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Porsche 911 Carrera

Porsche never intended to build the original 911 Targa, but in the 1960’s, the future of convertibles was at a threat by US regulations. Therefore the company developed the Targa, which was an “almost-convertible” with a permanent roll-bar. The Targa gained its popularity with no other drop top to compete with, despite its awkward looks. A rear glass window replaced the original plastic version and the stainless-steel roll hoop was…

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Diesel Engines

FUNDAMENTALS In 1892, a German engineer named Rudolf Diesel perfected the compression ignition engine that bears his name. The diesel engine uses heat created by compression to ignite the fuel, so it requires no spark ignition system. The diesel engine requires compression ratios of 16:1 and higher. Incoming air is compressed until its temperature reaches about 1,000°F (540°C). This is called heat of compression. As the piston reaches the top…

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Cooling System

PURPOSE AND FUNCTION   Satisfactory cooling system operation depends on the design and operating conditions of the system. The design is based on heat output of the engine, radiator size, type of coolant, size of water pump (coolant pump), type of fan, thermostat, and system pressure. The cooling system must allow the engine to warm up to the required operating temperature as rapidly as possible and then maintain that temperature….

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Engine Overview, Basic operations, Function and Descriptions

INTRODUCTION The purpose and function of an engine is to convert the heat energy of burning fuel into mechanical energy. In a typical vehicle, mechanical energy is then used to perform the following: _ Propel the vehicle _ Power the air-conditioning system and power steering _ Produce electrical power for use throughout the vehicle Engines use energy to produce power. The chemical energy in fuel is converted to heat energy…

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Mercedes Benz SLR McLaren

The Mercedes-Benz SLR marks a new era for high-performance cars and at the same time, celebrates the formidable SLR race cars of the 1950s. The SLR McLaren combines unmatched power and performance with classic Mercedes-Benz design. Featuring a full carbon-fiber body, the SLR is powered by a 617-horsepower supercharged 5.5-liter V8 engine that rockets the new SLR from zero to 100kph in under 3.8 seconds, on its way to a top…

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Maserati GranTourismo Convertible

Maserati GT Convertible As Maserati celebrated their 100th anniversary in 2014, the Italian automaker was set to introduce a special edition GranTurismo MC for the occasion. The car came with a bunch of interior and exterior upgrades. It is a natural evolution, in true Maserati tradition, of the marque’s first open-top four-seater—the remarkable GranTurismo Convertible. The most distinctive feature of the car is its fabric soft-top, a highly sophisticated design that is stylistically…

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