Hi,agree with the previous comments.
I have the 7.4 x 27 pro as well and it is my go to board on choppy day's.It is a great all rounder and pretty stable.
Good rocker,fast and turns really well.More a power turning board in my view than one that is super loose and slides.
It is going to be a big jump down for you and might be worth considering stepping down in size via something like the Starboard 7.4 x 28.5 airborne or a minnon / slate type board.....just a thought.
More power to you for pushing and challenging yourself. I've just done that with the 7.2 x 25 JP and it is a love hate relationship I have with it,but no pain no gain and on a clean wave it is another ball game.Smaller /narrower boards really open up SUP surfing,which is what the 7.4 with do for you.Good luck