{"id":59671,"date":"2021-01-12T11:06:02","date_gmt":"2021-01-12T11:06:02","guid":{"rendered":"https:\/\/www.secret-classics.com\/?p=59671"},"modified":"2021-01-19T07:38:00","modified_gmt":"2021-01-19T07:38:00","slug":"ferrari-308-gtb-vetroresina","status":"publish","type":"post","link":"https:\/\/www.secret-classics.com\/en\/ferrari-308-gtb-vetroresina\/","title":{"rendered":"Ferrari 308 GTB Vetroresina"},"content":{"rendered":"\n

When Ferrari presented the 308 GTB in 1975, it was the brand’s first production model with a plastic body. While it is now commonplace to use carbon fiber, back then it was still glass-fiber-reinforced plastic. In Italian, this material is called ‘Vetroresina’, which led to the nickname of this sports car. The 308 GTB indirectly replaced the Dino 246 as the entry-level model. Ferrari wanted to retain the mid-engine principle adopted from motorsport, but increased the number of cylinders by two to eight. The 308 GT4, which was initially sold as a Dino, had a similar layout, but with two additional seats in the rear. In addition, its bodywork came from Bertone, while the 308 GTB was designed by Pininfarina.<\/p>\n\n\n\n

Scaglietti built the GRP bodywork<\/h3>\n\n\n\n

There are various theories as to why the factory’s own coachbuilder Scaglietti switched from steel or aluminium to GRP for the 308 GTB. It is likely that Ferrari saw the success of other sports car builders with this material and wanted to share in it. Chevrolet started building the Corvette from fibreglass in the 1950s, and other manufacturers followed. Initially, the advantages and disadvantages of GRP still had to be explored. By the time Ferrari joined the club in 1975, the material had already established itself, and its main benefit was weight saving. However, Scaglietti soon reported to Ferrari that production times were significantly higher than for classic metal bodies.<\/p>\n\n\n

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