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engine components

Pistons & connecting rod & cam

In 4-stroke internal combustion engines, which operate on the reciprocating principle, is the connecting rod carriers of kinetic energy between the piston and crankshaft. The connecting rod is connected by bearings movable with the piston and the crankshaft. The gas forces from the cylinder chamber transmitted from the piston on the connecting rod to the crankshaft.

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also one increases the pressure / force, which should at a combustion in the cylinder chamber is formed (eg by using a motorsports turbocharger), so in extreme performance increases the engine interior, to be adapted to this higher power transmission. In such extreme modifications SKN is then specially developed forged / hardened pistons, connecting rods and crankshafts. These components feature an extreme performance with reduced weight. Thus, the rotating masses are reduced and the same parallel.

Injectors (injectors) and fuel pumps

Tuned vehicles often have an increased fuel demand, which can no longer be covered by a standard high-pressure fuel pump or the standard injectors from a certain power. Our high-pressure fuel pumps have been specially developed for use in tuned racing and road vehicles. Along with more powerful injection elements they also in high performance areas for sufficient pressure and fuel.

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Will increased by tuning the engine capacity, subsequently forced ventilated naturally aspirated by supercharging or existing handlers replaced by their bigger brothers, so it can be notwenig, the more powerful components to replace the OEM series aggregates. It is, as with all conversions to maintain the right level and to find. Too big designed components can have an equally negative effect, such as undersized components.

oil cooler

The oil cooling is a special type of liquid cooling and is often used in internal combustion engines. Here, the oil (engine oil for example) serves both as a lubricant and as a coolant. The advantage of this is obvious, because the higher boiling point of oil enables direct cooling thermally highly stressed components such. As the piston.

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In older aggregates, the oil is mainly cooled in the oil pan. The cooling is carried out by mounted on the engine block fins (surface enlargement). Today, better efficiency and a greater cooling capacity is achieved by externally mounted oil cooler. These oil coolers reduce the oil temperature within one cycle by approximately 20 ° C - 30 ° C.

Of course, oil coolers often find their use in extreme tuned engines, converted to Turbo naturally aspirated or motorsport aggregates. SKN pleased to advise you in choosing the suitable for them oil cooler.

LLK Ladeluftkühler

The charge air cooler (LLK) serves as a heat exchanger, which is located in the intake tract of mainly charged engines (turbo or compressor motors). The LLK (engl. Intercooler) reduces the temperature of compressed fresh air which is supplied to the engine for combustion. He sits in the intake system between the compressor and intake valve. LLK dissipate much of the heat, the compressor is created by the compression of the air in the turbocharger /.

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Increases the compression of the air by for example changing the turbocharging pressure (chip tuning) and / or by a mixture enrichment (chip tuning), so the temperature of the compressed air rises supplied adequately. If, now a bigger / better LLK, which have a higher efficiency, eg through more surface, a higher thermal conductivity or the use of a better cooling medium (water) as the supplied air can be cooled down further. By reducing the temperature of the air supplied, in the same volume of air, a larger mass of air is contained, thereby proportionally more fuel to be burned. The charge air cooler thus increasing the potential power output and increases the efficiency by reducing the initial temperature.

but intercooler not only play strong / tuned engines and in motor sport is important, but also the downsizing of engines, as a modern intercooling enables more power on less fuel. In parts of the world exist in the very high temperatures is the LLK quasi indispensable because with increasing outside temperature also reduces the power of the engine. Only with appropriate LLK a healthy and efficient operation is possible.

SKN collaborates with renowned specialists and the leading producers (eg Wagner, Forge, IMSA) for LLK, to offer the perfect solution in this segment each customer can.

ProductSlider LLK follow shortly

Pop Off Ventile & Wastegate

By the term "Blow Off Valve" is called a push-recirculation valve or drain valve in a car engine. The English term is often used synonymously with the German terms drain or blow-off valve, air valve or diverter valve. There are also the English designations Blow Off Valve or designations often wrongly used Pop Off Valve. Blow Off valves are controlled in principle by compressed air. Without pressure, the valve closes.

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Blow Off valves in use

used a Blow Off Valve, because in petrol or diesel engines, the frictional resistance of the compressed air is too large at closed throttle and has a braking effect. The increasing friction of the compressed air could destroy the so-called turbocharger. With conventional bypass valves of the boost pressure is irregular after changing gears.

Blow Off Ventile: State Of The Art

The Blow Off Valve can from the air column built up and reduces friction and friction-induced overheating. If the motor draws no warm air, it is more efficient. The vehicle speaks after completed switching curtain better to the pressure on the accelerator pedal. Almost all engines with turbochargers have today a Blow Off air valve. But it can also be retrofitted.

Blow Off valves and their functioning

The Blow Off the drain valve function is to let escape during driving operation resulting compressed air. This is ensured by two types of valve substantially. The air valve can operate both a piston and a membrane. The piston-operated valve is considered better, but is prone to errors by its technology. The membrane of the cheapest diaphragm valves is susceptible to cracks.

From Blow Off valves exist verscheiden species

In addition to these two classical Blow Off valves is still an electronically controlled valve is known which is not operated by the compressed air. Here opens and closes a control device or an electrical circuit, the valve as required. Makes the difference is not the pressure of the circulating air. The typical hissing sound that is known of buses and trucks, indicates that the valve is operated.

Sperrdifferenzial / Differenzialsperre

The locking differential manages the drive torque from the slipping wheel to a wheel with better traction / liability order, thus improving the propulsion and the grip. A locked axis runs better straight than an unlocked axis and thus stabilizes the vehicle. for example, for this reason, reducing the effect of wind gusts or crosswinds on the stability of the vehicle.

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In addition to a higher cornering speed the vehicle understeer much less, making it easier to control in border areas.

Locking differentials can be adapted to different requirements and conditions. A distinction locking differentials with high or low barrier effect. A locking differential with high barrier will cause the hops a vehicle with a small turning radius quasi over the front axle.

SKN Technology Partner

  • Bilstein 122x
  • HJS 122x
  • Pipercross 122x
  • AEZ 122x
  • Pro alloy122x
  • Alutec 122x
  • ATS 122x
  • Capristo 122x
  • Bull x 122x
  • Koni 122x
  • ArtForm 122x
  • Akrapovic 122x
  • Forge Motorsport 122x
  • ASA wheels 122x
  • Borbet 122x
  • K & N 122x
  • Milltek Sport 122x
  • Sachs 122x
  • KW suspension 122x
  • H & R 122x
  • Eibach 122x
  • IPE 122x
  • Fox 122x
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  • Öhlins 122x
  • BMC 122x
  • Brock 122x
  • BBS 122x
  • Autec 122x
  • Advanti 122x
  • Milltek Classic 122x
  • Wagner tuning 122x

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