HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. Holley EFI Global Folder from a regular Windows directory. 4) Double-click on the “496 650HP” (or other applicable engine) Global Folder. During his tenure, he has worked for two aftermarket electronics manufacturers, Clifford Electronics and Rockford Fosgate. Once you have finished with the physical installation of your Holley Dominator MPFI system, including the throttle body, ECU, wiring harnesses, required sensors, and fuel system components, you will probably take a deep breath (you’ve earned it) and ask yourself, “OK, how do I get this thing to run?”. I've seen problems with any of the 4bbl style efi (non-port injection) when used on a dual plane intake. Type an appropriate name for your tune, and click Save. Remember, we just need to get a base tune in the ECU so we can start the engine. From that data, you will enter values in the table that coincide with what you ran at idle, cruise, and WOT. All of the other sensors in the software are also set to default to the Holley sensors we used in the installation. There is a new checkbox called “Use Custom Table Font”. A Global Folder has the following discrete files at a minimum: Each of these files is created (or tweaked) by the user in the software by choosing the appropriate icon in the title bar. 1) Launch the Holley EFI software from the icon on your desktop. Pull out the notes that you took earlier regarding the timing your vehicle had before (assuming this isn’t a fresh build). Watch below as Jeremy talks you through getting your idle absolutely dialed in on your Sniper EFI … X/Y Axis Modification - The other thing that should be done at this time is to modify the X axis (RPM) and/or the Y axis (MAP or TPS) values if needed for the application. 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 • Modify the table according to your combination (in this case we set all cells to 31 degrees, which is exactly how timing was set up before we began the EFI conversion. Holley has you covered. TARGET AIR/FUEL RATIO: The values in each of these cells is based on E85. Save your tune in the Custom Cals folder to make it easy to find later.). You can find a complete listing of the included base calibrations in the Help menu (Help > Contents > Base Calibration Information). Put an end to cold start issues, hesitations, vapor lock, and flooding. This measurement represents the conversion of the gas value to value for E85. Table (from gasoline to our use of E85) as follows: 14.7:1 (1 Lambda) is stoichiometric for gasoline, 9.8:1 (1 Lambda) is stoichiometric for E85, 1 Lambda = 14.7:1 X A/F ratio/14.7 = Lambda. I hope the attached file can be … Holley’s HP ECU is standard equipment on the 2013-2016 Chevrolet COPO Camaro and Holley’s EFI throttle body powers every NASCAR Sprint Cup Series™ team. All values that were listed at 14.0 were changed in this table to 9.8 to achieve 1 Lambda with E85 in the all-important idle and cruise (drivability) areas, which is what was previously determined works best for the combination in its given climate when it was carbureted. If you’ve always wondered about EFI systems but were afraid of the perceived complicated wiring and tuning, or if you’ve ever wondered if EFI systems actually outperformed a carbureted engine, then this article is for you. The Holley software stores tunes in Global Folders. 2021 Holley EFI Tier 2 Training *Prior completion of Tier One is required* The tier two class will expand on what was learned in the Tier one class to include advanced tuning and set up principles. © 2017 Power Automedia. • Change Number of Sensors; this brings up a Sensor Averaging window, and for now we select Average. We've tried open a 4 hole spacers and all combinations of both. the VE table to act like it should. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. so we'll add time in here I'll use 20 degrees as an example readings at the top of the table will be for wide open throttle or zero vacuum. Bad things can happen if you put too much timing into an engine. Holley's popular factory training courses are back in 2020 with an updated curriculum to stay current with Holley EFI system updates. Looking for a plug and play alternative for your stock or built late model factory EFI engine? All rights reserved. Hello. You have two choices: build a base tune from scratch or tweak one of the base tunes Holley has provided. I've attached the file in hopes of someone reviewing & seeing if anything looks like it needs tweaking. The following reviews these calibrations. If you can here just looking for tips on wiring the Terminator EFI ignition control, you can jump to that. This engine made 907 hp at 7,000 rpm with a 1,250 cfm carb, so the Holley EFI system had a high bar to reach. At this point, the laptop is not plugged into the ECU. The Holley self learn builds a background fuel table with corrections values for the main table in order to achieve the air-fuel ratio inputted and to keep the cell transition smooth. • In the FUEL SYSTEM box, change System Type. All cells are updated accordingly. If you’re an advanced tuner, you may elect to build a base tune from scratch. The intent of this feature is for it to be used by tuners more familiar/comfortable with VE tables or those wishing to enter a fuel table from another system that was VE based. Finally, you can also fine-tune that rate of change of enrichment with respect to numerous variables. Top racers are making the switch to Holley EFI every day. As an example, 83LB Holley 522-838 will automatically trigger the low-impedance setting in the Injector Type selection in the INJECTOR SET 1 box. 6) Click on the System ICF icon on the taskbar (looks like an ECU). Smoothing can be done to smooth out VE tables and Spark Tables with a click of a button in the software. 