” You can think of these as the accelerator pump shot and shooter size part of the tune up. EFI Tuning Fundamentals: Acceleration Enrichment. Distributor or C rank T rigger: This sensor provides the ECU a signal it can decode as RPM. Acceleration enrichment tuning; Drive by Wire Throttle body controls; GM / Ford transmission control; General data logging; And more; The tier two class will expand on what was learned in the Tier one class to include advanced tuning and set up principles. Acceleration Enrichment is one of the most challenging parts of MS To tune and outside of the ambient temp curve on most ECU's probably where most OE's spend the majority of their tuning time on a car like the Miata. By looking at the rate of change of throttle blade angle, the computer can determine how quickly the throttle is being opened and can supply the extra fuel required momentarily to alleviate the lean condition. 4 on pump gas. Many car crafters roll their eyes and tune out when bench racing turns to electronic fuel injection (EFI). , this two-day course has a cost The enrichment value is added to the “VE Absolute” number. Im running idle speed at 750 with AFR SP at 13. The enrichment lever will stay on the power stop as long as the car is under hard acceleration. They’ve enabled going to fuel injection with the least obtrusive modifications from the car’s original SUKATAN PEMBELAJARAN PTSD LEVEL 1 * Tutor menggunakan bahasa melayu semasa Training. to 5:00 p. Low-frequency electromagnetic plasma waves excited by the electron firehose instability (EFI) can account for the acceleration of ions up to 1 MeV amu<SUP>-1</SUP> energies as a single-stage process. 66 microsecond injector pulse width resolution. Rather than with a manual throttle cable, when the throttle is suddenly WOT, enrichment CAN be too much at that point in time, which hurts emissions and fuel economy. DAY 1 - WIRING Why is Wiring Important? EFI Pro 16h, installing it in June 2019. The speed that the engine is turning over. WOT 1100, 3000, 6000 are your acceleration enrichment settings and are used for adjusting the desired fueling for accelerating under either part throttle or WOT. Much like the pump shot of a carburetor, the Sniper has an acceleration enrichment feature that provides fuel on throttle tip-in. The your acceleration or other AFR settings. 1976 EFI Fuel Pressure Regulator. The ECU detects the rate of change of the voltage across the potentiometer connections and when appropriate, triggers the acceleration enrichment circuits. 0 Target AFR at cruise 14. • Acceleration Enrichment (AE) adjustment +/- 20% • Lambda Closed Loop switch ON/OFF • Throttle By Wire (TBW) speed up switch ON/OFF Necessary Tuning Components DIAG4BIKE Serial Diagnostics (V12/13) EASY (BLUE) TUNING DONGLE Acceleration enrichment is to make up for the fuel in the intake manifold condensing out to the walls when the pressure goes up. Cubic Inch add extra enrichment should the user jab the throttle. For Conventional EFI The other issue was a stumble on initial acceleration. A new mechanism for acceleration and enrichment of 3He during impulsive solar flares is presented. If the car does not buck under acceleration, you are close to correct settings. 1:1 AFR, or Lambda = 0 Many car crafters roll their eyes and tune out when bench racing turns to electronic fuel injection (EFI). -Supports a wide variety of OEM cam and crank position sensors. Dr201. 2 seconds) and increase the accel enrichment bins. Joined Sep My problem was some hesitation on take off from a stop and when accelerating at speed. 8. The tier two course also runs from 8:00 a. I had to give up on TPS-based enrichment due to a binding TPS, and use MAT instead. The tier two class will be a refresher for tier one that is expanded to include advanced tuning and set up principles. Make final changes 15. • Decaying, Variable Time Acceleration Enrichment (ACE-5): The full value entered in this enrichment will be added when the acceleration mode has been engaged. That said, it is assumed that the user of this product has a thorough understanding of internal combustion engine operation. Acceleration enrichment tuning. LUCAS EFI Control Units for the Jaguar V12 Types 6CU, 16CU, 26CU, 36CU (also 8CU acceleration enrichment, over-run cutoff thresholds, and so on. Do you need to control 2, 4, 6 or 8 injectors? Is integrated boost control a