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...he least expensive (and also one of the least powerful) of which is the '''exhaust brake'''. ...onal to the back pressure of the engine. More advanced exhaust brakes have exhaust pressure modulation (EPM) that controls the back pressure which in turn imp

...valve|valves]] and part of the exhaust [[manifold (automotive engineering)|manifold]] are visible.]] ...]], for [[exhaust]] gases to travel from the exhaust valves to the exhaust manifold, and for [[antifreeze (coolant)]] to cool the head and engine.

...head]] that features the [[intake manifold|intake]] and [[exhaust manifold|exhaust]] ports on opposite sides. The gases can be thought to flow across the head ...hysical separation of the hot exhaust manifold keeps the air in the intake manifold cooler. Most modern engines are of a crossflow design.

[[Image:Tubo_Escape.jpg|thumb|right|210px|Exhaust pipe of a car]] ...des one or more exhaust pipes. Depending on the overall system design, the exhaust gas may flow through one or more of:-

...lease engine brake uses an extra lobe on the [[camshaft]] to open a second exhaust valve at the top of the compression stroke. The stem of this valve telescop ...sion release engine brake. Also, some engines use a butterfly valve in the exhaust and/or stator travel beyond the normal operating range on the variable-geom

...helicopters]]. Many NA engines today make use of [[Variable Length Intake Manifold]]s to harness [[Helmholtz resonance]], which has a mild forced induction ef * [[Manifold vacuum]]

# [[exhaust stroke]] ...from the cylinder past the then-open exhaust valve or valves, through the exhaust port.

...n camshafts, continuously variable valve timing system both for intake and exhaust ; Aspiration : variable geometry intake manifold

# [[exhaust stroke]] ...from the cylinder past the then-open exhaust valve or valves, through the exhaust port.

...inline-type engines both turbochargers could be mounted to a single turbo manifold. Parallel twin turbos are usually applied to V-shaped engines where one tur ...rger]]s, this system changes the angle of the guide vanes depending on the exhaust pressure giving the system excellent power throughout the rev range. Once u

...dy heavy use. It is sometimes possible to arrange the engine layout so the exhaust will be taken through a second set of similar chambers moved to the other s ...e|early 20th century Ford V-8]], which has both sets of valves (intake and exhaust) located on the inside of the "Vee," and which are all operated by a single

...the left bank intake valves, the left bank camshaft operates the left bank exhaust valves and the right bank intake valves. This is most similar to a [[DOHC] ...a free flowing 6 cm (2.5 in) catalytic converter, enlarged inlet manifold and larger throttle body.

...duce the [[air pollution]]-causing emissions produced by [[automobile]]s. Exhaust emissions control systems were first required on 1966 model year vehicles p ...ehicle's [[internal combustion engine|engine]], emitted from the vehicle's exhaust system. The major pollutants emitted include:

...sing the restriction in the path of the fuel/air mixture entering, and the exhaust gases leaving the cylinder. Using [[multi-valve|multiple valves]] per cylin ...her, less contorted intake and exhaust [[manifold (automotive engineering)|manifold]]s. This helps maintain the velocity of gases. Similarly, the ports in the

A kathereson '''turbocharger''' is an exhaust gas driven [[compressor]] used in [[internal-combustion engine]]s to increa ...[[turbine]] that powers the compressor using wasted [[energy]] from the [[exhaust]] gases. Compressor and turbine have the same shaft, similar to a [[Jet eng

...ylinder liners, a detachable cylinder head, and a single cast iron exhaust manifold. Much to the chagrin of Bugatti purists, the Type 73 used off-the-shelf he

...e made, including the use of a factory [[Manifold (automotive engineering)|exhaust header]].

...shrod engine.jpg|thumb|Picture of a [[V8]] [[engine block]] (with [[intake manifold]] removed), showing the camshaft, pushrods, and rockers.]] ...d's first production variable valve OHV engine with independent intake and exhaust phasing. The system is called [[CamInCam]], and was first used in the 600hp

...dy heavy use. It is sometimes possible to arrange the engine layout so the exhaust will be taken through a second set of similar chambers moved to the other s ...e|early 20th century Ford V-8]], which has both sets of valves (intake and exhaust) located on the inside of the "Vee," and which are all operated by a single

...dy heavy use. It is sometimes possible to arrange the engine layout so the exhaust will be taken through a second set of similar chambers moved to the other s ...e|early 20th century Ford V-8]], which has both sets of valves (intake and exhaust) located on the inside of the "Vee," and which are all operated by a single

