sentences:  The FJ, of monocoque construction, broadly followed the silhouette of its predecessor, but featured a bolder horizontal styled front grille, along with comfort and decoration upgrades in a new sedan model named the 'Holden Special'.Originally specified as achieved at 3,800 rpm, the claimed maximum power output from the six-cylinder engine was increased to achieved at 4,000 rpm.The sedan, in Standard, Business and Special trim levels, and a coupe utility were announced in October 1953 and were followed by a Panel van derivative in December of that year.