3) Double-click on the Custom Calibrations (Cals) folder. What follows is a step-by-step guide to putting all that … 3) Smoothing – There is now a “Smoothing” button in the Base Fuel Table (located in the upper right 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! “The software allows for real-time tuning changes using the USB dongle. The purpose of this article is to drill down just a little into the igntion wiring for the Holley Terminator and Holley Sniper EFI Systems, comparing these two it a bit more detail than I've seen done elsewhere. As of 2016 Holley EFI is also used to control every NHRA Pro Stock car that goes down the strip! The objective here is to get you comfortable with the software, navigating it, etc. What you want to do is maintain the original base calibration, but add resolution. I contacted Holley and there data seems to only be fit for there efi stuff and is way out to lunch for hp tuners. Tony Candela has been in the automotive aftermarket electronics industry for 20 years and has held positions in installation, sales, management, manufacturer's sales representation, and regional sales management. Said "F' it and bought it. The SPARK SETTINGS allow you to build a Base Timing Table relative to RPM and MAP, manage retard for an optional knock sensor (electronic spark control, ESC), and set up modifiers for the timing based on coolant temperature and/or air temperature. One of the easiest ways to perform this is to open up two instances of the Holley EFI software: one with the original base tune (base fuel table and X/Y axis values) and one with the modified X/Y axis values. Want to learn more? All rights reserved. The HP allows you to … Purchased a Holley Sniper EFI for my GTX. (Idle speed is pre-set at 1,000 rpm. What follows is a step-by-step guide to putting all that wonderful hardware to good use. 5) From the Toolbox menu, select Preferences. The intent of this feature is for it to be used by tuners more familiar/comfortable with VE tables or those wishing to enter a fuel table from another system that was VE based. You dont want to just change the X/Y axis values on a good base calibration and leave the base fuel table values as they were with the previous X/Y axis values. It’s never a bad idea to verify this, though. If you are using an HP EFI ECU, you also select that here. In addition, the software allows you to enrich the mixture based on coolant temperature and/or air temperature as well as during acceleration and deceleration. It is very important to note that if you modify the X or Y axis values, and dont change the Base Fuel table values, that you are changing the tune of the beginning calibration. Although the software has a seemingly endless array of adjustments, the objective here is to get the vehicle running. When using a crank sensor, you need to define its type as well as which tooth rests nearest the pickup with the engine at TDC. The following 10 steps apply to the V2 software. You can achieve smooth transitions from cell to cell by highlighting multiple cells, right clicking, and using the Fill Column Values and Fill Row Values functions. • Close the SENSORS box before proceeding. Each of the cells in the table has a resolution to one-tenth. I don't wanna add timing. You can achieve smooth transitions from cell to cell by highlighting multiple cells, right clicking, and using the Fill Column Values and Fill Row Values functions. BASE SPARK: You are going to use the data you log for ignition timing for your combination. You may have to register before you can post: click the register link above to proceed. We used a 1-bar MAP sensor in this installation, which is the default. check out the. The process for building a base tune from scratch is explained in section 2.2.2, “Creating an Initial Calibration” in the Experienced User Tuning Manual (also found in the Help menu). Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. Click here to learn more. The software also offers advanced settings that can be made to the fuel settings to improve startup, eliminate bogs on throttle transitions, etc. Check Display Pressure as PSIA if you’d like to see MAP readings in PSI versus kPa. If this is the case, just use the original font. Then: • Click on the Learn Parameters box at the top, • Select Base Fuel Learn Enabled (for now, leave the Base Fuel Learn Gain at 100 percent), • Click Save and close the SYSTEM PARAMETERS box before proceeding. You really should know your camshaft profile, etc. Round up to the nearest tenth to make the mixture leaner; round down to make it richer. they do the very thing you describe, erratic AFR. This effectively changes the tuning, possibly to the point that the fuel table will be far from its original intent. so have fun! We even milled the divider out of a SBC intake. I recently switched to the progressive linkage and have only a few hours on the engine. The FUEL SETTINGS allow you to develop a Target Air/Fuel Ratio Map, which is a function of both engine RPM and MAP. 9) Click on Closed Loop/Learn in the SYSTEM PARAMETERS box on the left. I already have the Holley Sniper EFI gas tank with 255 Walbro pump and an o2 sensor installed so it should make for an easy swap. This content came from CarTech’s book, EFI CONVERSIONS: HOW TO SWAP YOUR CARB FOR ELECTRONIC FUEL INJECTION. The calibrations can be used with both HP or Dominator ECU’s. I finally gave in to the dark side. 3) Smoothing – There is now a “Smoothing” button in the Base Fuel Table (located in the upper right That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. on changing your ignition timing. Since we began with a tune that was originally developed on the gas scale, we converted the existing values to E85 values using a Lambda multiplier as shown in the math below. To prevent making changes to this tune, make a copy of this global folder, which is specific to your application, before proceeding. The learn table populates and can be transferred to the fuel map with a click of a button, which changes the fuel VE Table. If you change to the system font, note that the size may be too large to see all the values in some tables. We'll send you raw engine tech articles, news, features, and videos every week from EngineLabs. We will safeguard your e-mail and only send content you request. is the same font that has been always used in Holley EFI. 