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1954 O.S.C.A. Foglietti Valentini MT4-2AD

Chassis no. 1144
Engine no. 1127
Coachbuilder Valentini
One-off 1100 O.S.C.A. MT4, born Morelli, re-designed by specialists Enrico Foglietti and Giorgio Valentini. Constant fighter, often 1st in class from 1954 to 1963.

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In 1937 the three surviving Maserati brothers, Ettore, Ernesto and Bindo, sold out to the Orsi Group in Modena to avoid bankruptcy. The assignment contract included a ten-year consultancy for the Maserati brothers. After that period, in 1947, they decided to come back to San Lazzaro di Savena, near Bologna and found the Officine Specializzate per la Costruzione Automobili Fratelli Maserati S.p.A. – O.S.C.A. for short – to build limited edition competition cars. The Maserati brothers were real racers, and their little O.S.C.A.s built, were real racing cars, the ultimate expressions of a long line of outstanding cars that bore their name, beginning in 1926. O.S.C.A.'s first automobile was the MT4, for Maserati Tipo 4 cilindri. Their goal was to develop an automobile to compete in the 1100 cc racing class. The choice of a small displacement was due to financial reasons: two years after World War II, Italy was still economically prostrate, moreover, there were no sponsors or big car manufacturers behind them to support the development of the car. There weren’t and won’t be teams of engineers or technicians in the years to come: Ernesto Maserati is solely responsible for conception and design. Over the next eight years the MT4 was developed into the most successful under-1500 cc sports/racing car in the world. The chassis followed the lines of their A6GCS Maserati (the last model they designed before leaving the Maserati factory): a tubular frame with independent double A-arms front suspension and a live axle on the back. The 1092 cc engine had an alloy headed FIAT-derived block and the bodywork was built as a two-seater barchetta. Tested by the same Ernesto, the car made its racing debut in September 1948 driven by Gigi Villoresi who, against racers and cars of the highest level brought the small O.S.C.A. to victory. A young Veronese, Giulio Cabianca, bought an OSCA 1100. He began a very long series of successes and, then, more and more drivers will be driving an Osca. The brothers continuously developed the engine and created (for the MT4-2AD) their own aluminum-block engine design with twin cams and cc started to grow, from 1342 cc, to 1453 cc and then, finally, to the twin-spark 1491 cc variant. O.S.C.A. fit seven different versions of their alloy Inline-4 engine into the MT4, and all fell below the 1.5 liter mark. Of the around 200 O.S.C.A. cars produced, perhaps 80 were MT4s, and of the MT4s, records show 40 barchettas with Morelli of Ferrara bodies. There were other interpretations, of course, like the coupes of Vignale or Frua. But the most interesting aspect is that many MT4 were updated in the body with the years, even by artisans, to be always competitive in the races in which they participated. The MT4 was OSCA's most prolific model, but the company also produced a variety of models in both single and two-seater configuration fitted with four, six, and even twelve-cylinder engines, from 750 cc to 4500 cc.

1954 O.S.C.A. Foglietti Valentini MT4-2AD, chassis n°1144 is a one-off. It’s equipped with the original matching number O.S.C.A. DOHC 1100 engine (n°1127). Started as “standard” MT4 by Morelli, it was first modified by the specialist Ernesto Foglietti in the front. Later, Foglietti with the engineer Giorgio Valentini modified the chassis in the rear axle and suspension: trailing arms instead of leafsprings. The body, designed differently from the other MT4s (with a Lotus flavor) was entirely in aluminum, the bottom consisted of a single shaped aluminum sheet. In the front part, Mr. Valentini realized, with aerodynamic function, two profiles that partially covered the front wheels so that the outflow of the air was conveyed. The exhaust pipes ran along the lower left side. In addition, the car was equipped with a long rear fin following the headrest. 1144 was owned and raced in 1954 by the racing driver Umberto Bini, it was 1st in class that year at the Gran Premio di Napoli, Coppa d’Oro delle Dolomiti and Circuito di Reggio Calabria. In the hands of owner-driver Carlo Monzino the following year it ran the 1955 Mille Miglia, with the owner-driver Rinaldo Masperi ran the 1956 and 1957 Mille Miglia. The career of this car was full of satisfactions and long lasting. For 1963, its last year in competitions, to meet the new rules of the sport category, its displacement was (temporarily) reduced to 1000 cc.