It is a four-cylinder in-line engine with 4 valves per cylinder.
Those criticisms no longer apply, but they are different from normal in-line engines.
This company was the only supplier of inverted in-line engines in the early thirties.
The vehicle had a four-cylinder in-line engine with 4.7 litres of displacement.
The vehicle had a six-cylinder in-line engine with 4,655 cc of displacement.
Power for all Packards still came from their venerable in-line eight-cylinder engines.
The technology of these in-line engines is thoroughly up to date.
The in-line engines are also very smooth, especially at low engine speeds.
This allowed air conditioning to be used with the new 199 and 232 in-line six-cylinder engines.
Major Halford built two 6-cylinder in-line engines for the car.