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2. Velocity stack - Wikipedia

   en.wikipedia.org/wiki/Velocity_stack

   Short velocity stacks on a 302 cu.in. Ford FE engine in the tight confines of a Ford GT-40. A velocity stack, trumpet, or air horn [1] is a typically flared, parallel-sided tubular device fitted individually or in groupings to the entry of an engine's air intake system to smooth high speed airflow, and allow engine intake track tuning to incorporate pressure pulses created by its internal ...

3. MAP sensor - Wikipedia

   en.wikipedia.org/wiki/MAP_sensor

   The way they do this is during a deceleration of the vehicle when there is low absolute pressure in the intake manifold (i.e., a high vacuum present in the intake manifold relative to the outside air) the powertrain control module (PCM) will open the EGR valve and then monitor the MAP sensor's values. If the EGR is functioning properly, the ...

4. Edelbrock - Wikipedia

   en.wikipedia.org/wiki/Edelbrock

   Edelbrock has two facilities in North Carolina: the Edelbrock Carburetor Division in Sanford, and the Edelbrock Race Center in Mooresville. Vic Edelbrock founded the corporation in 1938 when his desire to increase the performance of his 1932 Ford Roadster led him to design a new intake manifold, [3] friends and fellow drivers soon wanted one as ...

5. Aircraft engine controls - Wikipedia

   en.wikipedia.org/wiki/Aircraft_engine_controls

   Most high-performance engines provide adjustable cowl flaps to manage this airflow and thereby maintain an appropriate CHT. Carburetor heat control - Controls the application of heat to the carburetor venturi area to remove or prevent the formation of ice in the throat of the carburetor as well as bypassing the air filter in case of impact icing.

6. Manifold vacuum - Wikipedia

   en.wikipedia.org/wiki/Manifold_vacuum

   Manifold vacuum, or engine vacuum in a petrol engine is the difference in air pressure between the engine's intake manifold and Earth's atmosphere. Manifold vacuum is an effect of a piston's movement on the induction stroke and the airflow through a throttle in the intake manifold of an engine. It is a measure of the amount of restriction of ...

7. Multi-valve - Wikipedia

   en.wikipedia.org/wiki/Multi-valve

   A cylinder head of a four valve Nissan VQ engine engine. A multi-valve or multivalve engine is one where each cylinder has more than two valves (an intake, and an exhaust).A multi-valve engine has better breathing, and with more smaller valves (having less mass in motion) may be able to operate at higher revolutions per minute (RPM) than a two-valve engine, delivering more power.