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...of time that the knocking effect occurs. It is caused by an instantaneous ignition of the remaining fuel/air mixture in the form of an explosion. The cylinder * Reduction of in-cylinder temperatures (such as through cooling or [[compression ratio]] reduction).

...System || Magneti Marelli IAW Multipoint phased sequential fuel injection Ignition |Ignition System || Magneti Marelli IAW electronic digital ignition with inductive spark

*Compression Ratio -- 10.3:1 *Ignition / Starting -- Marelli electronic / electric

...ternal combustion engine]] to dissipate energy and slow down a vehicle. '''Compression braking''' is a common legal term for the same mechanism. Large trucks use ...nd have no [[spark plug]]s and use energy transferred to air charge during compression to directly ignite the mixture when the fuel is injected.

*[[dHCCI]]: [[Diesel homogeneous charge compression ignition]] *[[gHCCI]]: [[Gasoline homogeneous charge compression ignition]]

...al petrol (gasoline) engines, by contrast, require an ignition system. The ignition system is usually switched on/off through a lock switch, operated with a ke ...ontrolled manner. This type of arrangement was quickly superseded by spark ignition, a system which is generally used to this day, albeit with sparks generated

# [[compression stroke]] # [[power stroke|power (ignition) stroke]]

# [[compression stroke]] # [[power stroke|power (ignition) stroke]]

# [[compression stroke]] ...alve|valve]] (or valves) then close(s), and the following upward stroke (''compression'') compresses the fuel-air mixture.

...dromic valve|Desmo]] [[V-twin|L-Twin]]<br>Bore/stroke 92 x 68&nbsp;mm<br>[[compression ratio]] 9.2:1 ...Digiplex ignition was used in early models, and then replaced by a Kokusan ignition.

The '''compression ratio''' of an [[internal-combustion engine]] or [[external combustion engi ...proportionally described as 1000:100, or with fractional reduction, a 10:1 compression ratio.

*'''Compression Ratio''': 12.5 ± 0.5:1 *'''Ignition''': Electronic CDI ignition

...ed, mixture, carburetor balance, spark plug and distributor point gaps and ignition timing were both regular tasks on all engines and the final but essential s ...with pistons of shorter [[compression height]], to maintain the original [[compression ratio]]), or both.

...luded: 123.6cc (54x54mm), 13:1 compression ratio, 34mm Bing carb, Motoplat ignition, [[Marzocchi]] suspension, 170mm [[Fontana]] front brake and was capable of

* Ignition and electrical equipment: coil and [[spinterogeno | distributor switch]] ba * Compression ratio: 9,3:1

...th [[dual overhead camshaft]]s pushing 2 valves per cylinder and twin-plug ignition. ...p]] in 1953 and the [[Ferrari Monza#500 Mondial|500 Mondial]]. With lower compression and two Weber 45DCOA3 carbs, it produced 170&nbsp;hp (127&nbsp;kW). The sa

...dard fit in North America on "Large [[spark plug|Spark]] [[ignition system|Ignition]]" engines. LSI engines are used in [[forklift]]s, aerial boom lifts, ice r ...stroke engine under the ambient temperature and pressure after charge air ignition, and condenses on the cooler catalytic converter core surface. In particula

Compression Ratio: Ignition:

...of the piston) instead of four, although the same four operations (intake, compression, power, exhaust) still occur. Thus, there is a power stroke per piston for ...a [[spark plug]] to ignite the fuel. Diesels rely on the heat of very high compression to ignite the fuel. Fuel is sprayed into the hot compressed air and ignites

...ented mediocre horsepower ratings. Where that was an issue, a mechanical [[compression release]] was used. The intake valve Easy-Spin had continued to be used on ...]], [[1963]]. However, its rival Tecumseh had made a [[capacitor discharge ignition]] setup since [[1968]], for their [[cast iron]] engine models, expanding it

* [[Compression ratio]]: 8,4:1 * Ignition and electrical equipment: [[reel]] and [[spinterogeno | distributor switch]

...e water pumps in the [[17th century]]. In 1794, [[Robert Street]] built a compression-less engine whose principle of operation would dominate for nearly a centur ...sel engine]]s and [[HCCI]] engines) rely on the heat created in the air by compression in the engine's cylinders to ignite the fuel.

...ine cycle. More advanced ECUs found on most modern cars also control the [[ignition timing]], [[Variable Valve Timing]] (VVT), the level of boost maintained by ECUs determine the quantity of fuel, ignition timing and other parameters by monitoring the engine through sensors. These

|Compression || 11.5:1 |Ignition || Electronic

...a, but was initially unreliable. Dual spark plugs were used, and the final ignition system used four coils, two on each side of the frame. In 1971 race results were spoilt by a run of gearbox and ignition problems. Phil Read's second to Agostini in the San Remo Grand Prix, and a

* Compression ratio: 9:1 * Ignition and electrical equipment: coil and [[spinterogeno | distributor switch]] on

* [[Compression Ratio]]: 9.2 : 1 * Ignition: Magnito

There are two main types of supercharger defined according to the method of compression. Positive displacement and dynamic compressors. ...placement pumps are further divided into internal compression and external compression types.)

