2020 50c 60 Years of Supercars Holden HT Monaro GTS 350 PNCTeams moved quickly to put the sleek new 1968 Holden Monaro on the race track, and Melbourne racer Norm Beechey couldnt resist the homegrown two door coupe. The HT series Monaro GTS 350, with its 6. 0 litre Chevrolet V8 engine, was cheekily dubbed the Trans Aus Monaro, with reference to its Australian build compared to Moffats Trans Am Mustang. Built with covert assistance from the Holden factory, in 1970 it became the first Australian car to win the