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Porsche 911 2.4 S engine overhaul
This Porsche 911 2.4 S engine was fully overhauled by Classic Job. The car is part of the yellow Porsche 911 which is restored and modified to Porsche 911 ST specifications
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Classic Job overhauls / rebuilds and uprates engines, gearboxes, rear axles and other mechanical parts of classic (sports) cars including competition engines.
The Porsche 911 is the successor of the Porsche 356. The first Porsche 911 was presented at the Frankfurter car show in the year 1963; the car was named 901. In the year 1964 the name 901 was changed into 911 because the French automobile manufacturer Peugeot possesses the rights on numbers with the "0" in the middle for use in car names. As often happens introducing successors for beloved car models the 901/911 did not receive a very warm welcome from the Porsche customers. The Porsche 356 drivers made clear the new model did not fit the Porsche image. They claimed the car was too big, too powerful and too luxurious... how history has proven the critics wrong. Ferdinand Porsche and his son Ferry (also known as Butzi) created a true evergreen. What they did not know at that time was that the first fundamental design changes where carried out designing the 911/993 model which was introduced in the year 1993. The Porsche 911 was designed and constructed with a unitary bodywork structure in which the engine is located at the rear end of the car. The six cylinder engine is of the flat boxer type and it is air-cooled. The 911 was fitted with independent suspension at the front and the rear, and a five speed gearbox with floor shift, from start of the production.
Technical data
six cylinder boxer engine (OHC)cylinder capacity: 2341 cc.
induction: Bosch petrol injection
capacity: 190 bhp. at 6500 rpm.
torque: 216 Nm. at 5200 rpm.
top speed: 144 mph. - 230 km/h.
acceleration 0-100 km/h: 6.6 sec.
brakes: disc brakes all round
gearbox: 5-speed, manual
weight: 1050 kg.
Porsche history 1931-1990
On 25 april 1931 Professor Ferdinand Porsche founded his automotive engineering company. The company was named:
"Porsche Konstruktionsburo für Motorenfahrzeug und Wasserfahrzeugbau". Porsche engineering designed merely for automotive manufacturers. Porsche engineering designed and constructed small cars for Zündapp, NSU and Wanderer. Porsche also engineered a fair share of the Mercedes-Benz Grand Prix racing cars and some components were even built by Porsche engineering.
The most important prewar successes of Porsche engineering were the development and production of the Auto Union Grand Prix racing cars and the design and production of the "Kraft-Durch-Freude-Wagen" later to be known (and become world famous) as Volkswagen Beetle.
Ferdinand Porsches big dream was to build sportscars carrying his own name... In the year 1936 he started project 60K10, a racingcar prototype to participate in the Berlin-Rome road race. The 60K10 was mechanically based on "KDF-Wagen" components of which the chassis, engine and other components were used. In 1939 project 60K10 was finished; a beautiful aluminium bodied aerodynamic racingcar was the result. Regretfully the second world war became reality and all projects at Porsche were stopped and the Berlin-Rome road race was cancelled. Porsche moved his company and the production line to an old sawmill in Gmünd, Austria.
After the second world war not much was left of the German industry, everything needed to be rebuilt. The old Porsche company building in Stuttgart Germany was taken by the allies, the personnel had to manufacture gardening equipment and repair farming machinery.
In the old sawmill in Gmünd Ferdinand Porsches son Ferry Porsche and Prof. Eberan van Eberhorst started working on project 356 in the year 1947. On that moment in time Ferdinand Porsche was still imprisoned in France being suspected of war crimes. Ferdinand Porsche was found not guilty and was set free in August 1947. He joined project 356 and the first prototype was finished in march 1948; Porsche 356-001 was born.
The Porsche 356-001 was built using a chassis with tubular framework covered with aluminium body panels. Mechanically the car was based on Volkswagen components. The Porsche 356-001 was equipped with a center mounted engine located just in front of the rear axle.
The Porsche 356-001 prototype was evaluated and some changes were made for the production model. The most evident change was the relocation of the engine which would move behind the rear axle to provide additional interior space.
The production Porsche 356 shape was designed by Erwin Komenda. Until 1948 approximately 50 Porsche 356 cars were built with aluminium bodies in the old Gmünd sawmill, these cars are currently known by the name "Gmünd models".
Porsche never planned large scale production of the 356 but the production facility in Gmünd soon became insufficient.
In the year 1948 Porsche moved back to Stuttgart Germany. They rented a facility next-door the old Porsche building and they rented additional space at bodywork factory Reutter.
