Wingho Auto Classique, Inc. was a Montreal-based specialty coachbuilder known for producing one-off and extremely low-volume reinterpretations of Porsche platforms. Its best-known projects were the Porsche 928 Spyder and the W3 Triposto. The 928 Spyder was described as a single surviving prototype derived from a 1978 Porsche 928 that retained the 4.5-liter V8 and five-speed manual but replaced much of the factory body with a custom fiberglass…