Mefi 3 tuning. This is not optimal for power or gas mileage.

Mefi 3 tuning. MEFI ECM We have replacement MEFI ECM's for most any application, including Mercruiser, Volvo Penta, Indmar, Crusader, Pleasurecraft, Marine Power, Kodiak, Mercury Racing, Turnkey, MSD, Painless, industrial, and many more. MEFI 5 is the newest generation of MEFI engine controller in widespread use. MEFI Scan & Tune TM Standard Edition provides a complete solution for tuning and monitoring your boat or off-road vehicle's MEFI engine controller. I am doing a frame off on my '55 vert. These are password protected EFI controllers that are not user-accessible and have a habit of running quite rich at part throttle. It also allows you to view all of The Complete MEFI ECM Solution - Tuning, Data Logging, Diagnostics for MEFI1, MEFI2, MEFI3, MEFI4, 4A, 4B Our Marine EFI (MEFI) Scan & Tune TM system allows you to download the internal MEFI programming to your PC or laptop with our MEFIburnTM program, change the operating parameters of the controller, and then reprogram the controller with your modifications. i am in the wrong buisness. All information, illustrations and specifications contained in this manual are based on the latest product information available at the time of publication approval. Feb 18, 2019 · Ladies, I am looking for some advice on ways to reduce the eye watering fumes that are coming form the tailpipe of my RamJet 350 MEFI3. It also allows you to view all of The MEFIburn Scan & Tune TM package comes complete with everything you will need to interface to generations of the MEFI controllers, including MEFI-1, MEFI-2, MEFI-3, MEFI-4, MEFI-4A, MEFI-4B: A USB - MEFI Interface Cable. We can custom tune your MEFI controller. Ramjet Tuning We have the capability to change the calibration and tune of your Ramjet 350 or Ramjet 502 MEFI ECM. I have the MEFI 3 computers in my boat & am wondering if the EFI live stuff will work on these. A quick tutorial on how to properly adjust/scale a TPS for a MEFI controller. Our custom-designed interface cable allows you to do real-time monitoring and data logging of the MEFI engine controller. Jul 10, 2022 · Hence you need wide band and this is where tuning the ECM comes into play. MEFI's can control both the Vortec series and the LS series. The motors have prochargers with 5lbs of boost, aluminum AFR heads and mid cams. You may call us at 316-648-1229 Between 8:00 A. Our price for a custom tune is $500. I know where the PCM is, it has only 2 plugs compared to the truck PCM's 4. After many months of R&D, we have come to a conclusion, MEFI Pro V. I am thinkinng of purchasing the EFI live tool & I undrestand that I will need a 3rd license to tune all the ecms. I’m looking for a competent tuner in SoCal. We have programs that have been developed on our engine dyno and on the water for bigger cam and superchargers. Sep 6, 2016 · General Q & A - MEFIBURN tuning help - am having a problem getting files to download to my mefi 3 ecm after using tuner pro. This service is based on you mailing us your MEFI controller, us modifying the calibration and programming your MEFI ecm, and mailing it back to you. This has the 10-pin Delphi MEFI connector on one end and plugs into your computer's USB port on the other end. On the bottom of the controller is a sticker with a part number. When i go to upload the files to the mefi 3 it gets to 96% and then says upload error please check your connections to the mefi and make sure it is on. You are simply modifying the MEFI 3 fuel tables by increasing the base pulse width (BPW) of the injectors at various break points (RPM and MAP). Apr 28, 2016 · What we are now offering is a live tuning option. If i could source a cheap cable it would be a very attractive option. It has the ability to do real-time monitoring of all engine controller parameters as well as the ability to change a large set of the most