Ficht Question

[Story]

What is the difference between a 200, 225 and 250 3L. EFI Evenrude Ficht. I'm getting what I believe is a 2000, 200hp 3L that the cover says 200 but not sure. Haven't hooked up the computer yet. In other words, If I were to have a 200 could I make it say a 250 fairly easily. Is it just the computer? What are some of the most common mods or do most most people just leave them alone. I think it has 6500 rpm limits in it. Any suggestions or thoughts?

[BenKeith]

With the FICHT, what you've got is all you get. You might be able to make a ECM and injector swap from a 225 and make it a 225. My understanding is the computer and injectors have to be matched because the computer has to know exactly how much each injector will flow and that's programmed in.
I haven't heard of anyone with an ECU you can reprogram for them, but if there is one, I sure would like to know.

[Story]

Thanks. I didn't think there was much that could be done. I will look into a 225 computer and injector swap. Maybe I will shave the heads some. Anyone know how much could be shaved off?

[t2stroke]

The difference is the MAP in the EMM. If you do a comparison of parts in the parts book you will see that the powerhead parts are the same. The injectors are the same.

Later Fichts had compensated injectors. Without getting too detailed, each injector is tuned for that cylinders output. Each injector has a serial number and compensation value. This is stored in the computer and tells the injector how, when, & length of time it stays on. Sounds complex, but it it really is not. Most of the problems experienced with Fichts, Optimaxs And HPDIs relate to not robust enough design to handle application differences.
That is a fancy way of saying the factories didn't take all the applications into consideration, before designing their systems. Remember, the auto companies have a great advantage in knowing the gear ratio, tire size, weight and basic driving situations their vehicles are going to be put in. On the other hand, marine applications vary widely. Enough on that for now.

Back to your question? I would not do anything to increase compression on DFI engines without a way to increase fuek delivery. This is exactly what the EPA is trying to control. I have removed glue lines and casting imperfections from the intake and block on several 3.0L & 3.3L Fichts. Another thing, the injector flow rates (OMCs) are the problem with more RPMs. They begin to play out at 6100 RPMs. After that you are wasting your time. You can make the engine flow better, but keep it loaded (prop) to keep RPMs at a livable level.

These comments are my opinion and pertain to OMC engines although any DFI is simular. FYI Dan

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[Story]

Thanks for your thoughts. I couldn't agree more about not increasing the compression. I was thinking that the only SMART thing to do if anything would be to reprogram the EMM to the 225 specs. Other than that, I would be shooting myself in the foot unless someone knows how to custom program the computer outside factory specs. Sometimes things are better off left alone!
This is going on a 21' Rally Sport ( Superboat, Shadow) with a 4-6 inch pad bottom. Hull weight is clamed to be 1400 but I think it is closer to 1500-1600 pounds minus motor. It is my hope to be able to spin a 26-27 prop close to the limiter. I was getting 68mph out of my 25 Boger worked Trophy on my 2.5 fishin but it was not too happy trying to spin it. :eek: I hope moving to a 3L with the torque increase will get me out of the hole better and maybe get me in th 70's. Less fuel consumption would be a plus.

[Michael Martin]

Not much you can do besides swapping the electronics over. Cleaning up the internals will help a little but again only little gains.

The etec injectors are better as they can handle up to 12k rpm but using them would mean swapping heads & emm & a few sensors.

Mike

[Story]

Thanks for the info. I was talking to someone the other day and if I understand correctly, the Etech and the Fitch are basicly the same motor except for the injectors, the EMM, and some other electronics. I don't know what other electronics but it goes along with what you are saying if that is what you were implying when you said to swap injectors, EMM, heads and a few sensors from the Etech to the Fitch. I'm sure that would cost a fare amount for those parts. My plan is to leave the motor alone if it is a 225 but if it is a 200 like the cover says, I would be interested in reprograming the EMM if that in fact is all I have to do. Please correct me if I am wrong. Furthermore, If anyone knows who can do the programing please let me know. I think DFI Technologies may be the one to contact. Does it sound like I'm on the right track?

[littlewing776]

i work on them every day. what you get is what you get. hell 10 out of the 11 we have sold has blowen up. and there is know way you ficht will turn 6500 the emm want let it. if you want a hot rod get a mecr xs or and older efi. if you want to talk more about call my at home or at work 601 513 1896 or 662 327 2587 <------ shop # there is know one i know of how can reprogram emm the epa would have ther ass. if the found out about it you can send it off to dfi and the will fix it but the want change it from factory specks been there tryed that. the thing about etec and the ficht is they fixed most of the mess up with the ficht by calling it and etec. i would be happy to tell you all about it if you call me but, i am not going to type it man. hell i cant speel that good or type that good eather lol but if you call i would be glad to help you my name is tony. if you call thanks

[racer]

The e-tec has a lot more different than mentioned and is also a larger bore than your 3.0.

[littlewing776]

flying dan hit it right on the head.