requirement? Do you need to accommodate A/C idle control via the BAC (bypass air control valve)? How well suited is the ECU to climate in your area for cold starting? How is acceleration enrichment handled? The ECU detects the rate of change of the voltage across the potentiometer connections and when appropriate, triggers the acceleration enrichment circuits. If you don't already have one of these, we can supply one as shown above. For these initial settings, you’ll want Wall Wetting AE (EAE) to be off Acceleration enrichment Post by manta106 » Thu Sep 15, 2016 1:24 pm in most fuel systems there is a map to adjust for the load increase when rapidly opening the throttle, Does t7 have this? if so whats it called? The system would, during random times, go through what is called a "Reset". Benefits: Instantly correct snatchy throttle response Hard acceleration Smooth ride in the low RPM […] Do you need to control 2, 4, 6 or 8 injectors? Is integrated boost control a requirement? Do you need to accommodate A/C idle control via the BAC (bypass air control valve)? How well suited is the ECU to climate in your area for cold starting? How is acceleration enrichment handled? Both electronic fuel injection and carburetor systems offer enhancements for warm up periods and for acceleration enrichment. I rounded off my hour or so of tweaking by adjusting the acceleration enrichment tapers, after switching AE on of course. Now read or download the whole nine page document in PDF format here (294kb) 4. 7, any accelerator needs beyond that will require one of our technicians to go over with you. Which is only 45-60% throttle position on the datalogs I’ve taken. The vehicle acceleration rate: Can be used to gauge how much of an improvement your making by accelerating faster or slower. As I suggest above let’s start with the fuel prime percent, taking it from 150% to 100% and see what that does. Racing EFI setups most often give the tuner the ability to tailor the fuel map to a specific performance need, such as increased enrichment for throttle action, acceleration, anti-stumble, or cooling. level 1. How to Tune Acceleration Enrichment in Holley EFI // Terminator X, HP, Dominator & Sniperonce again, i made a video too long. your AE vs TPS/MAP RoC Blanking values (in Fuel Modifiers/Fuel Control): If they're 15 & 7, those are the old values from the V1 ECU firmware. Acceleration-Enrichment Simulation - Pulses simulating acceleration enrichment are applied to the ECU board by a computer-con-trolled pulse generator, which produces a double string of 20 pulses at either 25 or 125 pulses Left: The Acceleration Enrichment Fuel versus Air Temp graph. ” Acceleration enrichment tables can now be adjusted to provide subjectively good throttle response. Cubic Inch I did manage the above, but I think the compensation was 0. Do not make adjustments on this section until the engine is fully warmed as it may still have additional fuel added by the “WUE. The Sniper EFI throttle body is available in three finishes: shiny, black ceramic, and classic gold. And, the printer’s powerful LED technology is capable of printing directly on a wide range of Holley HP EFI GM LS 58x ECU & Harness Kit w/ Bosch O2 550-607. This is a fuel multiplier that is used to add fuel under load and hard acceleration. 0 Acceleration enrichment 29. For a limited time, save an additional $100 with coupon code 100VIP. This helps cool the The Sniper EFI throttle body is available in three finishes: shiny, black ceramic, and classic gold. 71). to 4:00 p. Adjust the Accel Enrichment by opening Accel Enrich then Time Based Accel Enrichment. There has to be some minimum threshold of movement/Rate of Change (ROC) below which fuel is not added due to signal "noise". a couple more screens that you need to deal with in terms of acceleration enrichment Acceleration-Enrichment Simulation - Pulses simulating acceleration enrichment are applied to the ECU board by a computer-con-trolled pulse generator, which produces a double string of 20 pulses at either 25 or 125 pulses Left: The Acceleration Enrichment Fuel versus Air Temp graph. Manifold pressure is the biggest influence on this and acceleration enrichment will need to be adjusted to suit each condition. On 1968 and 1969 models, a pressure switch connected to the intake air distributor signals when pressure approaches atmospheric pressure (wide-open A FT600 is