...andini 1000 turbo uses indirect injection pump with mechanical, electronic ignition, a distribution chain with two trees to cammes on roller bearings that vert * Compression ratio: 7,11:1

...ess fresh air than the system’s boost pressure prescribes. The risk of pre-ignition or "knock" in [[internal combustion]] engines greatly increases. These dra ...gen. Further, it increases an engine's dynamic [[compression ratio]]. As compression ratio increases, so does the [[Engine knocking|threat of knock]] and theref

* [[Compression Ratio]]: 11 : 1 * Ignition: Coil

...the use of modifications and adjustments "pushes" as an increase in the [[compression ratio]] or the use of [[Biella (mechanical) | rods]] alloy. * Compression ratio: 11.2:1

...rburetor]] Vertical Launch two stages, preheated water radiator ), Magneto ignition high-voltage ([[Robert Bosch GmbH|Bosch]]) with the advance value manually

* Initially with a 1987&nbsp;cc capacity (long stroke, 72.6x80 mm, with a compression ratio of 13.5 :1) delivering 160hp, in 1951 and 1952 ...ity (short stroke 75x75 mm, with a compression ratio of 13.5 :1, with twin ignition) delivering 180hp, in late 1952

...ken wrist, or worse. Moreover, as engines evolved, they became larger and compression ratios increased, making hand cranking an increasingly difficult matter.

...ed center electrode which is connected by a heavily insulated wire to an [[ignition coil]] or [[magneto]] circuit on the outside, forming, with a grounded term for an ignition timing system], [[1898]]), Richard Simms (GB 24859/1898, 1898), and Robert

* Compression ratio: 9,4:1 * Ignition and electrical equipment: coil and [[spinterogeno | distributor switch]] on

[[Image:Four stroke cycle compression.jpg|thumb|An illustration of several key components in a typical [[four-str ...) chamber around an eccentric shaft. The four phases of operation (intake, compression, power, exhaust) take place in separate locations, instead of one single lo

...ted from the cam) with [[carburetor]] vertical monocorpo Lancia 2 nozzles, ignition [[magnet]] high-voltage ([[Bosch]]) with the advance value manually adjusta

|Compression || 9.7:1 |Ignition || Battery/Coil

...mmon [[four-stroke cycle]] by completing the same four operations (intake, compression, power, exhaust) in only two strokes (linear movements of the piston) rathe ...]] to ignite the fuel. Diesels rely on the heat generated by the very high compression to ignite the fuel. Fuel is sprayed into the hot compressed air and ignites

* Compression ratio: 9,5:1 * Ignition and electrical equipment: coil and [[spinterogeno | distributor switch]] on

...a race-only exhaust system, a slip-on muffler, and complimentary fuel and ignition mapping in a "race ECU". It also included enough sponsor stickers to fill b *Compression Ratio: 13.5:1

*'''Compression Ratio:''' 11.4:1 *'''Ignition / Starting:''' Marelli electronic / electric

...|framed|right|[[Four-stroke cycle]] (or Otto cycle)<br />1. intake<br />2. compression<br />3. power<br />4. exhaust]] ...e of [[Physical compression|compression]] and in particular of in-cylinder compression.

...nce via updated camshafts, variable geometry intake manifold, an increased compression ratio of 10.5:1, and updated emissions equipment. Power increased to 174&nb ...tem features an air mass sensor, dual knock sensors for cylinder-selective ignition knock regulation, and Lambda regulation. Exhaust gases are channeled throug

* Compression ratio: 9:1 * Ignition and electrical equipment: coil and [[spinterogeno | distributor switch]] on

* Compression ratio: 9:1 * Ignition and electrical equipment: coil and [[spinterogeno | distributor switch]] on

* Compression ratio: 9,5:1 * Ignition and electrical equipment: coil and [[spinterogeno | distributor switch]] on

...ing [[oxygen]] (usually atmospheric air), rather than a separate source of ignition [[energy]] (such as a [[spark plug]]), as is the case in the [[gasoline eng ...of an [[intercooler|aftercooler/intercooler]] to cool the intake air after compression by the turbocharger further increases efficiency.

...•ft) @ 10,000 rpm, 46 mm sequential timed electronic multipoint injection, compression ratio 13:1 ...al valves, electronic multipoint injection, induction discharge electronic ignition and following capacity variants: 749.5, 998 and 1,078 cc. The engine was de

...into the cylinder until the inlet slots are closed by the piston. Now the compression stroke starts and the cycle repeats. This type of two cycle system was a si

* Compression ratio: 9,5:1 * Ignition and electrical equipment: coil and [[spinterogeno | distributor switch]] on

**'''Compression Ratio''': 12 ± 0.5:1 **'''Ignition''': Electronic, capacitor discharge

...(rated at 65 bhp), an engine shut-off system (when idling) and electronic ignition.

