Argh!!!!! Time to rant about stupid crap. This has nothing to do with you, I'm mad at advertising departments and the people who eat it up with a spoon.

"IGBT technology" means it has flashy high power transistors in it. IGBTs are a type of high power transistor (insulated gate bipolar...), there is nothing magical about that. They are used because they are cheaper and easier work with, and more forgiving in design than big MOSFETs for that type of application. They work really well for that type of stuff. They're kind of a cross between a BJT (bipolar junction..) and a FET. I hate when marketing departments put that kind of bullshit spin on something really simple like that. It's like advertising an electric kitchen stove as having "ceramic reactive burner technology". It sounds flashy, but it's bullshit!!!!

As a sidenote, if you can make a megaquirt system run an engine very well, just think about what a sophisticated ECU can do.. That's the fun of EFI, it's all about the hardware, the better it is, the more performance is possible depending on the sophistication of the system. That's why I think the "technology policing" argument in NASCAR is moot. You can't pull power out of your ass in an already optimized system on any given type of engine. Basically, if a megasquirt system gets almost optimal power under all conditions, throwing a Motec, Bosch, DTA, etc., engine computer at it isn't going to give anyone a big advantage. Limiting the sensor type and quantity is much more important than how much processing power the ECU has. You can't generate information you don't have. Obviously if you put (on every cylinder for example) a knock sensor, intake temp sensor, EGT sensor, O2 sensor, etc., you can do crazy amounts of optimization if you can process and utilize all that data. If you have about the level of sophistication of a OBB0 setup, you can't do that.