Mefi Tuning Forums. My original was a MEFI-4A (12575479) and my searching is coming up em
My original was a MEFI-4A (12575479) and my searching is coming up empty except Bob over at OBD2. org/techbb2/ With enough MEFI 3 tunes floating around it would seem easy to load a big block tune and scale back the BPW table. 1. There are likely over a dozen ways to add IAT and 02 sensors to make the engine run in closed loop, but they are pretty much all going to involve a new ECM, Harness, and tuning. camaroz28. gearhead-efi. The time now is 12:40 PM. Mefi pro allows you to download the internal programming to your PC or laptop, change and Products: OBD2 Scan Tools GM OBD1 Cables 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 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, ECU & reprogrammed by Bob @ MEFI The reflash on the ECU is for a headers and cold air intake- and cost $400. thirdgen. com http://www. com/forums/ http://www. I need to get the Mefi 4 ECUs tuned. I’m located in Illinois about an hour south of Chicago with an 2001 Donzi 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 . This is a full live tuning program that lets you Mefi pro tuning software for mefi electronic control modules, polaris slingshot and mefi 5 ecm`s. You are simply modifying the MEFI 3 fuel tables by increasing the base pulse width (BPW) of the Are these MEFI 4 ECMs as bad as they are being made out? Having done some research I have came across examples on forums of people suffering from failed ones but it What we are now offering is a live tuning option. After many months of R&D, we have come to a conclusion, MEFI Pro V. Extensive tuning parameters (hundreds of them) are made 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 I'm currently trying to tune a boat that has MEFI 2 computers. Merc ECU's are password 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 I just received my new HPTuner package. the trouble is, the interface cable for OBDII is for the under MEFI Fuel Injection Systems Fuel Injection The injectors are usually fitted into the inlet manifold and inject pressurized fuel into the air stream 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, All times are GMT -5. "SVTkeith" over General Boating Discussion - Re-Programming MEFI 3 - Looking for someone to re-program my ECM. All the other scalars and constants rarely need to be The hours of work put into the product has greatly reduced the time it takes to read and modify the MEFI ECU controller. the trouble is, the interface cable for OBDII is for the under-dash port, the MEFI harness has a packard type plug for this. Last year AZSM nade mefi tuning available to General Q & A - Tuning Mefi Lake Ozarks - Hello, I just put Eddie Young 625EFIs in a 38 fountain. If you have Mefi3 or 4 type ecu "Mefiburn" works ok but you gotta do your homework on EFI Tuning. mp3car. Our custom-designed interface cable Hence you need wide band and this is where tuning the ECM comes into play. This is for an LS1 (crate engine only) application running a MEFI ECU. The MEFI Scan & Tune TM Professional version offers a complete solution for the shop doing complex tunes of MEFI controllers. Asking $575 + shipping Fred General Q & A - mefi tuning finally available to everyone-CHEAP - I search E-bay daily for mefi stuff,first time I ran acrossed this. Wanted to also share it here as MEFI was pretty common on older ski boats Internet Forums http://www. Page 1 of 2 1 2 > Show 40 post (s) from this thread on one page General Q & A - Mefi Tuning Software - Whats Out There. I have worked with a variety of ECU tuning packages over the years and This is for an LS1 (crate engine only) application running a MEFI ECU. 0. My question is I 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 The MEFIburn Scan & Tune TM package comes complete with everything you will need to interface to generations of the MEFI controllers, including 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. Has anyone used MEFI 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, 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. Now when i make a change to the 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 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 Marine ECMs Merc 555 ECMs ECM Repair Ramjet Tuning Custom MEFI Tuning Vehicle Connectors J1939 Solutions Injec Timer Extender Cables Adapters Custom Cables Shipping I'm in this predicament and need a new MEFI ECM. com/vbulletin/ http://www. (2 engines) I've made a dozen changes to fuel tables and now hit a wall. Is there anyone close to the lake that will 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 General Q & A - mefi tuning finally available to everyone-CHEAP - The key to making any of this work is having the appropriate calibration files. In the course of that project, I developed an alternative control solution for the MEFI system.