* Compression ratio: 7,8:1 * Ignition and electrical equipment: coil and [[spinterogeno | distributor switch]] on

...steam engine]]), or heated inside the cylinder either by [[ignition system|ignition]] of a fuel air mixture ([[internal combustion engine]]) or by contact with The [[compression ratio]] is a measure of the performance in an internal-combustion engine or

| Ignition system | Compression ratio

...Weber 42 DCNF downdraught carbs and electronic [[Robert Bosch GmbH|Bosch]] ignition, the Bora could boast 310 bhp at 6000&nbsp;rpm. Great attention was paid to ...ing been stroked from 85 to 89&nbsp;mm, this resulting in a 4930 cc. With compression set at 8.75:1, output was 10 bhp up on the 4.7 with 320 (330 Europe)&nbsp;b

...e, operated by pushrods, rockers, screw-type adjusters, 1064cc, 92 x 80mm, Compression ratio: 9.5:1, Weber fuel injection with 2 40mm throttle bodies, Lubrication ...OHV with 2 valves per cylinder; Fuel Delivery: Electronic Fuel Injection; Ignition: Digital Electronic; Transmission: 5 speed with shaft; Clutch: 2 dry Disks;

Compression: 11.3:1<br> ECU: Bosch Motronic 2.7 (controls the fuel feed, ignition timing, and variable length intake and exhaust systems)<br>

...can be overcome. This is because higher-octane fuels allow for a higher [[compression ratio]] - this means less space in a cylinder on its combustion stroke, hen ...d adoption of the practice in the [[1920s]] and hence more powerful higher compression engines. The most popular additive was [[tetra-ethyl lead]]. However, with

* [[Compression ratio]]: 9.8:1 * Ignition and electrical equipment: coil and [[distributor switch]] on base, battery

* Ignition and electrical equipment: coil and [[spinterogeno | distributor switch]] on * Compression ratio: 9,4:1

...d to the use of a more powerful supercharger and a small increase in the [[compression ratio]]. Following customary Maserati practice, the engine was mounted into ...nd balanced rods, a more powerful pair of superchargers and changes to the ignition timing took engine output up to 280bhp. Coupled to shedding 10kg from the c

| Ignition: | [[Ohlins]] rear shock absorber, adjuster for pre-load, compression and rebound damping

...a, but was initially unreliable. Dual spark plugs were used, and the final ignition system used four coils, two on each side of the frame. In 1971 race results were spoilt by a run of gearbox and ignition problems. Phil Read's second to Agostini in the San Remo Grand Prix, and a

...d to the use of a more powerful supercharger and a small increase in the [[compression ratio]]. Following customary Maserati practice, the engine was mounted into ...nd balanced rods, a more powerful pair of superchargers and changes to the ignition timing took engine output up to 280bhp. Coupled to shedding 10kg from the c

...tion, primary drive gear, multi-disc clutch and four-speed gearbox. With a compression ratio of 11:1, power was around 12 bhp at 10,000 rpm. The frame, except for ...ed cooling system, water for the cylinders and air to the cylinder head, a compression ratio of 11.5:1 and a power output of 48 bhp at 11,500 rpm. The 250 had a f

...0 degrees from vertical, gear primary drive, wet-sump lubrication, battery ignition and camshaft drive by vertical shaft and bevel gears. This bike came to dom ...onza. There was also the Monza Super, a further improved version with high-compression piston, modified camshaft, a slightly larger SS1 Dell'Orto racing carburett

...ed regulation system known also as an [[Accelerator (car)|accelerator]], [[ignition]] using sparks from a [[car battery|battery]], the [[spark plug]], the [[cl ...he world's attention. Key developments included electric [[ignition system|ignition]] and the electric self-starter (both by [[Charles Kettering]], for the [[C

...ll further engines, and the four-seat "second Marcus car" of 1888/89. This ignition, in conjunction with the "rotating-brush carburettor", made the second car' ...he world's attention. Key developments included electric [[ignition system|ignition]] (by [[Robert Bosch]], 1903), independent suspension, and four-wheel brake

...ite's four, a factor which caused problems with cylinder head sealing when compression and engine speeds were raised in pursuit of power. Considering that by the ...aft with external [[flywheel]], an [[Asso]] [[piston]] delivering 11.1:1 [[compression]] and a revised [[camshaft]] and rocker arm design. A [[Carrillo]] rod is a

...d Drive models and was also used on the [[Lancia Gamma|Gamma]]. Electronic ignition became available in 1978. [[Automatic transmission]] became available the s ...with a [[Roots-type supercharger]] fitted between the carburettor and low-compression two-litre engine; the Coupé VX and HPE VX followed soon after. These three

...ombustion chamber]]s being reduced in size, increasing [[compression ratio|compression]] and improving performance. The bodywork retained the characteristically B ...'''1300''']] with 16 valves, mechanical [[fuel injection]], and electronic ignition; after chassis, engines and flying, now also looking alloy wheels are facts

...of 72 mm and 84 mm respectively, running at a compression ratio of 10.8:1. Ignition is by Fiat's Jet Thrust Stochiometric system with sequential multi-point fu