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Build the tune on the laptop that will be used with the vehicle. • Click on the Idle Speed tab at the top. (To do that, click on File > Save Global Folder As and choose your folder name. The SYSTEM PARAMETERS settings allow you to set specifics about the engine, fuel delivery, ignition triggering, how the ECU processes the feedback from the oxygen sensor, etc. In addition, you need to provide specifics as to which type of cam sensor you have and how you’d like the ECU to trigger the ignition system. Now, Holley provides adjustable cam tables in its tuning software. Taking some time to fine-tune the idle on your Holley EFI system is one of the best ways to ensure you have a consistent and predictable powerplant under the hood of your hot rod. "We have a variety of base maps. You want to put resolution where needed. It is a tremendous technology but still imperfect especially when used with an IR system. I've been having a weird lean pop at mid-low rpm that I just cannot tune out on my Edelbrock AVS carb. Holley's popular factory training courses are back in 2020 with an updated curriculum to stay current with Holley EFI system updates. If an engine will idle with 4 of vacuum, you want to remove resolution on the Y axis in the 0-30 kPa area, and add it in the 60-90 kPa area. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. http://forums.holley.com/showthread....4365#post44365, If this is your first visit, be sure to How about a replacement ECU for your older Holley C950? • Change Ignition Type to Custom, which brings up the CRANK SENSOR window, • Sensor Type default should be DIGITAL FALLING (in this case that was correct), • Change CAM SENSOR type (set to Not Used for this Olds EFI conversion), • Change OUTPUT SETUP type (Points Output in this case for the ECU to trigger the MSD Digital 6AL box), • Click again on Ignition Parameters on the left, • Set CRANKING PARAMETERS timing (we chose 12.0 degrees). You can either enter the values in the white boxes at the top and press enter, or click and drag the yellow boxes to the desired values.). Later, we add some timing in the idle and drivability areas to improve the burn of the mixture, improve fuel economy, lower exhaust temperatures, etc.). These factory direct training classes provide a unique opportunity to get advanced training and technical experience with Holley EFI directly from the people that developed the products you use. Sniper Ignition Wiring We tweaked this a bit for when the engine warms up. I even tried injector data from various different 42 lbs injectors and nothing seems to get it so I have nice control over the VE table. Especially when viewed bank to bank and watching fuel trims/corrections. Changing the values in the Target Air/Fuel Ratio Table is easy; click and drag all of the cells with the same value, type in the value you desire, and press Enter. Holley EFI Base Calibrations Holley provides a variety of base calibrations included with the software. These factory direct training classes provide a unique opportunity to get advanced training and technical experience with Holley EFI directly from the people that developed the products you use. To change the font type go to “Toolbox” and “Preferences”. Holley has included a number of base calibrations that can be loaded into the ECU so why not take advantage of that? Each has a brief description, and they are separated into TBI and MPFI base calibrations. After much guidance from members on this forum, I think I've been successful in viewing Config Files in the Holley EFI software. Holley just brought EFI within range - introducing Sniper EFI! Now we need to create a table to represent vacuum advance looking at the table, the first few rows in the bottom represents the time in advance at cruising or high vacuum. Holley EFI Global Folder from a regular Windows directory. There are many additional FUEL SETTINGS, but for now, we can leave them as is from the tune we’re tweaking. Go to www.holleyefi.com, click on “Technical” and go to “Resources and Documents”. You can learn more about this book HERE and use promo code “LAB” to save 35% off your order! To start viewing messages, select the forum that you want to visit from the selection below. © 2020 Power Automedia. Additional tuning may alter these values. We did. Holley EFI; Dominator EFI; Base Fuel/VE Table Generation; If this is your first visit, be sure to check out the FAQ by clicking the link above. 8) Click on Ignition Parameters in the SYSTEM PARAMETERS box on the left. The tier two course also runs from 8:00 a.m. to 5:00 p.m., but it is a two-day course with a cost of $325.00. Once you have finished with the physical installation of your Holley Dominator MPFI system, including the throttle body, ECU, wiring harnesses, required sensors, and fuel system components, you will probably take a deep breath (you’ve earned it) and ask yourself, “OK, how do I get this thing to run?”. before proceeding here. You can then copy/paste the fuel table values that share the same MAP/TPS rows (or RPM columns) from the original table into the new table. ... About the Holley EFI Systems. How to swap from a smaller map sensor to a larger one.have a car running great with a 3 bar map sensor but want to put 60 psi of boost to it? To tweak one of the base tunes follow Holley’s section 3.3.2, “Creating an Initial Calibration” in the Step-By-Step Beginners Tuning Guide (found in the Help menu). Candela has created and given hundreds of seminars on the topics of installation, application, wiring, and basic automotive electronics, and is the author of CarTech's best-selling Automotive Wiring and Electrical Systems. This brings up the SYSTEM PARAMETERS box in the left column. Build your own custom newsletter with the content you love from EngineLabs, directly to your inbox, absolutely FREE!
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