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Differences between Optimax 135 2004 Optimax saltwater and 150 2000 optimax

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Ole Andre

New member
Hello guys! Little curious, what is the difference between the Optimax systems. What years uses the same “version”?
Is the mechanical engine parts the same for a 2000 150 vs 135 2004? Guess the saltwater edition have some protections against corrosion etc, is there any major difference between this and a regular Optimax?

I guess that 135/150/175 used the same platform, since displacement is the same. Is the only the software who limit the power output?
Will it be enough to replace the process unit on a 135HP to get same performance as a 175HP?

Lost of questions.. Is there any good source who explains details between Optimax system anywhere? Tried to Google around, but difficult to find good information about this subject.
 
Ole Andre said:
Hello guys! Little curious, what is the difference between the Optimax systems. What years uses the same “version”?
Is the mechanical engine parts the same for a 2000 150 vs 135 2004? Guess the saltwater edition have some protections against corrosion etc, is there any major difference between this and a regular Optimax?

I guess that 135/150/175 used the same platform, since displacement is the same. Is the only the software who limit the power output?
Will it be enough to replace the process unit on a 135HP to get same performance as a 175HP?

Lost of questions.. Is there any good source who explains details between Optimax system anywhere? Tried to Google around, but difficult to find good information about this subject.
Click to expand...
I have the same question. I want to get more HP out of my 135 if it is the same block as the 175 Opti. I have done some searching and I can't find much info on the subject. I was wondering if I swap the ECU and the restrictor plate on the air intake do I need to do anything with my injectors? 135 2004 Optimax saltwater
 
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