I am going to be using a 1600ax twin screw for some very specific reasons. Actually you hit the nose on the head when it comes to making power on a large engine by using turbos...there is a reason I did not go the turbo route and the reason why I went with a positive displacement supercharger as uposed to its brother. I may have to change to a larger model depending on how the next few years goes, but I may NOT have to. I have been talking with lysholm over in Sweden as far as how exactly this model works, what it is capable of and if there would ever be a need to use a larger model. They told me they garuantee I could make 500 easily without switching models...however they don't know past that although I won't bore you guys with specifics about the model...if you want to go look it up just google 1600ax whipple.
Oh, one more thing I totally forgot to add is that I will never have to have a stand alone EM system unless I want the ability to run more than one map. That is the ONLY thing I would gain though, the JECS ECU is capable of adjusting anything a stand alone can all be it not as easily done. Anything can be adjusted to any values you want it to be. Whether it be valve timing, AFR, whatever. So unless I get to the point where I am no longer streetable, or I need to run racing fuel to hit my goals, then I don't see me ever wanting an EM system.
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