i HAVE A SEA RAY 180 THAT I AM REDOING I HAVE REMOVED THe old back to back and put in two captain chairs that was the easy part the back of the boat had the engine cover and two seats to either side what i want to do is a sundeck and a bench seat I know I will be losing alot of floor room to under seat storage my question is what do you think the minimum for seat depth should be and the angle on the back of the seat what should that be. if you have tried this please give me some guidance and let me know if it was worth loseing the floor space?