FuelTech’s most advanced engine control and monitoring system. how the Electronic Fuel Injection system functions on 2001 and Later EFI-equipped Softail models, 2002 and Later EFI-equipped Touring models, 2004 and Later Dyna models, and 2004 and later V-Rod models. Perfect—if you have the original synchronous linkage. The EFI arises as a direct consequence of the free energy stored in a temperature anisotropy (T_parallel>T Acceleration Enrichment, disable for datalogging? I am thinking yes, because when I hit the throttle my BLM is at 128 for that instant while AE is enabled, and I think this is only due to the AE, since right now it is lean (BLM over 128) at all other times. In addition to controlling fuel mass flow, by way of injector orifice size, fuel pressure and injector dwell time, modern systems will control end of injection angle, individual cylinder trim, acceleration enrichment and of course, response to changes in air density. Low-frequency electromagnetic plasma waves excited by the electron firehose instability (EFI) can account for the acceleration of ions up to 1 MeV amu-1 energies as a single-stage process. It's like I turned the ignition key off and back on quickly while driving. TPS Rate of Change and AE vs. New sensor cleaned up most of the smoke. I would get a back fire through the intake sometimes when I would give it more throttle than needed. 050 110LSA. 302 60', 5. V-ROD EFI. add extra enrichment should the user jab the throttle. 6 lb/hr Idle is set at 725 rpm Hello. By Andy Bolig December 12, 2017. You may want to try a short acceleration shot time (like 0. Like I said, when the engine is cooler it doesn't exhibit this issue. Improving the fuel injection on your Liquid Cooled EFI Triumph Twin couldn’t be easier than with the BoosterPlug Super easy to install, the BoosterPlug attaches directly into your bike’s wire harness using OE connectors. It is written specifically for MegaSquirt ® or MegaSquirt-II™ EFI users who are new to tuning engine with a programmable controller, and tries to make very few assumptions about what you already know. Pulse Width – Rate of change of TPS This tuning provides the same function as a carburetor's accelerator pump and should be well tuned on every application. There’s no wire cutting or splicing necessary. Volumetric Efficiency 4. These are the minimum amount of change of TPS position or MAP pressure reading, respectively On an opposite note, Acceleration Enrichment can't be tuned until the Base Fuel Table is well tuned. Normally, the cold start valve does not provide additional enrichment when the engine is warm. If that doesn't help, I guess timing is the • Acceleration Enrichment (AE) adjustment +/- 20% • Lambda Closed Loop switch ON/OFF • Throttle By Wire (TBW) speed up switch ON/OFF Necessary Tuning Components DIAG4BIKE Serial Diagnostics (V12/13) EASY (BLUE) TUNING DONGLE The other issue was a stumble on initial acceleration. The enrichment value will then decay to zero once the ACE-4 value has been reached. The Pro 16h revolutionizes production The Pro 16h features an EFI Fiery® proServer Core digital front end with FAST RIP acceleration technology that helps get work prepped and printer faster than before. 4 to 12. 7:1, run no leaner than 11% rich for lightly-loaded, normally-aspirated water-cooled engines (~13. To access the Basic Acceleration Enrichment settings in TunerStudio, click the ‘Accel Enrich’ button at the top of the screen, and select ‘Acceleration Wizard’. Acceleration enrichment (AE) is used in a fashion like ‘pump jets’ on carbs - it is designed to enrich the fuel as the throttle is opened, to compensate ‘in advance’ of the drying of the intake manifold, and the increase in airflow, before the VE map takes over and provides steady state fuelling. I just posted the numbers the software entered in those boxes automatically. $99 USD. Use the datalog Overlay to see how long you are actively adding acceleration enrichment. Fuel Moto EFI Store. Class size is again limited to 15 people per session. I got an oil leak to figure out now and then I think I'll be ready to roll again. The engineers at FiTech have made an art of building EFI systems that are designed to upgrade carbureted daily-drivers and race vehicles. Read section 10-Required Additional EFI Tuning and Appendix 1-Acceleration Enrichment (pg. As you see above, the Sniper is going to dump in a