Engine Guide

Engine Guide

Engine types and components. Guides, service and repairs.

  • Abnormal Engine Noises

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    Abnormal Engine Noises

    Abnormal Engine Noises Today's engines have been designed with more complexity and moving parts than ever before. Most of the time when you hear a clicking,squeaking,whirring ...

  • Air filter modern Replacement

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    Air filter modern Replacement

    Replace or upgrade your Car air filter Replacing your engine's air filter is a relatively simple repair that can be done in a few minutes with everyday tools in most cases. The ...

  • Air flow bench explained

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    Air flow bench explained

    How a Air flow bench works Typical Flow Bench schematic Used primarily for testing the intake and exhaust ports of cylinder heads of internal combustion engines. It is also used ...

  • Antifreeze explained

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    Antifreeze explained

    Car Antifreeze types explained An antifreeze is a chemical additive which lowers the freezing point of a water-based liquid. An antifreeze mixture is used to achieve ...

  • Atkinson cycle Engine

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    Atkinson cycle Engine

    Atkinson cycle Engine The Atkinson cycle engine is a type of internal combustion engine invented by James Atkinson in 1882. The Atkinson cycle is designed to provide efficiency ...

  • Automatic Performance Control

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    Automatic Performance Control

    Car Automatic Performance Control Automatic Performance Control (APC) was the first engine knock and boost control system that was introduced on turbo charged Saab H engines in ...

  • Automotive Air cooling

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    Automotive Air cooling

    Air cooling explained Air cooling is a method of dissipating heat. It works by making the object to be cooled have a larger surface area or have an increased flow of air over its ...

  • Bearing Main

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    Bearing Main

    Engine main bearings In a piston engine, the main bearings are the bearings on which the crankshaft rotates, usually plain or journal bearings. The bearings hold the crankshaft ...

  • Bearing Plain

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    Plain bearing explained A plain bearing is the simplest type of bearing, comprising just a bearing surface and no rolling elements. Therefore the journal (i.e., the part of the ...

  • Big End Crankpin Journals

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    Big End Crankpin Journals

    Big End Crankpin Journals In a reciprocating engine, the crankpins, also known as crank journals are the journals of the big end bearings, at the ends of the connecting rods ...

  • Boost gauge

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    Boost gauge

    Boost gauge A boost gauge is a pressure gauge that indicates manifold air pressure or turbocharger or supercharger boost pressure in an internal combustion engine. They are ...

  • Cam follower

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    Cam follower

    Engine Cam follower In automotive terms a cam follower may also refer to a tappet (or lifter) or rocker arm. A cam follower, also known as a track follower, is a specialized type ...

  • Camless Engines

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    Camless Engines

    Camless Engines Explained Introduction of camless engines Most four-stroke piston engines today employ one or more camshafts to operate poppet valves. The lobes on the camshafts ...

  • Camshaft

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    Camshaft

    Camshaft A camshaft is a shaft to which a cam is fastened or of which a cam forms an integral part. History An early cam was built into Hellenistic water-driven automata from the ...

  • Camshaft Overhead (OHC)

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    Camshaft Overhead (OHC)

    Engine Overhead camshaft (OHC) History The first DOHC car was the 1912 Peugeot which won the French Grand Prix at Dieppe that year. This car was powered by a straight-4 engine ...

  • Car Engine Runs Rough or Misfires

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    Car Engine Runs Rough or Misfires

    Car Engine Runs Rough or Misfires Car engine running poorly at idle only and under power? Or does the engine run fine and it's just the engine idle condition that is the problem. ...

  • Combustion chamber

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    Combustion chamber

    Engine Combustion chamber A combustion chamber is the part of an engine in which fuel is burned. Internal combustion engine The combustion process increases the internal energy ...

  • Compression ratio

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    Compression ratio

    Engine Compression ratio The compression ratio of an internal-combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion ...