Microsquirt conversion from MSII

Forum for discussing how to install MicroSquirt(TM), choose and troubleshoot sensors, wiring, and communications for MicroSquirt (TM) and MicroSquirt Module(TM).
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Blatzy
MegaSquirt Newbie
Posts: 11
Joined: Wed Jun 28, 2006 9:55 am

Microsquirt conversion from MSII

Post by Blatzy »

I am about to convert a car from MSII to microsquirt. Currently I am running MSII v3 with code 2.3 on GM 3.1 with GM HEI with low impedence throttlebody. I had the car running with a good tune(dynoed) but the owner just soaked the ECU and fryed it, since most of my installations are in offroad cars I thought microsquirt my be for me. What I would like to know Is will I be able to use the tables I currently have set up or do I start from the beginning. Also I know that I will loose the IAC what would be my other options.

Thanks
Blatzy
grippo
MegaSquirt Guru
Posts: 921
Joined: Mon Feb 16, 2004 6:55 pm

Post by grippo »

The code is identical, so all of your tuning will remain the same. The main things you will have to worry about are that you can't use low impedance injectors (at least not for 4 cyl and above) and the polarity of the tach input was changed. There are a few other wiring notes, so read the microsquirt section of the manual carefully. The other thing is if you are using MS2 extra code, I don't believe that is yet available for microsquirt.
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