maximum amount of fuel at zero TPS, begins to remove acceleration enrichment at 60 percent TPS, and then removes all acceleration enrichment correction at 100% TPS. And, the printer’s powerful LED technology is capable of printing directly on a wide range of Acceleration enrichment Post by manta106 » Thu Sep 15, 2016 1:24 pm in most fuel systems there is a map to adjust for the load increase when rapidly opening the throttle, Does t7 have this? if so whats it called? FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications Fuel Air Spark Technology JavaScript seems to be disabled in your browser. I did manage the above, but I think the compensation was 0. 1. Seems OK in full open loop so I will run it that way a while. You get the rich tail because the regular fuel delivery eventually catches up with the additional fuel in the acceleration enrichment event and the engine runs rich. -Accelerator pump or model based acceleration enrichment. Thanks for fuel-air enrichment is dependent on temperature of the engine, outside air temperature, and the heating element inside the thermo-time switch. For Conventional EFI Throttle Position S ensor: This sensor is responsible for acceleration enrichment and informs the ECU when the engine is at idle or moving down the road or track. Enginebasics is the wiki or wikipedia of car part, repair, how to and tuning information. On a COLD start-up my 1976 EFI Eldo starts and runs fine thru the entire drive regardless of length of trip. 9. The cruise AFR only affects cruise, so it will not affect your acceleration or other AFR settings. If you have a momentary lean spike, on light throttle acceleration, check. FuelTech FT600 is the perfect association between the ECU and the dashboard, making it the world’s most complete solution presenting both features combined. 7. Loosening the AFM return spring also has the same effect, but also richens the mixture within the operating range of the AFM. Sort by: best. 05-01-2019, 11:55 AM. fuel-air enrichment is dependent on temperature of the engine, outside air temperature, and the heating element inside the thermo-time switch. 4. After you have the VE table dialed in, then start adjusting the acceleration enrichment. And more. If accel enrichment isn't really the right answer, then I'll start playing with the AFR cells in that area. MAP Rate of Change - Acceleration Enrichment (AE) fuel is added when there is a change/movement in the TPS or MAP sensors. Acceleration enrichment (0 = none, 10 = maximum) The tables above show the engine operating ranges affected by fuel trim values in terms of RPM and throttle position sensor (TPS) values. Without TPS (acceleration) enrichment you will still be miles ahead of the CIS injection system which could never get in the same ballpark of this type of fine AFR tuning. 4 Acceleration Enrichment Tables/Fuel Modifiers. , but it is a two-day course. AE vs. Very errattic and very difficult to drive in any . 0 from 88-94. Capable of driving up to 16 low and high impedance injectors with multiple strategies. Throttle Position Sensor (TPS) Rate of Change. The FT600 has a new and exclusive extremely high quality aluminum shell, which is also waterproof. Our VIP Package gets you every single course at 80% off the individual price. This is especially the case with EFI units incorporating ignition control. Watch This Course. Tune Full load RPM sites 13. This caused the ECU to go through the afterstart enrichment, fast idle and, of course, the car jerks and the system shuts off and comes back on. LOST_ALT_MUL-lost but it’s 13. Acceleration enrichment The air-fuel ratio becomes lean, especially during the start of acceleration because a fuel supply lag tends to occur during acceleration against the rapid change of the amount of the intake air when the accelerator pedal is depressed. The FT550LITE is perfect for projects that need more resources. LOST_ALT_MUL-lost * Always begin with the fuel manufacturer's stated stoichiometric air/fuel ratio for their gasoline as your base target AFR and then set your power-enrichment WOT commanded AFR from there. If the throttle is opened abruptly, the air-fuel mixture is momentarily leaned-off, and a short period of mixture enrichment is needed to ensure good transitional response. 