Sixshooter's Brain-built MS1 Needs to Control WI - Miata Turbo Forum - Boost cars, acquire cats.

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Old 11-25-2015, 05:06 PM   #1
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Default Sixshooter's Brain-built MS1 Needs to Control WI

Will my Brain-built MS1 control water/meth injection as built or should I rely on some other method of control? I know there are settings for it but I don't know if the unit is built for it.
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Old 11-25-2015, 05:25 PM   #2
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Very unlikely.

Even if it is built, the MS1 WI was designed around controlling an aquamist fast acting valve, which is now discontinued.

If you just want it on/off and not progressive your MS1 could likely facilitate this.
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Old 11-26-2015, 09:08 AM   #3
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I would just like it to come on at 10-12psi. I know how to do that with a pressure switch but was hoping the MS would be able to handle it, since I see the feature listed in the Tunerstudio drop down menu.
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Old 11-26-2015, 10:21 AM   #4
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you mean you finally need ms3?
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Old 11-26-2015, 10:34 AM   #5
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Six, I used to run WI on the Silver car with a first generation MSPNP. All I was doing was simple ON-OFF using the MS software. Schematics I used are here: https://www.miataturbo.net/build-thr...e2/#post704609. I basically bread-boarded the add-on circuit and mounted it inside the MSPNP case and brought it out on spare pins.

The problem I ran into was flyback voltage from the relays would sometimes cause MS resets -- even with added flyback diodes. I eventually went to electronic relays ($). Recently, I yanked all my WI stuff when I added an intercooler. If I were to add the WI back, I'd just KISS and use a separate pressure switch I think.
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Old 11-26-2015, 10:59 AM   #6
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Quote:
Originally Posted by Braineack View Post
you mean you finally need ms3?
That pretty much answers the "will it do it" question.
Quote:
Originally Posted by hornetball View Post
Six, I used to run WI on the Silver car with a first generation MSPNP.

If I were to add the WI back, I'd just KISS and use a separate pressure switch I think.
Also what I needed to know. Thanks guys.
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