Opel Super Six 1939 / Model 1938 (3160) by Le Photiste Manufacturer: Adam Opel AG, Rüsselsheim am Main - Germany / General Motors Company, Detroit - USA Type: Super Six 4-door Limousine Modell 3700 LV Production time: November 1936 - November 1938 Production outlet: 46,453 (all models) Engine: 2473cc straight-6 Opel 2.5 OHV I-head Power: 55 bhp / 3.500 rpm Torque: 145 Nm / 1.600 rpm Drivetrain: rear wheels Speed: 117 km/h Curb weight: 1150 kg Wheelbase: 104 inch Chassis: steel box frame type 104-A with cross traverses and separate wooden skeleton bodywork and steel casing Steering: screw (worm) segment steering, from 1938 Gemmer worm & roller Gearbox: three-speed manual / II and III synchronized / floor shift Clutch: single dry plate disc with spring dampers Carburettor: Opel downdraft vertical (Carter licence) with accelerator pump Fuel tank: 39+5 liter Electric system: Bosch 6 Volts 76 Ah Ignition system: distributor and coil Brakes front: hydraulic drums Brakes rear: hydraulic drums Suspension front: independent trapezoidal double-torsion bar stabilizer, "synchronous” reaction strut + Dubonnet springs / shock absorbers (Opel synchro-suspension) Suspension rear: beam axle in pressed steel housing, stabilizer, longitudinal semi-elliptical leaf springs + hydraulic lever shock absorbers Rear axle: live banjo type Differential: spiral bevel 4.30:1 Wheels: 16 inch steel discs Tires: 5.50 x 16 Options: Special: - The company was founded on January 21, 1863 and began making automobiles in 1899. In March 1929 General Motors bought 80% of the company increasing this to 100% in 1931 and continues as a subsidiary. The Opel family gained $33.3 million dollars from this transaction. - Opel is GM's largest European brand and with Vauxhall forms GM's core European business. - The Super Six Series was available as this 4-door Limousine, as 2-door 3700 LZ Coupé-Limousine and as 2-door 3700 LC4 Cabriolet 4-seats. - An interesting detail was the windscreen wiper drive which received its power via a mechanical linkage from the camshaft, a solution which Opel continued to use in post-World War II Rekord models until 1957. - There are about 200 known survivors. http://flic.kr/p/V3oH9J