common tuning parameters (fuel map, spark map, rev Ramjet Tuning We have the capability to change the calibration and tune of your Ramjet 350 or Ramjet 502 MEFI ECM. MEFI 3 equipped models had no O2 sensor feed back for closed loop operation or air temperature compenstaion. MAP/BPW/RPM and Spark/MAP/RPM are the two of most importance. Selection of ECMs or Electric Control Modules for your Marine Power engine. Top Quality Source for Boat MEFI ECU Tuning | CO, KS, OK, TX, NE, AR, MO We keep changing and have lots more information comming your way! The Complete MEFI ECM Solution - Tuning, Data Logging, Diagnostics for MEFI1, MEFI2, MEFI3, MEFI4, 4A, 4B Our Marine EFI (MEFI) Scan & Tune TM system allows you to download the internal MEFI programming to your PC or laptop with our MEFIburnTM program, change the operating parameters of the controller, and then reprogram the controller with your modifications. We also do custom tuning if you are local to us in Southern California, or we are at your The Complete MEFI ECM Solution - Tuning, Data Logging, Diagnostics for MEFI1, MEFI2, MEFI3, MEFI4, 4A, 4B Our Marine EFI (MEFI) Scan & Tune TM system allows you to download the internal MEFI programming to your PC or laptop with our MEFIburnTM program, change the operating parameters of the controller, and then reprogram the controller with your modifications. ASM offers calibration of the ECU to correct overly rich running condition on MEFI 3 ECU's and toggle on these features, and provide the O2 sensor upgrade. How do you tune the MEFI 3? First is to find a guy who has the software to do it OR purchase MEFI Burn and do it yourself. Jun 15, 2021 · It was time for a change. We also have calibrations for LS1, LS2, LS7, as well as supercharged LS engines. We also do cust Aug 21, 2024 · It can do everything MEFI does and more! Inherits all the great things about speeduino; including low cost hardware, excellent tuning software (Tuner Studio) and a large user community. The Complete MEFI ECM Solution - Tuning, Data Logging, Diagnostics for MEFI1, MEFI2, MEFI3, MEFI4, 4A, 4B Our Marine EFI (MEFI) Scan & Tune TM system allows you to download the internal MEFI programming to your PC or laptop with our MEFIburnTM program, change the operating parameters of the controller, and then reprogram the controller with your modifications. The later MEFI4 open/closed loop wiring harness addresses this issue to a certain existent The Complete MEFI ECM Solution - Tuning, Data Logging, Diagnostics for MEFI1, MEFI2, MEFI3, MEFI4, 4A, 4B Our Marine EFI (MEFI) Scan & Tune TM system allows you to download the internal MEFI programming to your PC or laptop with our MEFIburnTM program, change the operating parameters of the controller, and then reprogram the controller with your modifications. Has anyone used MEFI Burn to tune their MEFI 1 ECM, and if so, what was the best methodology or procedures for working through the tuning process? Mar 11, 2013 · Do It Yourself, Boating on a Budget - Self tune mefi burn, am I crazy? - After talking with few well known guys about selling me a proven flash for my upgraded 575scis I was told by all 3 of them to install 02 bungs and get AFR readings AFTER the burn and send back for adjustments, mainly because of my cam choice. Mefi pro tuning software for mefi electronic control modules, polaris slingshot and mefi 5 ecm`s. Fuel Injection The injectors are usually fitted into the inlet manifold and inject pressurized fuel into the air stream entering the combustion chamber. The table below shows an extensive list. This is a full live tuning program that lets you adjust almost every parameter in the computer. There are very few tables you actually need to play with. The following manual has been prepared for effective diagnosis of the Marine Electronic Fuel Injection (MEFI) system. Any tuning options? Possibly swap out the lock pcm for a open painless