system proved to be troublesome and what few examples were built were recalled to be fitted with the normally aspirated dual four-barrel carburetor system. On passenger cars, the D-500 emblem was located on the driver side of the trunk.
The initial system encountered difficulties, leading to a recall of the limited number of vehicles built. These were then modified with the standard four-barrel carburetor setup. The D-500 emblem was positioned on the driver's side of the trunk in passenger cars.