...atural, with Variable Length Intake Manifold via butterfly valve in Intake Manifold<br> Intake Manifold: Carbon Fiber<br>

...was used everywhere, including the wheel, pistons, cylinder head, exhaust manifold and all pipes, tubes, handles, brackets, etc.. [[Drum brakes]] were fitted

A '''turbocharger''' is an exhaust gas driven [[compressor]] used in [[internal-combustion engine]]s to increa ...[[turbine]] that powers the compressor using wasted [[energy]] from the [[exhaust]] gases. Compressor and turbine have the same shaft, similar to a [[Jet eng

...ngine was so small that very little room was available for smooth [[intake manifold|intake tracts]]. The Ferraris were convinced that a freer-flowing intake c ...gain to 3586&nbsp;cc and 400&nbsp;hp (298 kW). Modifications to the intake/exhaust and an increased 11.2:1 compression ratio produced 425&nbsp;hp (317 kW) for

...ere's a new intake manifold, revised intake timing, a low counter-pressure exhaust silencer and re-positioned valve-springs, the transmission additionally com

...gines are criticized for poor [[fuel efficiency]] and [[emissions standard|exhaust emissions]]. ...d]]) without the need for a catalytic converter, thereby producing a clean exhaust at the cost of some extra fuel consumption.

...s needed to comply with increasingly-strict [[automobile emissions control|exhaust emission]] regulations of the 1970s and 1980s gradually eroded and then rev ...dern EFI systems meter fuel very precisely, and when used together with an Exhaust Gas [[Oxygen Sensor]] (EGO sensor), they are also very accurate. The advent

...cast iron head and the relocation of the spark plugs, intake manifold and exhaust improved mid-range performance. In addition, the [[wheelbase]] of the 6C 17

...uel droplets would fall out of the carburetor instead of into the [[intake manifold]]; it also lent itself to use of an oil bath [[air cleaner]], where a pool ...modern carburetors are required to do this while maintaining low rates of exhaust [[emissions]].

...ge-capacity truck V6, doubled, with four [[cam cover]]s and four [[exhaust manifold]]s. Its [[engine displacement]] was 702 in³ (11.5 L), and while [[Power (

...urbocharger]], adding or changing of an [[intercooler]], changing of the [[exhaust]] system, and conversion to run on [[alternative fuel]]. As a consequence o ...on the engine's RPM and the position of the gas pedal (or the [[MAP sensor|manifold air pressure]]). The engine tuner can adjust this by bringing up a [[spread

...vanced with increasing [[revolutions per minute]] (RPM) and/or increased [[manifold vacuum]], giving better efficiency. This system was used almost universally ...cle engine this means that one plug will be sparking during the end of the exhaust stroke while the other fires at the usual time, a so-called "[[wasted spark

...ke manifold]] and [[Manifold_%28automotive_engineering%29#Exhaust_manifold|exhaust headers]]. Crate engines are sealed at the intake manifold, [[cylinder head]], front cover, and oil pan with special twist off bolts.

...] (or Otto cycle)<br />1. intake<br />2. compression<br />3. power<br />4. exhaust]] ...st gas|vented]] (often by opening a [[poppet valve|valve]] or exposing the exhaust outlet) and this allows the piston to return to its previous position (Top

...o 45 mm and reducing back pressure by extending the portion of the exhaust manifold that used individual pipes n each side of the V format engine. This provide

...er and is dominated by an elliptical frame that surrounds the four central exhaust outlets, now becoming a characteristic Pagani element. ...ports car engines, the M158 displays the historic AMG emblem on the intake manifold alongside the name of the technician that assembled the engine by hand at t

...rior to starting. A small number use resistive grid heaters in the intake manifold to warm the inlet air until the engine reaches operating temperature. Engi ...ult, the fuel that is injected atomises easily and burns cleanly, reducing exhaust emissions and increasing efficiency.

...rogen emissions, and were fitted with AIR pumps that pumped fresh air into exhaust ports, aiding in further combustion of hydrocarbons. An activated charcoal ...ngine shutoff to blow exterior cool air onto the fuel injectors and intake manifold to aid in hot restarts. Early models were also prone to premature rusting

...ium price for its handling. The changes also included a cast iron exhaust manifold replacing the aluminium one, probably to partly balance the high and far ba