1955→1957 Maserati 200SI Barchetta


1955→1957 Maserati 200SI Barchetta

Maserati 200SI Barchetta

Replacing the Maserati A6GCS/53 was the 200SI of 1955. The car was named after the Sport Internazionale class of racing which mandated functional doors, a soft-top and full-width windscreen.

This model was used by the factory works team and privateers in the 2-liter sports car class and was primary competition for the Ferrari 500TR.

The engine was a 2-litre version of the 4-cylinder used in the 150S designed by Vittorio Bellentani with advanced features such as dry-sump lubrication, an aluminum alloy block with cast iron liners. Options included an hemispherical combustion chamber with a 80º angled valves and twin-plug ignition. Using 2 Weber 45DCO03 carburetors, nearly 180 bhp was possible.

Chassis design was similar to other Maserati‘s of the period with a chassis manufactured by Gilco with two main oval-tube longerons. Fantuzzi was responsible for most of the aluminum bodies which resulted in a dry weight of 660 kg.

The 200SI first appeared at the 1955 Imola GP with Franco Bordoni and he later raced the same model at the Targa Florio with Giovanni Bracco. Later the car scored a resounding victory with Stirling Moss at the wheel during the 1956 Trofeo Supercortemaggiore. He beat four Ferrari 500TRs and described the car as “very quick on twisty circuits” and “handled really nicely.”

1955 Maserati 200SI Barchetta Gallery

See full 1955 Maserati 200SI Barchetta Gallery here

1955→1957 Maserati 200SI Barchetta

In Detail

submitted byRichard Owen
typeRacing Car
production years1955 – 1957
built atItaly
production30
predeccesor1953 Maserati A6GCS/53 Spyder
engineInline-4
positionFront, Longitudinal
aspirationNatural
block materialAluminum
valvetrainDOHC 2 Valves / Cyl
fuel feed2 Weber 45DCO03
displacement1994 cc / 121.7 in³
bore92 mm / 3.62 in
stroke75 mm / 2.95 in
compression9.8:1
engine designerVittorio Bellentani
power138.7 kw / 186 bhp @ 7200 rpm
specific output93.28 bhp per litre
bhp/weight281.82 bhp per tonne
torque199.3 nm / 147 ft lbs @ 5500 rpm
body / frameAluminum
driven wheelsFront Engine
front tiresPirelli 5.25×16
rear tiresPirelli 5.5×16
front brakesHydraulic Drums
rear brakesHydraulic Drums
front wheelsF 40.6 x 11.4 cm / 16.0 x 4.5 in
rear wheelsR 40.6 x 14.0 cm / 16.0 x 5.5 in
steeringWorm Gear
curb weight660 kg / 1455 lbs
wheelbase2150 mm / 84.6 in
front track1250 mm / 49.2 in
rear track1200 mm / 47.2 in
length3900 mm / 153.5 in
width1450 mm / 57.1 in
height980 mm / 38.6 in
transmission4 or 5 Speed Manual Transaxle
top speed~249.4 kph / 155.0 mph
0 – 100 mph~7.3 seconds
key driversStirling Moss, John Fitch, Jo Bonnier, Lance Reventlow,
race victories1956 Trofeo Supercortemaggiore