https://www.youtube.com/embed/6CB3oi9VhU4
On a recent episode of Grassroots Motorsports Live, we took a rare tour of the fabled basement that lies beneath Mazda’s R&D building in Irvine, California. There we explored a treasure trove of Mazda history: prototypes, legendary race cars and show specials. And yes, there were lots of cool M…
