"Because of a loophole in the emissions regulations the 1978 Dodge Lil' Red Express Truck's did not have catalytic converters, what the Lil' Red Express did have was a special High Performance 360 C.I. 4-barrel small block engine code (EH1) which was a modified version of the 360 police engine (E58) producing 225 net horsepower @ 3800 RPM. The package also included Hemi style mufflers with a crossover pipe breathing through 2 chrome stacks located behind the cab, a special 727 transmission and 3.55:1 rear gearing."