The Maserati brothers had a passion for racing, with early endeavors employing the two-liter Grand Prix cars designed for Diatto. When racing was suspended in 1926, the Trident was unveiled and the company began production of sporty, road-going machines. By the 1950s, when the company was under Orsi family ownership, the company introduced purely road-going sports cars, GT cars, and even race cars. Success by Juan Manuel Fangio in the iconic 250F gained worldwide fame and the opportunity to capitalize on the new A6 model which was Maserati's initial production/road offering that eventually evolved into the A6GCS.
As the 1950s progressed, Maserati became faced with a bleak future and its financial difficulties forced a withdrawal from racing. The company's survival strategy henceforth centered on its road-going products. The first of these new products were introduced in March of 1957 at the Geneva Motor Show. It was the Giulio Alfieri-designed 3500GT and nearly 2,245 examples were built in both Coupe and spyder format between 1957 and 1964. Alfieri was also the creator of the Tipo 60/61 'Birdcage' sports racer and the man responsible for developing the 250F into a World Championship winner. The 3500GT was a major departure for the company, offering luxurious high-speed transportation in gran turismo fashion. The 3500 stunned the motoring public with its technical innovation, coachbuilt appeal, and captivating design. Power was sourced from a dual overhead camshaft six-cylinder engine developed by Ing. Alfieri from Maserati's experience with the A6 and 350S. Its redesigned camshafts and other small detail changes made it more reliable and useable for street use.
Early models had drum brakes on all four wheels, and disc brakes became optional in 1959 before becoming standard in 1960. A ZF five-speed transmission replaced the former four-speed unit. Lucas fuel injection replaced carburetors, but they sometimes proved difficult to tune. Borrani wire wheels were also offered but rarely selected as they were expensive. The tubular chassis frame used an independent suspension in the front with wishbone and coil springs, with a conventional live axle rear setup with a semi-elliptic arrangement.
The coupe bodywork was created by Touring using their Superleggera techniques and joined in 1960 by Spyder coachwork by Vignale. The open bodywork of Vignale received unique characteristics and detail changes that included vents, scoops, and a four-inch shorter wheelbase than the coupe. A total of 250 Spyders were built over a five-year period, compared to the approximately 2,000 coupes. The 3500GT chassis also received coachwork from some of Italy's finest carrozzerias including Allemano, Bertone, Boneschi, and Frua, however, most of the coupes were the work of Touring and all (but one - a Frua-bodied examples) wore the Spyder coachwork.
The 'Sebring' Series I was introduced in 1962 and is one of the final manifestations of the 35000GT. By now, the 3500 GTi's (the 'i' signified the use of Lucas fuel injection) came standard with a five-speed gearbox, fuel injection, and four-wheel disc brakes. An automatic transmission, a limited-slip differential, and air conditioning were part of the options list. The Sebring Series II was introduced in 1965 and came with a 3.7-liter engine with 245 horsepower, although some cars left the factory with 4.9-liter units towards the end of production in 1966. Approximately 591 Sebring were built with 348 being first series examples and 243 being Series II cars.
by Dan Vaughan