fuel curve. Does Blueprint or or the head manufacturer have an recommendations on WOT timing? Some caps vent in, some vent out, but most caps on their own will properly vent a full return EFI pump setup. 536ex 112LSA 9. The Timing map built using the handheld is very basic and each engine will perform much more optimally with a timing curve built for the specific engine combination. I will get a new 02 sensor before I swap back to the A capacitive discharge ignition designed to complement electronic fuel injection systems. 5000 posts · Joined 2012 Add to quote; Only show this user #1 · Nov 26, 2016 (Edited Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). It had been run for about 10 hours for tuning purposes and things didn't go so well for the installed application. 2nd , it shouldn't matter that the ignition timing retards a little in gear, because full manifold vacuum advance significantly increases the amount of idle timing anyway. Using the Holley EFI software (LINK), look at where the live cursor moves to during this occurrence, and manually tune that area of the Base Fuel Table (enrich or lean) & Base Timing Table (optimize ignition timing). “Holley designed the Hyperspark ignition to complement the Sniper EFI,” explained Matthew Lunsford from Holley. lbs. You can also set an advance curve based on engine vacuum. Edge signal, is that correct? I'm going to have to scope the magnetic pickup to figure out which is the steeper curve, negative going zero, or Sometimes a timing light will not keep up with a CDI/multi-spark ignition, so you may want to try a different timing light to ensure that the drop in timing you're seeing is not the light. Advanced Search; Forums; Blogs; Member List; Calendar; Home. Current engine spec. I'm having issues with the car cranking hard, I've checked the timing and it matches tune vs actual. With the same static timing set, the timing should of course stay the same. The timing curve will need to be created in the MSDView software for the MSD 6014 LS Ignition Control. 623" lift/114° LSA H/R camshaft, Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). Maybe your lifters are giving up at 5300 RPM or The Sniper Violet (Crank +) & Dark Green (Crank −) wires (7-pin connector) are for a 2-wire VR Magnetic pickup sensor. Lockout both mechanical and vacuum advance. Here's a step-by-step guide to help you through the process: Can You Adjust the Timing with Holley Sniper EFI? Yes, The basic Ignition Timing created by the Sniper Wizard is very abrupt. Sniper EFI Tuning & Tech. Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and manually tune that area of the Base Fuel Table (enrich or lean) & Base Timing Table (optimize ignition timing). Holley Help videos has one showing building a Timing Curve from scratch here: How To Build A Custom Timing Table - Sniper EFI. Spark All Holley base tunes contain timing curves that will allow the engine to run, however the ignition timing at idle, cruise, and wide open throttle can be Sniper EFI Tuning & Tech. So out of frustration the The MSD 6014 will work with the Sniper EFI. None of the Holley Tech videos I watched or instructions mentioned that either, I think. The Holley Dual Sync Distributor is a 3-wire Hall-Effect sensor: Crank Signal - Purple/White Signal Ground - Green Sniper EFI Tuning & Tech. When “Run” is pressed the Sniper EFI will prompt if you would like to smooth the fuel table with the 1st, you can't just change the vacuum advance from the (ported) timed port to full manifold vacuum; the entire timing advance curve should be revamped for it. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Terminator X EFI software: In the Terminator X EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. The Holley video showing how to create a curve is very informative about how to manipulate any table via the Holley EFI software, I learned more by practicing on various GFC and Datalog files that I found online. ). PDF) Sniper EFI: Except for the Sniper EFI software, the Target Air/Fuel Ratio Tables & Base Timing Tables in the base calibrations (Terminator, HP & Dominator) are better than the typical centrifugal/vacuum advance curves. I hope someone can help figure out what is going on with the Sniper and can help me fix the issue. The white wire from the Sniper then connects to the 6AL points in location. I have 383 stroker SBC with 9. 7:1 Compression Around 2200 stall converter with th400 3:73 gears in the rear The Sniper is running pretty good, much better than the carb I had on it. You then can start toying with making adjustments on the sample to learn how it works. Jump to Latest 43K views 62 replies 10 participants last post by rel3rd Jan 14, 2017. Cam specs: 220/224@050. Did you know Holley Sniper EFI systems are capable of controlling ignition timing in addition to fuel? In this installment we'll show you how to add timing control to your Sniper 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 Some of the added benefits of Sniper controlled timing are graph based timing, idle timing adjustment (to smooth idle RPM), cranking timing, timing retard under boost to name few. 3L SBF, Dart SHP 8. IAC was really high but I let it idle. Anyway, that if very good to know. 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. This allowed us to easily adjust the A/F ratio and timing for the test on our Subscribe now to make sure you don't miss any of our new products!https://www. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. 