Back in September we showed you glorious pictures from the glorious Rennsport Reunion.

It is, if you need reminding, a collection of the world’s loveliest Porsches at one of its wildest circuits, California’s Laguna Seca.

And now we’d stumbled across this similarly glorious videos, with on board footage that chops and changes between 20 different cars. As their age descends, steering wheels change size and even shape, dashboards increase in complexity and noises get louder and more sonorous.

Watch and enjoy above. And we’ll be very impressed if you can then scroll down the page and name each car…