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1972 Citroen SM

6 Jun 2012
Price: P.O.A.
1972 Citroen SM
We are pleased to offer a beautiful Citroen SM. A condition B car with no rust, original interior and part o a European collection. Now in need for a service and ready to go!!! For the history, the Citroën SM first shown at the Geneva Motor Show in March 1970. It finally went on sale in France in September of that year. All produced were left-hand-drive, although three official RHD conversions were done in the UK, and recently also Australia. The origin of the model name SM is not clear. The S may derive from the Project S designation, the aim of which was to produce what is essentially a sports variant of the Citroën DS, and the M perhaps refers to Maserati, hence SM is often assumed to stand for Sports Maserati. Another common alternative is Série Maserati,[2][3] but others have suggested it is short for Sa Majesté (Her Majesty in French), which aligns with the common DS models nickname La déesse (The Goddess). The SM was Citroëns flagship vehicle, competing with other high-performance GTs of the time from manufacturers such as Jaguar, Lotus, Ferrari, Aston Martin, Alfa Romeo and Porsche. It was also Citroëns way of demonstrating just how much power and performance could be accommodated in a front-wheel drive design. The SM introduced a new type of variable assist power steering that has since spread throughout the vehicle population. DIRAVI as it was called, allowed great assistance to the motorist while parking, but little assistance at motorway speeds. The steering actually had the same assist at all speeds — the steering was hydraulically locked against steering movement of the wheels from the road (feedback) up to the capacity of the unit. Hitting a pothole at high speed would not turn the steering wheel in the drivers hands. The reduction in assist was achieved by a piston/roller pushing on a heart shaped cam geared to the steering shaft (hence the one turn to full lock), which was fed with system pressure so that as its pressure rose with increasing road speed, the steering assistance seemingly reduced and the steering centering effort rose. However, full steering wheel turning was available at all speeds, though considerable force was necessary to turn the steering wheel at high road speed. Enough pressure was admitted to the centering unit to return the wheels to the straight ahead position when the car was not moving. The centering pressure was regulated by a flyweight centrifugal governor driven by the pinion (secondary) shaft of the manual gearbox and by a proportioning valve connected to the fluid pressure in the automatic gearbox, which pressure was proportional to the speed of the output shaft. The pressure increased all the way to 120 mph (190 km/h), and a subsidiary function of this feed was to turn off the air conditioning fans above 50 km/h (31 mph). Price: 21.700Eur. Note: the car is in Greece

Location: London, London - United Kingdom Phone: 00447582962289

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Car information

Vehicle basics

Year 1972   Vehicle style Coupe

Exterior details

Color Green   Restoration history In progress
Condition of exterior Very good      

Interior details

Color Tan   Seat material Leather
Condition of interior Very good   Restoration history In progress

Engine details

Engine configuration 8 cylinder   Engine size 1
Engine history Overhauled   Engine condition Running

Transmission details

Transmission type Manual   Drive train Rear-wheel drive

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