00msec/volt, but under cranking it was a big starting issue, as the 9. A Stoichiometric air-fuel ratio is 14. When converting to forced induction, turbocharging, or supercharging, EFI will enable the user to program boost-relative enrichment easily, usually leading to substantial power increases as a result of accurate fuel delivery. Megasquirt acceleration enrichments went out for a blast this afternoon and noticed that when i accelerate hard the AFR gauge on my megatune screen just goes straight into the lean area of the gauge sometimes maxing out at 20:1, is this down to the acceleration enrichments how do i go about adjusting them. Yes, on a two step this would be a very different thing. The average for these vehicle acceleration rate: Can be used to gauge how much of an improvement your making by accelerating faster or slower. SE Race Tuner / Super Tuner - H-D. Also, at full throttle the ECU detects a maximum voltage signal to provide full load fuel enrichment. The FT550LITE is an engine fuel control and monitoring system from FuelTech: electronic fuel injection, data acquisition and power management. To properly tune an engine, you need to know what fuel trim values are required. In a carburetor the fuel-air mixture ratio is fixed by the size of the jets, while in an electronic fuel injection system it is fixed by the design of the controller. Tune light load RPM sites 11. One common misconception is that stop positions can be set on a workbench by using a vacuum gauge plumbed to the enrichment diaphragm. However, when I stop engine and return after about a 20 minute duration, upon trying to start, the engine "rolls" on idle and sometimes will stall out. The EFI arises as a direct consequence of the free energy stored in a temperature anisotropy (T > T) of the your acceleration or other AFR settings. Heads are fairly free breathing AFR 185s (aluminum CNC ports). Fuel and Ignition Control for 4, 6, 8, 10 cylinder even fire engines. The Tier Two course runs daily from 9:00 a. Whenever a setting is Holley EFI Training Course Part 19: Acceleration Enrichment walks you through how to properly program the acceleration enrichment based on the rate of change in MAP and TPS. -Allows blending multiple load types, including specialized mode for independent throttle bodies. To prevent a stumble or hesitation, the ECU uses an acceleration enrichment fuel strategy. These have a 5/16 (8mm) female, D drive. Crankshaft position sensors allow the ECU to interpret how fast the engine is spinning and where it is at in its rotation. Acceleration enrichment is needed on any port injected engine as it is in relation to the fuel film on the port walls and valves. ed for Speed density) -0. As the air gets warmer you come to a zero point around 85 degrees, and then as the air becomes hotter and less dense you start pulling fuel. And if that doesn't work out you might need to do some hand-tuning on the laptop. Acceleration enrichment tuning; And more; The Tier Two class will expand on what was learned in the Tier One class to include advanced tuning and setup principles. Horsepower 3. It will occur at higher speeds in 5th when the weather is hotter, which is why I was curious about the accel enrichment. This throttle position sensor tells the ECU where the throttle is at in it's travel. 5) RPM (Revolutions Per Minute). Cam is 224@0. Below the line graph charts, you’ll see a TPSdot threshold and a MAPdot threshold. The acceleration enrichment needs vary depending on engine temp due variance in fuel vaporisation at different temps so it should taper down as engine temp increases. Tuning sessions can happen both in the car and or on our engine dyno. enrichment on acceleration. 0V under the starter, affected the idle and ASE quite a bit. 00. Basic EFI systems that perform fuel metering only typically allow you to fine-tune the Acceleration Enrichment (AE) to eliminate bogs on throttle transition. SUKATAN PEMBELAJARAN PTSD LEVEL 1 * Tutor menggunakan bahasa melayu semasa Training. The TPS enrichment "fine" tunes the AFR for maximum power during acceleration. Different lambda values can be generated by a fuel map program in the EFI controller. 