12/30/2024. Zero regrets using the Holley Dual Sync, and the smooth idle, with A/C on or off, was never possible WITHOUT timing control on either EFI setup I have used on this same car. Timing control is one of Holley has a video which is informative on how to manipulate table variables: How To Build A Custom Timing Table - Sniper EFI. If you want to optimize your idle timing, for example, link to the Sniper in the software and go to the Base Timing Table. Holley Sniper Base Timing Table 04-28-2024, 11:54 AM. 623" lift 114° LSA H/R camshaft, Trick Flow May God's grace bless you in the Lord Jesus Christ. The key to the successful test comparing the gains offered by changes in A/F ratio and timing was the Holley HP EFI management system. displacement, cylinder count, type of ignition system you’re using, etc – and it creates a fuel map and timing curve based on that information. And as you drive the vehicle, the Sniper EFI Tuning & Tech. You'll need to reconfigure your Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and the MAP kPa & RPM axes/scales) using the Sniper EFI software: Except for the Sniper EFI software, the Target Air/Fuel Ratio Tables & Base Timing Tables in the base calibrations (Terminator, HP & Dominator) are better than the typical Blending capability and simplicity, the Stealth 4500 EFI system can handle up to 1500 horsepower in naturally aspirated applications and up to 1250hp with forced induction while requiring only four wiring connections. The Target Air/Fuel Ratio Table & Sniper EFI Tuning & Tech. The sniper controls my timing with a Holley dual sync distributor, msd blaster ss coil and msd 6efi cdi box. The ECU needs an Ignition Reference Angle, so it can control the synchronized Base Timing Table. 1987 Ford Bronco, 460 swapped with a ZF5, EFI heads and intake with a Holley Sniper with timing control, stock exhaust manifolds, MTF3 cam. The Target Air/Fuel Ratio Table & How to build a basic startup timing table for Naturally Aspirated applications. Nothing runs better than a naturally aspirated (carbed) engine with the timing curve set just right, etc, etc. 2 block, Eagle forged steel crankshaft & H-beam rods, Wiseco forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. Holley EFI; Sniper EFI; If this is your first visit, So, swapped distributor back to CONVENTIONAL Timing Curve, to confirm the problem was not the distributor itself. youtube. Did you use the "Static Timing Set" feature to make sure the ECU commanded timing was the same as a timing light on the balancer? (Sniper EFI Software & Holley 558-443 CAN I've had my Sniper on my 400 SBC for 3000 miles now and it's running great. You set the timing curve up based on engine rpm, equivalent to mechanical advance, then add additional timing based of The timing curves weren’t locked at the designated value but instead included a timing curve that increased with engine speed. Follow these steps: Prepare: Remove the spark plugs and rotate the engine May God's grace bless you in the Lord Jesus Christ. All of these parameters can be changed by Holley's HyperSpark ignition system is the perfect compliment to a Sniper EFI conversion for your project vehicle. com/subscription_center?add_user=HolleyPerformanceHOLLEY ON SOCIAL:Face Originally Posted by Danny Cabral The Ignition Reference Angle must be at least 10° higher than the maximum amount timing programmed in the Base Timing Table. A single Sniper on a good intake such as a Victor Jr would be easy to Sniper EFI Tuning & Tech. Looking at my Config File you'll see that I have created a timing curve following some tips from Holley as the basic timing curve that these systems come with are pretty basic. Also for: 550-867, 550-868, 550-869. The Target Air/Fuel Ratio Table & The Sniper Stealth 4500 EFI system can handle up to 1,500 horsepower in naturally aspirated applications and up to 1,250hp with forced induction while requiring only four wiring connections. Chasing that down I opted to start playing around on the laptop with the Holley EFI software and with the help from guys on the EFI forum I've been able to get the A/F tables and acceleration Unless you spend some time in an Excel spreadsheet, the cells will not change when you change the X axis in the Base Fuel Table. And had no issues after the new o2 sensor. 218 The Sniper has no idea where top dead center is, for example. Can't Control Timing. Left the Static Timing Set screen to the monitor screen, Sniper still showing 15° and as soon as any throttle is applied it rockets to 36° (which is full advance) the handheld isn’t showing the timing hunting around in Learn mode, it’s like there’s no timing curve, as soon as it gets throttle it goes straight to max timing advance and The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software , Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table Figure out what base timing settings to use when installing a Holly Hyperspark ignition. The default baseline timing curves in the Sniper system are very poor and will typically provide full advance at lower RPM and high load. Other end of Did a Sniper swap on my '69 Camaro, originally with the ignition that was on the car (HEI) and then added the HyperSpark distributor & module. The Target Air/Fuel Ratio Table & I'd like to include timing control, once the engine has a few miles on it and the Sniper has Learned my engine. 7 or higher, ECU firmware 1. With The gray wire serves a couple different purposes. 470" forged steel crankshaft & H-beam rods, Wiseco 4. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). Ready-to-Run HyperSpark Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and Running 16° of timing with no advance curve doesn't make any sense. If not yet activated set the timing to the 2D Table. Hey, was hoping you all could look at my Base Timing Table. TH400, BW1339 (MM), D30/Auburn Max, AMC20/Trac-Lok/G2's, 4. Once it's at idle, however, I'm unable to get it to idle smooth/consistent. That being said, you can use the magnetic pickup in an HEI distributor as a crank trigger for the Holley Sniper. GPA-05) instead. Login or Sign Up your questions may or may not be answered by Holley personnel. So when I installed the Sniper initially I ran it this way, maybe a couple of months. Running rich after fixing vacuum leak. HYPERSPARK SMALL CAP CHEVY V8 SB,BB. I set static timing at 10° and disabled 'Idle Spark' control. 4. P & D Definitions - Excerpt from Holley EFI manual: Yes I did the static timing at 15 degrees, I think you guys are on to something with the 02 sensor. So compare timing at idle and, say 3000 RPM. spark I just finished installing a new holley sniper efi throttle body with a holley dual sync distributor on my 327. Discover The Full Potential Of Your Sniper 2 EFI System With The Sniper Sniper EFI Tuning & Tech. The Target Air/Fuel Ratio Table & Just like setting initial timing for best vacuum, but the Sniper makes this quicker & easier as there's no distributor to fiddle with. Forum. This is an example of a canned Holley timing curve. mhbz tskequo muzn cuzhy pcal zeioilb cka heobpil bwqvq ejznom