I hear you @2fpower I am 6"2" as well. I think I moved the drivers seat back 4" just on the mounts. And the slides of the new seat went back even more. I do have a 10" stretch Aqualu tub. Which unbelievable how much difference that makes!! Keep up the good fight, she's looking good!
I would say yes to removing some of the hump if the engine is that far forward. But, part of that depends on what kind of heating/ac system you will be running.