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Old 08-21-2013, 10:22 PM   #1
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Default ECU for ITB, MS3x vs AEM

I know.

Is there any effective reason to go with one or the other on an ITB setup?

I'm going to stick with MAP, not alpha-n.
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Old 08-22-2013, 04:25 AM   #2
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MAP with ITBs? This seems like a non-educated decision. Have you ever tuned ITBs on just MAP?
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Old 08-22-2013, 05:22 AM   #3
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Non educated indeed. The research I did came to that MAP would work with a large vacuum box.

Also, I should have been more specific. I meant that I wanted to stay away from pure alpha-n. I'm not informed on what ecu has the best itb mode, I know Ms3 has one.
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Old 08-22-2013, 07:48 AM   #4
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Both the MS2 and the MS3 have hybrid ITB modes.
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Old 08-22-2013, 04:44 PM   #5
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Right, I understand that. I'm just asking if there's a specific ecu that would be preferable. I'm not sure if all ITB modes are equal.
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Old 08-22-2013, 04:47 PM   #6
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You talking about the ems4 or the aem v1/v2?
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Old 08-22-2013, 04:52 PM   #7
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Worry more about the way to tune the different mixed/hybrid modes than the theory behind them.
Just making pure Alpha-N stable is a lot more cumbersome than simple MAP on a plenum.

A tuning mode than can tune the mixed mode at once would make it more noob friendly (no idea if it would be possible even in theory).
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Old 08-22-2013, 07:44 PM   #8
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18psi: Not sure, those were simply the two most commonly supported ECUs I could find, and being able to look up Miata related info means a lot. I'm somewhat used to using an MS1, so I was planning to go MS3x, but made this thread to verify it.
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Old 08-22-2013, 09:33 PM   #9
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Have you considered Electromotive? I have a basic Ignition from them, and plan to step up to a unit that has more sophisticated ignition control, and the ability to control ITBs when I am ready to make the leap. I have been very happy with the basic unit. It would probably not be your best choice if you have already done ignition enhancements.
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Old 08-22-2013, 10:30 PM   #10
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To be honest, I hadn't. I didn't even know they had something that wasn't twenty years old. Follows with my wanting to stick with what's popular here for ecu options when I'm learning.
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Old 08-23-2013, 01:06 AM   #11
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TPS tune mode.. i know adaptronic has it.

Map without a plenum wont do **** so unless you're planing on bridging some 1" hose between the IRTBs it wont work.
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Old 08-23-2013, 01:39 AM   #12
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i run an ems 4 on itbs as far as the tune goes it works fine on tps mode. having a large vacuum accumulator would work but would also narrow the tuning window. in effect it would have less resolution on the map sensor signal. i did this and had little fluctuation from the map. i have tuned on the ms3 as well on a freinds corolla and was more impressed with their hybrid map it ran nice and had all the benifits of both tuning methods.
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Old 08-23-2013, 09:59 AM   #13
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Quote:
Originally Posted by triple88a View Post
TPS tune mode.. i know adaptronic has it.

Map without a plenum wont do **** so unless you're planing on bridging some 1" hose between the IRTBs it wont work.
cause i've heard nothing but good things about the adaptronic...
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Old 08-23-2013, 10:41 AM   #14
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the early units were a pain in the vagina.

I hear the new 1280 or whatever its called are pretty legit, but then they're like 1200 or something. I'm cool
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Old 08-23-2013, 03:36 PM   #15
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Quote:
Originally Posted by Braineack View Post
cause i've heard nothing but good things about the adaptronic...
Its a good ecu... once you tune it right. Once i figured out the crap travis fucked up when he tuned my car i fixed it and now my car runs beautifully. No pain in the vagina as Vlad says.
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Old 08-23-2013, 03:57 PM   #16
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Well, it sounds like MS3's hybrid mode is pretty killer then. Thanks for the replies, everyone. Now I just need to get an MS3x built by someone.
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