Not sure if I've got the wrong end of the discussion stick here, but I believe your body was originally adapted to fit a GT6 chassis. From memory of a conversation with Phil J about two years ago, I think the GT6 chassis was rotten beyond repair, but that
might just be its engine and gearbox in the background of this shot of Barry's cockpit -
Oh, and after a failed attempt with MGB seats which were just too big, I used Dax Cobra seat shells and had them upholstered by a local trimmer -
I'd given the trimmer this picture as a guide as to what I wanted, and I think they did a good job -