one? How is the programming accomplished? OBD port? Jul 14, 2018 · MEFI Burn will let you alter anything you need to on a MEFI 1. The Complete MEFI ECM Solution - Tuning, Data Logging, Diagnostics for MEFI1, MEFI2, MEFI3, MEFI4, 4A, 4B Our Marine EFI (MEFI) Scan & Tune TM system allows you to download the internal MEFI programming to your PC or laptop with our MEFIburnTM program, change the operating parameters of the controller, and then reprogram the controller with We have developed MEFI 1, MEFI 2, MEFI 3, and MEFI 4 definition files that allow you to take full advantage of the features that Scanner Pro has to offer. Nov 10, 2006 · It's definitely MEFI as they don't have a transmission to deal with. I need an ADX file to scan a mefi 3 controller part #16237009, as i only have the XDF file used for the tunerpro. The GM part numbers and MEFI ECM's are listed here: GM Part No. The ECM connectors are labelled J1 and J2, as shown in this diagram (click to expand). MEFI 1,2 and 3 are the tough ones to replace. Jun 9, 2013 · Re: MEFI 1 thru 5 Scan Tools TunerPro and TunerPro RT - Professional Automobile Tuning Software You still need the cable but TunerPro should work. MEFI Type 16159919 MEFI-1 16189069 MEFI-1 Mar 10, 2020 · description BOOSTPOWER OFFERS MEFI4 REPLACEMENT ECM’S TO REPLACE YOUR EXISTING MEFI FAMILY ECM AND UPGRADE TO THE MAX! BOOSTPOWER OFFERS TUNING SERVICES IN HOUSE AND MOBILE TO ASSIST IN GETTING YOUR EXISTING OR NEW CUSTOM SUPERCHARGED OR NON-SUPERCHARGED ENGINE DIALED IN. and 5:00 P. Mefi pro allows you to download the internal programming to your PC or laptop, change and save it. Extensive tuning parameters (hundreds of them) are made available to the user for modification. I definitely want plug and play. MEFI Scan & Tune MEFI Scan 1-4 MEFI 5 Tune MEFI 5/6 Scan 555 Scan Slingshot Scan Slingshot Tune Marine ECMs Merc 555 ECMs ECM Repair Ramjet Tuning Custom MEFI Tuning Vehicle Connectors J1939 Solutions Injec Timer Extender Cables Adapters Custom Cables Shipping Info Diagnostic Software Instruction Sheets How To Use Video ELM327 Data Sheet If you have modified your MEFI equipped Ramjet engine or are using a Ramjet intake and MEFI ECM system on a custom built motor, you could benefit greatly from a custom tune for your engine. It also allows you to view all of Ramjet Tuning We have the capability to change the calibration and tune of your Ramjet 350 or Ramjet 502 MEFI ECM. Download and Burn A critical step in the tuning process is the ability to upload and download programs between your MEFI controller and your PC or laptop. Our new software, the MEFI5burn TM program, in additon to thescan Ramjet Tuning We have the capability to change the calibration and tune of your Ramjet 350 or Ramjet 502 MEFI ECM. delphi injector referenceMany of you have been looking for injector reference material to determine injector size, capacity rating, impedance, and the ability to cross numbers. BOOSTPOWER ALSO OFFERS KITS WITH WIRE HARNESS AND SENSORS FOR RETROFIT. The correct way to tune your Ramjet is to purchase our MEFIburn package and custom tune your engine in your car, collecting real data and tuning with a wide band O2 sensor to get your air/fuel ratios The Complete MEFI ECM Solution - Tuning, Data Logging, Diagnostics for MEFI1, MEFI2, MEFI3, MEFI4, 4A, 4B Our Marine EFI (MEFI) Scan & Tune TM system allows you to download the internal MEFI programming to your PC or laptop with our MEFIburnTM program, change the operating parameters of the controller, and then reprogram the controller with your modifications. 