7, which is the ideal ratio for “exhausting” the lowest emissions. my screen recording software i Default Acceleration Enrichment versus TPS Configuration. Q) PE Fuel is Power Enrichment. Review Data Logs and Power Graphs 14. Acceleration Enrichment There is a set of parameters with the software called “Acceleration Enrichment (AE) vs. Choose Your Ratio. What about EFI systems? EFI systems remove one of limitations found on a carburetor that cause this phenomenon – the fact that air and fuel are both coming into the intake at the Don’t go in and hit the fuel prime percent, the cranking fuel, the acceleration enrichment graph, and the acceleration decay rate all at once. Of all the L-series OE EFI tuning I have ever done, I have not found a need to alter that acceleration enrichment of the OE EFI above and beyond what adjusting the return spring for good cruise AFR has delivered. When a customer purchases a complete EFI engine from RCS or an EFI upgrade all our ECU Maps are calibrated to the engines demands for fuel, ignition timing, idle speeds, throttle response and acceleration enrichment tuning. April 22, 2020 at 11:38:39 AM. This value does not update after the hegos go warm so will keep the last value although unused. Acceleration enrichment table. For example, if stoichiometric is 14. Remember that with EFI, the microsecond the throttle linkage moves, AFR is affected and altered by the computer's TPS signal. With the acceleration enrichment bumped up to the max, 100%, and down to 3 for pump shot, the problem is mostly gone. The average for these LUCAS EFI. The average for these settings only ranges from 12. That allows the ECU to control acceleration enrichment, adjust the transmission gear, and perform several other functions. You WILL need some MAP-based AE because there are some situations where the pressure will change with no throttle input, like boost coming up or the A/C compressor kicking on. Re: Acceleration enrichment: wall wetting Post by mk e » Wed Sep 08, 2021 4:11 pm That looks a lot like what is described in the motec M1 manual and what I kind of semicopied into my ecu. Low-frequency electromagnetic plasma waves excited by the Electron Firehose Instability (EFI) can account for the acceleration of ions up to 1 MeV/amu energies as a single stage process. This input is a secondary input on most systems. DTHDOC · WHATEVER. Jump to Latest Follow 1 - 10 of 10 Posts. Middle: This graph is AE fuel versus coolant temperature. There’s also, acceleration enrichment tables that add fuel depending on the rate of change of throttle position and manifold pressure, that kick in under acceleration. Still had a little when opening the throttle which I tuned out by decreasing the acceleration enrichment. Any OEM potentiometer type TPS can be used with SDS. Acceleration enrichment is to counteract the momentary lean as the throttle is opened which slows the intake air speed, it is only active during increases in the throttle position. Tune medium to heavy load RPM sites 12. Systems configured for TP load sensing also use this sensor for throttle angle information. Laptop-tunable EFI systems, and those with engine management, allow you to fine-tune a number of parameters, including (but not necessarily limited to) the relationship of timing and A/F First – Read the Introduction to Harley-Davidson EFI Systems While it may be tempting to bypass instructions in favor of immediately using the Screamin' Eagle EFI Tuner, it is likely that some, or all of the information in the next chapter; Introduction to Harley-Davidson EFI Systems will be critical to your successful use of this The enrichment value is added to the “VE Absolute” number. It is an ECU, dashboard, data acquisition and power management system! FuelTech FT600 is the perfect association between the ECU and the dashboard; making it the world’s most complete solution presenting both features combined. In the MAP governed EFI system, the sensors can be grouped into three (3) groups: 1) Main metering (MAP and RPM) 2) Compensation (IAT and ECT) 3) Acceleration Enrichment (TPS) A FT600 is FuelTech’s most advanced engine control and monitoring system. Tune No-Load acceleration enrichment 10. Features & Benifits: Intuitive software and features designed for novice and veteran tuners. m. Learn more. This is an enrichment table that takes fuel out of the engine as it warms up. First – Read the Introduction to Harley-Davidson EFI Systems While it may be tempting to bypass instructions in favor of immediately using the Screamin' Eagle EFI Tuner, it is likely that some, or all of the information in the next chapter; Introduction to Harley-Davidson EFI Systems will be critical to your successful use of this