550-0075 was completed in November 1955 and was exported to Guatemala arriving on 2nd February 1956. The spyder was silver with blue darts and a red interior. It was fitted with engine # P90081. Delivered to the local Porsche dealership, it was prepared for its first owner Hubert Wiesse who entered it on 10th May 1956 in the Guatemala-Barberena-Guatemala race finishing 1st in class. He raced the car throughout Mexico and El Salvador with wins in every race until December 1957. He then sold the spyder to Manfred Lippmann.