0. The current programs are real fat on fuel. They are also the PCM that Painless Wiring is using for their standalone system. Is it possible to tune it? We are currently working on adding MEFI6 tuning capability to our MEFI5 Scan and Tune system. We don't only focus on Wide-Open-Throttle performance, we also focus on all aspects of vehicle operation aimed at making your total driving experience more rewarding. GMPP dropped the MEFI 3 controller, and now all new Ram Jet engines come with a MEFI 4. It has the ability to do real-time monitoring of all engine controller parameters as well as the ability to change a large set of the most common tuning parameters (fuel map, spark map, rev Mefi pro tuning software for mefi electronic control modules, polaris slingshot and mefi 5 ecm`s. After all, a properly tuned engine is a clean running engine! While MEFIpro Software For information regarding MEFIpro Scan, MEFIpro Edit or MEFIpro for the Slingshot software please contact Chris Bland. Choose the correct version above for your version of the MEFI controller: MEFI Scan 1 for MEFI 1 Controllers MEFI Scan 2 for MEFI 2 Controllers MEFI Scan 3 for MEFI 3 Controllers MEFI Scan 4 for MEFI 4, 4a, and 4b Controllers Click for ScannerPro screenshots and detailed program info. Our new software, the MEFI5burnTM program, in additon to thescan We are dedicated to tuning your vehicle's engine computer to attain maximum performance and the best drivability possible while keeping the powertrain reliable. The vast majority of the other options you don't need to touch when tuning. Dec 6, 2011 · Do It Yourself, Boating on a Budget - InGenius Marine Software - I am getting ready to go do some dyno tuning on my 540 that i built last summer. So were wondering what others have done in this situation or do you just have to suck it up and pay the money? Comparing MEFI Standard & Professional MEFI Scan & Tune TM comes in two editions: Standard Edition and Professional Edition. It also allows you to view all of The MEFI Scan & Tune TM Professional version offers a complete solution for the shop doing complex tunes of MEFI controllers. The Standard Edition is appropriate for the typical boat/off-road enthusiast. The unit is a true open-loop system. EXAMPLE OF ECM FAILURE – MEFI 3 Here is an example of wave foam testing by us on a MEFI 3 ECM to show that we will work on a variety of different ECM units, including Mercury MerCruiser and Volvo Penta. Aug 2, 2008 · General Q & A - mefi tuning question for experts - I was out this morning doing some fine tuning on my boat with my new mefiburn software and I am starting to get a basic understanding of how it works. Just like your Jun 9, 2011 · General Q & A - MEFI 1 Tuning - Does anyone know if the Merc MEFI 1 controller is password protected? I've heard conflicting information regarding this. After all, a properly tuned engine is a clean running engine! While MEFI Scan & Tune MEFI Scan 1-4 MEFI 5 Tune MEFI 5/6 Scan 555 Scan Slingshot Scan Slingshot Tune Marine ECMs Merc 555 ECMs ECM Repair Ramjet Tuning Custom MEFI Tuning Vehicle Connectors J1939 Solutions Injec Timer Extender Cables Adapters Custom Cables Shipping Info Diagnostic Software Instruction Sheets How To Use Video ELM327 Data Sheet Aug 29, 2023 · General Boating Discussion - Re-Programming MEFI 3 - Hey guys im new here and never really used a forum before but bob at mefi burn hasnt been much help. I will say that Ken of MEFI Burn was helpful in explaining his product. There are 4 versions of MEFI Scan available. However I believe the 502 MAG MPI was also offered in Gen V the only difference being roller rockers? So I guess my real question can I get the same tune as the Gen Vi to work on the MEFI1 ECM or will a Gen V 502 remap on the MEFI 1 ECM work for the Gen vi motor. M. This is necessary and will eliminate off idle stumbles and flat spots The MEFI Scan & Tune TM Professional version offers a complete solution for the shop doing complex tunes of MEFI controllers. . It also allows you to view all of Jul 1, 2011 · GM Performance Parts addressed these issues around 2004. the outfit that bought it custom tunes them for whatever and resold it for $3500. All of the parameters that the user is likely to need