Can someone give me a brief description about this ecu system? Is this another option in lieu of fast or holley? I was going with the fast xfi and am wondering if this is something new and better that I may want to wait and consider.
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First off I'm not an expert & my MS system isn't running yet. When I was looking at ECUs 5 years ago, I was only looking at the XFI & MS3. I had FAST classic in my car previously.
1 thing I didn't like about the classic, was you couldn't directly log what the AE was doing, so I never got tip in tuned out correctly, but again I'm a noob. I don't know if XFI has fixed this problem.
When I started looking into the ECUs I noticed the manual for MS for tuning looked awesome, but one thing I noticed now on installation side of things, the install documentation sucks. Yes the wires are labeled for their intended purpose, but no where in the documentation do they say what each of the input can handle on volts or speed limitations of the inputs, in case you want to use spare inputs for VSS or traction control sensors. You might have to build circuits for certain types of inputs. Also, do any of the output supply 12v when turned on or are they just a grounded output? As you can tell by my signature, I made up my own manual, because FAST had an awful manual at the time. Mine is not much better, since I can't talk from experience. I traveled to Michigan to meet with lance ward, he is the one that gave me the definitions to write down in my manual.
The MS has Bluetooth & USB connection, XFI didn't at the time, I don't know if they do now. I plan to hook up an android tablet to display logs or gauges from the center console. GPS data can be added to the log when using androids GPS, If you desire 1/4 mile times or HP rating added to ur log. As far as I can tell you can't tune from the tablet, so laptop is still needed. Blue tooth logging is limited on logging speed ~20 reads per second, but I assume the ECU with on board memory can record logs at a much higher speed.
Rumor I had heard, the XFI has very limited memory for logging. I thought someone told me they didn't get a data log of a run, because the log started early & didn't capture any of his run. I tried researching this at the time, but could not find anything about the size of the onboard memory of the XFI. MS takes micro SD, so unlimited logging.
MS is very flexible & can add almost unlimited IO, but flexibility means it can be more complicated to setup. Currently MS is more for the electronic geeks, but if the PNP comes out this summer that could make it easier. FAST has been PNP for a while now. I don't know what the MS PNP is going to be, I know a person on these forums was working on a PNP that would fit in the OEM GN ECU box, but I don't know if diyautotune is using this project or not, when they come out with their PNP.
MS only handles high impedance injectors directly, so extra hardware is required to do low impedance. Luckily high impedance injectors are becoming more common, I'm using 160lb high Impedance Bosch injectors, but I don't know if there is any cons to using high impedance.
If you want Cal to tune your car he won't touch MS, according to a conversation I had with his wife 2yrs ago. Cruz is a dealer for MS. Sorry I don't know where other vendors stand on the various ECUs.
I hope someone can fix my errors above if things have changed over the years or I don't know what I'm talking about. As always do your own research to make sure your getting what you want.
