It has been done many times and you can read about it over on the msextra forum. I am planning an MS3 for my BMW S1000RR engine. The MS2 would not keep up with 14,200 RPM with the internal 60-2 crank wheel. I could put an external wheel on there and knock it down to 36-1 and go MS2, but the existing engine packaging is so nice I dont want to change it. Plus, I think I will go with the 3.57 board and MS3X expander so that I dont have to build it. I have done 2 MS2's with 3.0 board and I dont feel the need to build another one...pricey for MS, $659 at DIY, but worth the extra money as its going in a track car...extreme vibration. I cant quite justify the MS3 Pro to myself at $1050, but I wish I could. The much improved case, connector and power supply are almost worth it. Just so that you know, all MS wont fire the plugs if the voltage drops to around 10.5V. MS3 Pro is supposed to go down to 6V. I have learned that if the car does not fire immediately stop cranking and get the battery charger.
_________________ Parts left out cost nothing and cause no problems!!
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