Well, take a look at my article about EJ207 here:
You will find in it that yes, we know they stopped calling them versions at V6, but we, the fans, have chosen to continue this versions talk and there are some conventions as far as what is considered which version.
So, as far as Subaru is concerned my engine is from a GDB RASC REV E. But that's just being technical, there is no fun in doing that..
I also use delta Dash for dyno.
Do you weigh the car with a full tank of gas and you in car? That's the best number to be entered for accuracy.
Which smoothing do you consider to be the most accurate?
I use the heavy setting.