First it is important to note that the Autoart 66596 version of the Chaparral is a 2B, as the 2A with a full set of vents in the front and in the rear plus the 3 front grid openings and the duct to cool the driver is identified as the 2B. The Autoart 66596 represents the Gr.: S+5.0 car #66, winner of the 1964 Nassau Speed Week with Roger Penske driving for team "Chaparral Cars Inc." and he did the 25laps in 1h 07m 25.12s
The above pictures depict the original Autoart 66596 to see how it looked like prior to be modified.
Chaparral 2B s/n003 was modified to include some of the technical innovations of the 2C. This car became the 2/2C and in the capable hands of Hap Sharp it won every single race it challenged. To note that this version 2/2C of the Chaparral 2 shares the front end with the 2B and the rear is inspired on the 2C, with the full width 'Flipper' wing commanded by the pilot.
Next, the modification affected the rear end of the model.
The above pictures depict the original Autoart 66596 to see how it looked like prior to be modified.
Chaparral 2B s/n003 was modified to include some of the technical innovations of the 2C. This car became the 2/2C and in the capable hands of Hap Sharp it won every single race it challenged. To note that this version 2/2C of the Chaparral 2 shares the front end with the 2B and the rear is inspired on the 2C, with the full width 'Flipper' wing commanded by the pilot.
Next, the modification affected the rear end of the model.
Next, the final result for the modified model. This modified Autoart 66596 now represents the s/n: 2A -003 that won the 1965 Nassau Trophy Race with #65 and Hap Sharp driving. The team was “Chaparral Cars Inc.” and he did the 250 miles at an average speed of 166 km/h.
The following two pictures depict the model actual movement of the 'Flipper' wing exactly as the real car.