"Audi 80 B4" is a German mid-size vehicle manufactured from 1991 to 1995. During this time we developed and produced several versions of this model, differing powerplants and equipment. Before find out which engine "Audi 80 B4” is better, consider a brief description of modifications of this brand.
Modification Of 1.6 E:
Figuring out what the engine is “Audi 80” (B4) better consider the characteristics of the diesel TDI model.
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Which engine is better in this series? Here are the petrol models. Consider the options of cars with a manual transmission and an automatic transmission.
Below are the technical data of the vehicle “Audi 80” (B4) engine that aggregates with a manual transmission.
Below are the characteristics of the models with the injectors, equipped with engines of 2.3 and 2.6 L.
Audi 80 2.3 E Quattro
Continuing to examine what engine «Audi 80” (B4) is better, consider the technical parameters of modification 2.6 E Quattro:
Below are the characteristics of "Audi 80" (B4), which is the most powerful in this series:
Next, let's examine the specifics of the engines of the car in question.
Engines with four cylinders represent a modification of the previous engine mounted on an early version. To improve torque allowed the increase of the unit up to two liters. There are two versions of these motors on “Audi 80” (B4). Relay, injection system and fuel consumption – the main differences between them.
Option with a capacity of 90 "horses" uses fuel AI-92, the injection of fuel through one injector under the throttle valve. Analog power 115 "horses" is equipped with a fuel supply system of the type Digifant. As fuel is gasoline category «Euro Super”, which is fed into the combustion chamber by means of injectors or valve.
The Main difference of the power unit with five cylinders is its design. Rod journal of the crankshaft placed at an angle of 72 degrees, and the unit has a pair of counterweights for each cylinder. Also the damping of oscillations is due to the presence of the imbalance on the flywheel and damper.
This motor is equipped with an automatic system multipoint injection fuel. In addition, a flow meter air mass with hot thread. This design allows the flow of fuel into the compartment combustion of each cylinder, which affects economical consumption and reduction of harmful emissions into the atmosphere. To adjust the supply of fuel mixture are two sensor that allows to avoid damage of the engine when using petrol with the wrong octane index.
The V6 Engine is equipped with a pair of camshafts top location. They are driven with toothed belts. The valves of these elements are adjusted tappets Poppet type. In the space between the rows of cylinder heads is the intake manifold volume. It is a feature of this motor, as it has a changeable configuration of the internal cavity that provides a high revving on a wide range of rotations of the power unit.
The ignition module of the considered motor is not equipped with a manual dispenser and is controlled by an electronic system. Exhaust gases from both cylinder rows go to a couple of catalysts that are independent. Two heated probe also isolated included in the right and left Bank. They provide exhaust emission with minimal inclusion of harmful substances.
The six-cylinder Engine, the estimated volume of 2.6 liters, has a modified injection system with a flow meter of the mass of the incoming air mixture. In addition, it does not have the pipeline to the corrected configuration. However, the engine power remains at 110 kW with torque of 225 Nm (3500 rpm).
Diesel «Audi 80” (B4) is presented in two variations. Version TD with turbine boost has a volume of 1.9 liters, the power – 55 kW. It was placed on cars that were produced until mid-1992. A torque of 150 Nm guaranteed at 2200 rpm. On later modifications were mounted power unit TDI, which also resistan 1.9 liters, the power was 66 kW. To ensure a torque of 150 Nm was required 2400 rpm.
Since the end of 1993, the cars are equipped with an improved version of that motor. Torque it is 202 Nm at 1900 rpm. The cylinder block of diesel engines is made of cast iron. Its lower part contains the crankshaft, and at the top there is located inline four cylinder. They are surrounded by a jacket of coolant. The crankshaft is equipped with five indigenous supports so that each rod journal is equipped with support from both parties.
All of the power plant «Audi 80” provides steadily driven at least 100 thousand kilometers. In diesel engines the real working life may be no less than 130 thousand, especially if operational conditions allow to minimize the cold starts the power unit and the owner does not drive often at maximum speed. Driving style and care of the site also affect the uninterrupted period of operation of the motor.
The Important role played by regular oil change, which should be the brand and type recommended by the manufacturer. If during the operation of the motor with diesel fuel were not observed deformation of the valve rod or piston, then zoom in to mileage over 100 thousand miles you should be prepared to problem starting the engine in cold time of the year.
The Car «Audi 80” (B4) the feedback from users gets mostly positive. The owners say a lot of advantages, namely:
Deficiencies noticed not as many but there they were. Among the disadvantages:
Since the car in question is available exclusively in the secondary market, its performance and price largely depend on the mileage, technical condition and previous operating conditions.
As powertrain “Audi 80” can be used both gasoline and diesel engines. A wide range of different first variation. Between the engines differ in design and number of cylinders. Machines are equipped with 4-, 5 - or 6-cylinder petrol powerplants. In addition, they can be different according to the number of camshafts, which have different types of injection of fuel. Among motors “Audi” (B4) that runs on diesel fuel, presents two modifications. All the power units in the engine compartment longitudinally placed.
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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