In 1968, Mark Donohue and Roger Penske won a championship in the middle of the golden age of Trans-Am racing with a very special Chevrolet Camaro. That car was the "Lightweight" Z/28 — a car ...

What a loss to motorsports Mark Donohue’s death at age 38 was: He gave team owner Roger Penske his first Indianapolis 500 win, Penske’s first NASCAR win, and he drove for Penske in Formula 1.