Engines - Engine Theory

Engine Theory: Cylinder Deactivation

August 29th, 2009

Also called multiple displacement, displacement on demand (DOD), and variable cylinder management, in reference to automotive engines. Cylinder Displacement technology merely deactivate some of the engine’s cylinders when they are not needed. This temporarily turns a 8- or 6-cylinder engine into a 4- or 3-cylinder engine. This technology is not used on 4-cylinder engines since it [...]

Tags: cylinder deactivation, engine theory
Posted in Engine Anatomy and Problems | 1 Comment » Engines

What is a Single Overhead Cam Engine (SOHC)??

May 28th, 2009

SOHC engine

[/caption] Highly efficient in design, a single overhead cam(SOHC) engine potentially generates a higher engine speed permitting greater revolution per minute(RPM) than compared to older style pushrod-driven overhead valve (OHV) powerplants. Gaining attention like they were invented recently, today as advanced, single overhead cam engines were successfully used in racing back [...]

Tags: engine theory, SOHC
Posted in Engine Anatomy and Problems | 3 Comments » Engines

What types of oil systems do automotive engines use?

May 25th, 2009

Lets talk about how automotive or truck engine oil systems work. GotEngines.comÂ will discussÂ with 2 of the 3 systems today. 1. Wet sump- splash system. Not used in cars for more years than I can remember. They have not used a splash system in lawn mowers fro 15 or 20 years. It served it’s purpose at the [...]

Tags: engine oil systems, engine theory
Posted in Engine Anatomy and Problems | 3 Comments » Engines


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Engine Theory: Cylinder Deactivation

What is a Single Overhead Cam Engine (SOHC)??

What types of oil systems do automotive engines use?

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