Acceleration Enrichment There is a set of parameters with the software called “Acceleration Enrichment (AE) vs. A new mechanism for acceleration and enrichment of 3 He during impulsive solar flares is presented. All systems require a TPS for acceleration enrichment. TPS has quicker response, but this is a naturally aspirated car with a low compression engine — MAT is just fine. Back to course. · 3y. No matter of rpm. Resist the urge to adjust the VE table at this point, since the changes in measured lambda are a result of the wall wetting phenomena under changing conditions. They’ve enabled going to fuel injection with the least obtrusive modifications from the car’s original Fixing Acceleration Stalling: Initial Acceleration Enrichment Settings. It is required mainly for acceleration enrichment when the throttle is rapidly opened. LUCAS EFI. Acceleration Enrichment Obviously, there is no such thing as an accelerator pump in an advanced EFI system, but there is a set of parameters within the Holley software named “Acceleration Enrichment (AE) vs. It is strongly recommended to participate in the tier one course beforehand. Re: Acceleration enrichment Post by tpsretard » Mon Nov 15, 2010 11:24 am fred just finished a stage rally last night, when i unpack everything i will take some screen shots of the pectel and gems if you want, i think i can even toss in from motec too if you would like. Want to know more about your particular Make and Model vehicle? All of these vehicles are covered in the tech, maintenance and repair articles found above. Horsepower and Torque 2. Now read or download the whole nine page document in PDF format here (294kb) accereration enrichment During acceleration, the L-Jetronic meters additional fuel to the engine. Re: Alpha/N and Acceleration enrichment Post by OrchardPerformance » Wed Apr 24, 2019 12:29 am Given we have a working method at the moment I would say it is a low priority, it would be more of an issue for something with large individual throttle bodies or that is very sensitive to air flow. In the MAP governed EFI system, the sensors can be grouped into three (3) groups: 1) Main metering (MAP and RPM) 2) Compensation (IAT and ECT) 3) Acceleration Enrichment (TPS) Settings Target AFR at idle 13. EFI Tuning Fundamentals: Acceleration Enrichment. 95@116. I have some odd behavior that im trying to tune out so I thought id make a detailed post: Engine, Ford 302 stroked to 331. For me on a drag strip launch it is less than a tenth of a second. FUL_ADD_CLD-startup enrichment: From FN1361L the lambse subtractor table to provide startup enrichment. VIII. a couple more screens that you need to deal with in terms of acceleration enrichment Different means are used to signal enrichment for full throttle acceleration. It has GearController, G force sensor and all the functions of the PowerFT line of ECUs. and is a two-day course with a cost of $225. EFI Questions Answered With The Help Of Ken Farrell at FiTech. 0 Target AFR at WOT 12. Its design includes an upper flap that reduces glare and ed for Speed density) -0. Accel Enrichment: Acceleration Enrichment is the equivalent of an accelerator pump in a carb engine. EFI seems to finally all be working again. The 912E thermo-time switch is designed to stay energized for 8 seconds at temperatures below 350C or 950F The is an introduction to tuning with a programmable electronic fuel injection ECU. Acceleration Enrichment Wizard by dvanderk » Wed Mar 09, 2011 3:40 pm Can someone explain the graph in simple terms, because I understand its based on feeling of the throttle, but im not sure as what im looking at in order to know what im adding or subtracting. One of the great features of the Sniper is the ability to set your air/fuel ratio (AFR) where you want it. If tweaking the Acceleration Enrichment doesn't clear it up you might just need to wait for it to do some more learning. FuelTech- FT600 EFI SYSTEM. Street or Track tuning and testing. FUN FORMULAS. The 912E thermo-time switch is designed to stay energized for 8 seconds at temperatures below 350C or 950F Acceleration enrichment is to make up for the fuel in the intake manifold condensing out to the walls when the pressure goes up. When the IDL signal goes from on to off, the eCu delivers an acceleration enrichment fuel pulse.

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Efi acceleration enrichment 2021