are available for tuning (fuel maps, spark maps, rev limit, etc). The older MEFI 3 Ramjet's used an open loop speed density calibration that had no feedback from an O2 sensor. ) I will compare and review the following vendors here: 1) Rinda DIACOM Marine - this can only scan the MEFI Aug 27, 2024 · i sold a MEFI 4 controller on e-bay, got $1000,00 for it. Since Delphi MEFI 1,2,3 ECU’s are longer in production we developed conversions for the MEFI 4B in order to upgrade the older MEFI Marine systems. Call or email us with your specifics and we will give you an accurate quote. It also allows you to view all of MEFI Burn MEFIburn TM allows you to move your tuning definitions between the MEFI controller and your PC or Laptop computer. 3″ Pro Dash (PN 553-111) and 7″ Race Dash (PN 553-106) features full gauge layout customization, and nearly limitless tuning options. It is a MEFI 3 system off of a 2000 454mag. Engines are not my strength, and EFI is not something I have ANY experience with. The Holley HP ECU has modern features that include self-learning capabilities for the fuel table. Jul 17, 2008 · The MEFI 2 does not have a lot of parameters to start off with, so MEFI 2 is the same in both packages. These engines ran very rich, fuel fouling spark plugs and as a result poor fuel economy. Suggestions? 12. The differentiation comes in with the MEFI 3 and above, where there are many more parameters. The following table will help you determine which MEFI controller you have. Oct 4, 2020 · Anybody have a trouble- shoot chart / diagram for a mefi 3 system ? Specifically the IAC circuit ? EFI Tuning EFI Tuning EFI Tuning Tuning of MEFI 1/2/3/4A/4B, Haltec, Holley and EFI Technolgies products. We also do custom tuning if you are local to us in Southern California, or we are at your The problem your facing with the mefi programming is no one including mefi burn has ever figured out the unlock codes for the factory 5. The stock MEFI 3 Ram Jet calibrations from the factory were quite conservative and tend to run with very rich air/fuel ratios. Jul 25, 2018 · They also said its a MEFI 3 which is discontinued and therefore a new computer cost $3200 (CAD) thats a real kick in the pants. Nov 2, 2019 · General Boating Discussion - MEFI 3 tuning in SoCal - I’m in the process of changing my drive from a Volvo DPX to a bravo XR with some top end upgrades. Here I have provided the Delphi numbers most likely to be used in MerCruiser marine engines. Arizona Speed & Marine has developed an adaptor wiring harness that connects to your existing Marine engine wiring harness to replace your outdated or damaged MEFI 3 ECU with a programmable Holley ECU. Mercury Marine ECU Repair, Mercury Outboard ECU Repair, Mercruiser ECU Repair, PCM, ECM, ECU MEFI 1 2 3 4 Volvo Penta Simon Performance Technology We can custom tune your MEFI controller. MEFI 5 Scan & TuneTM supports the following controllers: MEFI Type Supported MEFI 1 - MEFI 4B NO MEFI 5 YES We are currently working on adding MEFI6 tuning capability to our MEFI5 Scan and Tune system. We are currently working on adding MEFI6 tuning capability to our MEFI5 Scan and Tune system. MEFI 4, 5, and 6 available for order and programming. I’m located in Illinois about an hour south of Chicago with an 2001 Donzi ZXO with twin 350 mag mpi’s. Anything else I am missing? Mar 2, 2023 · General Boating Discussion - Re-Programming MEFI 3 - Looking for someone to re-program my ECM. Mar 3, 2020 · The next question is the Gen V has a MEFI 1 ECM but the engine is a Gen vi which I believe came with the MEFI 3 ECM. Another potential candidate could be GM’s RamJet crate engines that for years have been commanded by a rudimentary, non-feedback Mercury Marine MEFI 3 and later MEFI 4 ECU. if this field fix is pretty much stupid proof and robust it will go over well. This is not optimal for power or gas mileage. We are dedicated to tuning your vehicle's