Ferrari 275 GTS
|Class :||Sports car|
|Body versions :||Cabriolet|
|Engines:|| Gasoline engine : |
3.3 liters (191 kW)
|Wheelbase :||2400 mm|
|Empty weight :||1150 kg|
|Previous model||Ferrari 250 GT Spyder California|
|successor||Ferrari 330 GTS|
The Ferrari 275 GTS is an open road sports car from the Italian car manufacturer Ferrari , which was sold from 1964 to 1966. He is a member of the Ferrari 275 family, which also includes the Coupé 275 GTB , which was produced at the same time . At its time, the GTS was the only convertible in the Ferrari range.
From 1953, the Ferraris range of road sports cars consisted primarily of the widely ramified 250 model family , the members of which were powered by 3.0-liter twelve-cylinder engines. In 1963 Ferrari began to replace the 250 series with the 330 series , which had newly designed twelve-cylinder engines with a displacement of 4.0 liters. Gradually the models 330 America (1963), 330 GT 2 + 2 (1964) and 330 GTC appeared(1966), who addressed different customer groups. In 1964, Ferrari added the 275 series to these comparatively heavy cars, which were lighter and reached higher top speeds. It had a 3.3 liter twelve-cylinder engine. The displacement of a single cylinder was 275 cm³; the model name of the series was derived from this value.  The closed road version 275 GTB should fill the gap between the slower 330 models and the exclusive 500 Superfast , which was produced in very small numbers from 1964. At the same time, the 275 GTB was a reaction to the Lamborghini 350 GT presented a year earlier , which showed a similar performance. 
All of these were closed sports cars. Since Ferrari stopped producing the 250 GT Convertible and the 250 GT Spyder California at the end of 1962, there has been no convertible in the model range.  In order to close this gap, Ferrari presented in the autumn of 1964 an open sports cars based on the 275 series. The convertible called 275 GTS had the drive technology and the chassis of the closed 275 GTB, but a completely independent body. The 275 GTS only stayed in the range for two years. While the closed version was replaced by the further developed 275 GTB / 4 in autumn 1966, Ferrari stopped production of the 275 GTS at that time. It was replaced by the Ferrari 330 GTS , an open version of the 330 GTCwith the 4.0 liter twelve-cylinder engine. At the same time, Carrozzeria Scaglietti manufactured a convertible version of the standard 275 GTB / 4, known as the 275 GTB / 4 NART Spyder , ten times in 1967 and 1968 on behalf of the US Ferrari importer Luigi Chinetti . It was not part of Ferrari's factory program and is not recognized by Ferrari as an official model, but is now one of the most expensive classics with Ferrari technology.
Chassis and running gear
The chassis of the 275 GTS bears the factory designation Tipo 563 . It corresponds to that of the closed 275 GTB and consists of a ladder frame that is welded together from oval and rectangular tubes. A novelty was the independent suspension on all four wheels, which consists of double triangular wishbones , coil springs and hydraulic telescopic shock absorbers at the front and rear ; stabilizers are also used.   The rear axle with the gearbox attached to it ( transaxle construction ) was also a new design. Like the older Ferraris, the clutch sits on the flywheel. TheThe cardan shaft is mounted on a slim but sturdy carrier with a central fixed bearing.
Like the GTB, the Ferrari 275 GTS is powered by a 3.3 liter twelve-cylinder V-engine (3286 cm³; bore × stroke: 77 × 58.8 mm), which bears the factory designation Tipo 213 . This engine is the last expansion stage of a design that goes back to Gioacchino Colombo , which began in 1947 with a displacement of 1.5 liters and had already grown in the 250 family to a total volume of 3.0 liters. This distinguishes the 275 GTB from the sports cars of the 330 family offered at the same time, whose 4.0 liter twelve-cylinder engine ( Tipo 209 ) has a newly designed block.
The basic version of the 3.3-liter twelve-cylinder is used in the Ferrari 275 GTB. The engine here has wet sump lubrication . There is one inlet and one outlet valve per cylinder. Each bank of cylinders has an overhead camshaft driven by a chain. However, the engine output has been reduced by 20 HP (15 kW) to 260 HP (191 kW) compared to the 275 GTB. Ferrari also changed the gear ratio, which resulted in a lower top speed (235 km / h).  The further developed version of this engine with four overhead camshafts ( Tipo 226 ) appeared from 1966 in the closed 275 GTB / 4, but it was not installed in the open 275 GTS.
