Quote Originally Posted by john View Post
In these days of laser cutting it surely makes it easier to produce a set of components to assemble one from.
Or buy a 'GTO tech' tub?

I know one man who built the Gartrac tubs. Originally from Wales, he also worked as a fabricator for Reynard and then Prodrive.
He explained to me how the steel roofs had to made in more than one piece. They had an original tub sat outside the workshop for reference.