Johan,
here are a couple of pics of one of my clients...6'2" and 265lbs....and he has a prosthesis.....great guy....and room to spare with a roof and no dropped floor or Gurney bump
We already build Mk1, 2 and the elusive Mk4....so I think we have most guys covered in the GT40 world...if not we can build them a P4 or a T70 replica