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PWM fan control on Older MSLabs MS3Basic

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Old 05-02-2024, 06:34 PM
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Default PWM fan control on Older MSLabs MS3Basic

I have a 93 Miata with a 00 VVT engine swap that has an older style MSLabs MS3Basic just like the one pictured in this post.

https://www.miataturbo.net/megasquir...-pinout-95667/

I am trying to get PWM fan control working on Firmware 1.6.0. Before the fan was set to on/off using INJ G as the output. Can I still use INJ G as a PWM output or do I need to utilize a different output such as boost/nitrous 2?

If I do end up using Boost will running it at 250hz be an issue if my idle and VVT are being ran at 511?

Is Nitrous 2 a better option, nitrous 1 is currently running the CEL

I using a Gates FCM117K which I don't believe can utilize off/on which is why I am switching in the first place.

Thank you,

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Old 05-03-2024, 02:56 AM
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Run it on InjG as before. No need to use Boost.
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