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PostPosted: Mon Nov 21, 2022 1:03 pm 
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Joined: Mon Oct 21, 2002 11:08 am
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Location: Blacksburg, VA
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Dear Slant 6 sages,

I am contemplating running Microsquirt on a new/upgraded EFI system on one of my cars. This little bugger appears to have about everything I would need for a "non-all-out" EFI system. I would be upgrading from 2003-vintage MS-I ECU and will run port EFI and likely coil pack (wasted spark) ignition. I have MS3X (more functionality) running on the Project V Valiant, but feel that the Microsquirt would likely do everything I want at a fraction of the price ($400 vs. $800-1600 for MS3 or MS Pro). It seems you also need an external MAP sensor for Microsquirt, which is about $100.

I am wondering if any of you are running Microsquirt. What are your experiences and/or how do you feel about it?

Anyone contemplating using Microsquirt and have thoughts?

Thanks!

Lou

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PostPosted: Mon Nov 21, 2022 5:17 pm 
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Joined: Wed Nov 06, 2002 1:57 pm
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Location: Everett, WA
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I have a Microsquirt, but I am not running it yet. Mine has the modification to run LS coils in wasted spark mode. I feel it needs a couple of extra outputs to control stuff. I am surprised that DiyAutoTune hasn't come out with an expansion box to connect to the CAN bus. (Matt, hint... hint... hint...)


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PostPosted: Tue Nov 22, 2022 6:44 am 
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Thanks, Kesteb. One of the extra outputs can be used to do 3 ign outputs for wasted spark. Seems sensible to me. Only thing you miss is sequential (separate inj outputs), but that does not seem like a big loss to me.

Lou

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PostPosted: Tue Nov 22, 2022 3:37 pm 
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It also won't run the IAC sensor for GM based throttle bodies. But there is a box that you can wire in to do so. Except you loose those extra outputs to run the LS coils.


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PostPosted: Wed Nov 23, 2022 6:46 am 
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I have never hooked up IAC on any of my stuff, so that would not be a big loss.

Lou

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