The design of the body is attributed to the Pininfarina designer Tom Tjaarda . The structure of the 275 GTS is stylistically independent; it bears no resemblance to the closed 275 GTB. Compared to the GTB body, the GTS body is described as "much more restrained"  or "compact and harmonious"  . The lines took up elements of the 250 GT Cabrio. Like this one, the front end does not have a curved profile. Rather, the beltline runs almost horizontally from the headlights to the doors. The round headlights are not covered by a plexiglass dome. While the front bumper on the 275 GTB is in two parts and is interrupted by the radiator opening, on the 275 GTS it extends across the entire width of the car. The windshield is steeper than on the 275 GTB. The front fenders have side air outlets, the design of which has been changed several times. The first models have eleven, later three struts in the openings. 
Six copies of the 275 GTS were designed as three-seater. In addition to a regular driver's seat, they had a wide passenger seat that was designed for two passengers. All other vehicles were pure two-seaters. 
Unlike the 275 GTB, the GTS was not built by Scaglietti, but by Pininfarina. It stayed in the program until 1966. During this time 200 vehicles were built, 186 of them with left-hand drive and 14 with right-hand drive. The series is divided into chassis numbers 06001 to 08653. It was succeeded in 1966 by the Ferrari 330 GTS , whose body is similar to that of the 275 GTS with the exception of the front section.
|Technical data Ferrari 275 GTS|
|Motor||12-cylinder V-engine (four-stroke), fork angle 60 °, longitudinally at the front|
|Engine type||Type 213|
|Bore × stroke||77 × 58,8 mm|
|Power at 1 / min||
191 kW |
|Max. Torque at 1 / min:||294 Nm at 5000|
|Mixture preparation||3 downdraft twin carburettors Weber 40DCZ6|
5-speed gearbox, rear- |
wheel drive on the rear axle
|Front suspension||Wishbones, coil springs|
|Rear suspension||Wishbones, coil springs|
|Brakes:||Disc brakes all around, servo|
|steering||Snail and roller|
|body||Sheet steel on oval tube frame chassis|
|Front / rear track||1377/1393 mm|
|Dimensions||4350 × 1675 × 1250 mm|
|Empty weight||1150 kg|
|Top speed:||235 km / h|
|0–100 km / h||not specified|
|Consumption (liters / 100 kilometers)||that. 19|
|price||DM 49.800 (1966)|
- Leonardo Acerbi: Ferrari: A Complete Guide to All Models. MBI Publishing Company LLC, 2006, ISBN 978-0-7603-2550-6.
- Georg Amtmann, Halwart Schrader: Italian sports cars. Motorbuch-Verlag, Stuttgart 1999, ISBN 3-613-01988-4
- Matthias Braun, Ernst Fischer, Manfred Steinert, Alexander Franc Storz: Ferrari road and racing cars since 1946. Motorbuch Verlag, Stuttgart 2006, ISBN 978-3-613-02651-3 .
- Peter Braun, Gregor Schulz: The great Ferrari manual. All series and racing vehicles from 1947 until today. Heel Verlag, Königswinter 2006, ISBN 3-89880-501-8 .
- Godfrey Eaton: The Complete Ferrari. Edited by Geoff Willoughby. Cadogan Books, London 1985, ISBN 0-947754-10-5.
- Brian Laban: Ferrari. Translated from the English by Frauke Watson. Parragon Books, Bath 2006, ISBN 978-1-4054-1409-8 .
- The car models 1966/67 and 1968/69 (dates and price).
- Frank Oleski, Hartmut Lehbrink: Series sports car. Könemann, Cologne 1993, ISBN 3-89508-000-4 , p. 272.
- Brian Laban: Ferrari. Translated from the English by Frauke Watson. Parragon Books, Bath 2006, ISBN 978-1-4054-1409-8 , p. 61.
- Frank Oleski, Hartmut Lehbrink: Series sports car. Könemann, Cologne 1993, ISBN 3-89508-000-4 , p. 270.
- Matthias Braun, Ernst Fischer, Manfred Steinert, Alexander Franc Storz: Ferrari road and racing cars since 1946. Motorbuch Verlag, Stuttgart 2006, ISBN 978-3-613-02651-3 , p. 216.
- Peter Braun, Gregor Schulz: The large Ferrari manual. All series and racing vehicles from 1947 until today. Heel Verlag, Königswinter 2006, ISBN 3-89880-501-8 , p. 66.
- Peter Braun, Gregor Schulz: The large Ferrari manual. All series and racing vehicles from 1947 until today. Heel Verlag, Königswinter 2006, ISBN 3-89880-501-8 , p. 67.
- Matthias Braun, Ernst Fischer, Manfred Steinert, Alexander Franc Storz: Ferrari road and racing cars since 1946. Motorbuch Verlag, Stuttgart 2006, ISBN 978-3-613-02651-3 , p. 140.