The Reutter firm was asked to built the Porsche 356 coupe body's and manufacturer Gläser became responsible for the production of the 356 convertible body's. All 356 bodywork variant were now built of steel.
Spring 1949 the Porsche 356 appeared at it's first car show; the Geneva car show.
The Porsche 356 was going to have a long production life in which it was improved continuously. Between 1948 and 1963 the following 356 models were presented;
Gmünd models 1948 - 1951, the pre-A models 1950 - 1955, the 356 A 1955 - 1959, the 356 B 1959 - 1963,
the 356 C 1963 - 1965.
In the same time period some special models were introduced; between 1955 and 1965 the 356 Carrera model was built. The Carrera engine was fitted with four overhead camshafts. Between 1954 and 1964 special convertible models were produced like the America Roadster, the Speedster and the Convertible D.
September 1963 saw the introduction of the Porsche 356 successor on the Frankfurter car show; the Porsche 901 (later to be known as Porsche 911).
In the month October of the year 1964 the Porsche 901 was renamed (re numbered) 911. Porsche was forced to do so because automobile manufacturer Peugeot owned the legal rights on three digit car numbers with the "0" in the middle.
As often happens with the introduction of a new model the existing Porsche customers were not very charmed by the new model. They claimed the 901/911 was too large, too powerful and to luxurious to be a real Porsche.
The market proved the opposite for Porsche. The Porsche 911 sold and sells very well and would prove to be timeless by design. The basic 911 concept and dimensions evaluated over the years and the car became fully thoroughbred.
The first extensive redesign (without change of concept and basic shape) would be materialized in the Porsche 911/993 which was presented in the year 1993...
The Porsche 911 was designed with a steel unitary bodywork construction in which the engine was located behind the rear axle. The 911 engine is a air-cooled six cylinder "boxer" engine. The suspension of the Porsche 911 was independent from the start as was a five speed gearbox with floor shift.
The air-cooled Porsche 911 six cylinder boxer engine would evaluate enormous through the 35 years of production; it grew from 2 liter capacity up to 3.6 liter... The six cylinder boxer engine is still built but was converted to liquid cooling to keep up with sound- and emission control standards. The liquid cooled six cylinder boxer engine was presented in the 911/996 model which was introduced in the year 1998.
911 models from 1963 up to today:
The 2-liter 911 1963 - 1969, the 2.2-liter 911 1970 - 1971, the 2.4-liter 911 1972 - 1973, the 2.7-liter 911 1974 - 1977, the 911 Turbo 1975 - 1993, the 911 SC 1978 - 1983, the 911 Carrera 3.2 1984 - 1989, the 911/964 Carrera 4 and 2 1989 - 1993, the 911/993 Carrera 1993 - 1998, the 911/996 Carrera (liquid cooled) 1997 - present day.
In the many years of Porsche 356 and 911 production Porsche also designed many successful racing cars such as the 1958 Porsche 718 RSK Spyder. (Click here tot take a look at, amongst others, 6 championship winning Porsche GT sports cars).
Porsche also designed and built sportscars for street use fitted with centrally mounted engines and front mounted engines.
In the year 1969 the result of a project in cooperation with Volkswagen was the VW-Porsche 914. This car was fitted with a centrally mounted VW four cylinder engine. Also a limited series was built with the two liter Porsche flat six engine; this car was named Porsche 914-6. The VW-Porsche 914 was a huge success, over 100.000 were sold.
In the year 1975 Porsche introduced the Porsche 924 which was developed in cooperation with Volkswagen again. The 924 was designed by the Dutchman Harm Lagaay who is responsible for the looks of every Porsche model ever since. The Porsche 924 was a good looking car and it was fitted with a two liter Audi four cylinder engine. Again the cooperation with Volkswagen proved to be successful; over 110.000 Porsche 924 cars were sold until 1985.
In the year 1977 a revolution takes place at Porsche as they introduce the very futuristic Porsche 928. The 928 was fitted with a new Porsche engine design, a 4.5 liter V8 engine which was front mounted powering the rear wheels of the car.
The Porsche 928 was a real GT sportscar for long distance drives, with it's perfect suspension and powerful engine it was able to perform extraordinary with great driving comfort.
The Porsche 928 was going to win the "Car of the year" award in 1978 which was a surprise because it was a very expensive top-of-the-line sportscar...
Porsche was able to attract a new customer group with the 928. After 18.000 cars being produced Porsche ceased production of the 928 in the year 1982.
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