engine computer to attain maximum performance and the best drivability possible while keeping the powertrain reliable. We also do custom tuning if you are local to us in Southern California, or we are at your Ramjet Tuning We have the capability to change the calibration and tune of your Ramjet 350 or Ramjet 502 MEFI ECM. The MEFI-4 ECM also "learns" as it is driven, fine-tuning its calibration / outputs in response to atmospheric conditions, engine condition, and driving style. Aug 12, 2007 · Differences between ECU Tuning Tool Vendors: (This section will be a work in progress as I investigate the differences between what Tuning Tool vendors will offer. There are 2 main functions in the program, Uploading (sending a tune from the PC to the MEFI controller) and Downloading (retrieving a tune from your MEFI controller to your PC). I run a MEFI 3 in my 93 shamrock. This engine runs off an open loop system and is known to run rich. It also allows you to view all of Mefi pro tuning software for mefi electronic control modules, polaris slingshot and mefi 5 ecm`s. It also allows you to view all of We specialize in MEFI Tuning Performance Boats based on the popular MEFI1, MEFI2, MEFI3, MEFI4, MEFI4A, and MEFI4b (Marine Electronic Fuel Injection) ECU platforms used widely by MerCruiser and other Manufactures. CST Monday through Saturday Ramjet Tuning We have the capability to change the calibration and tune of your Ramjet 350 or Ramjet 502 MEFI ECM. Have you modified your stock Mercury MEFI Engine with a high performance exhaust, bigger cam or have you had it supercharged? MEFITUNING offers performance calibrations for your MEFI 1, MEFI 2, MEFI 3, MEFI 4, and MEFI 4b Electronic Control Unit (ECU) supporting the modifications you have made on line or in person. Data Logger –Analyze and export your data with sophisticated, but user friendly tools – Internal logger has 4 GB of memory Apr 9, 2013 · Maybe the MEFI 4 is sufficiently better than the 3, so that the prior complaints have been addressed. 1. The Ram Jet 350 and 502 engines used either a MEFI 3 controller for the older Ram Jet 350's and 502's or a MEFI 4A controller for the newer Ramjet 350's and 502's. It also allows you to view all of MEFI Scan & Tune MEFI Scan 1-4 MEFI 5 Tune MEFI 5/6 Scan 555 Scan Slingshot Scan Slingshot Tune Marine ECMs Merc 555 ECMs ECM Repair Ramjet Tuning Custom MEFI Tuning Vehicle Connectors J1939 Solutions Injec Timer Extender Cables Adapters Custom Cables Shipping Info Diagnostic Software Instruction Sheets How To Use Video ELM327 Data Sheet The Complete MEFI ECM Solution - Tuning, Data Logging, Diagnostics for MEFI1, MEFI2, MEFI3, MEFI4, 4A, 4B Our Marine EFI (MEFI) Scan & Tune TM system allows you to download the internal MEFI programming to your PC or laptop with our MEFIburnTM program, change the operating parameters of the controller, and then reprogram the controller with your modifications. Jul 21, 2007 · I have a 1996+ GM Vortec Marine engine in my 2001 Mastercraft X-Star. We have developed MEFI 1, MEFI 2, MEFI 3, and MEFI 4 definition files that allow you to take full advantage of the features that Scanner Pro has to offer. Jan 31, 2015 · Re: MEFI 3 Datastream Definition by cbernhardt » Tue Feb 17, 2015 3:02 pm Captain Brian wrote: Guys, I am looking to read the engine parameters such as RPM, Coolant, and Fuel flow from my MEFI 3 engine controller, does anyone have the datastream definition files for it? The older MEFI 3 Ramjet's used an open loop speed density calibration that had no feedback from an O2 sensor. Comparing MEFI Standard & Professional MEFI Scan & Tune TM comes in two editions: Standard Edition and Professional Edition. Install a wideband for AFR readings. 7 ecm so any tuning done would be starting over from scratch. It allows all factory function to work as they should (like traction control). hcdir8d zio y1fe k2woz wbao nwa 17q htjo com 4tt