Wish there was a way to delet post...
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Put a +1 on your geekness atribute
F4F/FM2
You have to pick one or the other. You can stick with this answer but you will either be overall "wrong/wrong" or "right/wrong", so you'll be wrong either way.
Oh fine poopyhead...they're literally the same thing...FM2...
the fm2 is a lightened f4 but with a little more horsepower but not much