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De-FAP or de-CAT, what happens when you remove them?

De-FAP or de-CAT, what happens when you remove them?

11 / April 2022
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Seletron Performance

The engine seems to have "emptied out" at the bottom end (loss of torque at lower rpm) while gaining in high-rpm stretch (more maximum power or at least more speed in revving up). In practice, there is often a gain at the top of the rev counter but at the expense of the engine's elasticity and thrust at lower revs.
Increase the power of the Alfa Stelvio 2.0 200hp

Increase the power of the Alfa Stelvio 2.0 200hp

06 / April 2022
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Seletron Performance

First, let's see how the Stelvio 2.0 turbo 200hp runs in stock conditions. The engine is an Alfa Romeo 2-liter with a 16-valve cylinder head, turbocharger, and intercooler. The power is not very high for such an engine and is expressed at about 4500 rpm, while the maximum torque is not bad and is expressed at 1750 rpm with a force of 330Nm.
Remove turbo lag with electric turbo from Mercedes

Remove turbo lag with electric turbo from Mercedes

06 / April 2022
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Seletron Performance

Electric turbochargers (in this case, we are talking about a Garrett model produced for Mercedes) are devices that incorporate an exhaust-gas turbine (with associated electronically-controlled waste-gate management), a central core (with associated lubrication and cooling system), a centrifugal compressor (with respective electronically controlled by-pass system), and a novel and unknown component on normal turbochargers: an electric motor powere
How Turbocompound works

How Turbocompound works

04 / April 2022
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Seletron Performance

In vehicles that use the turbocompound system, before the exhaust gases reach the first part of the exhaust system, they are routed to a second turbine. This turbine is mechanically connected to a set of gears whose purpose is to demultiply the turbine's rotational speed and multiply its torque.
How Inline diesel injection pumps works

How Inline diesel injection pumps works

04 / April 2022
views (43600)

Seletron Performance

This is a type of injection pump that is very suitable for modularity. This means that the pump has a part in which the drive shaft with its minimum-maximum regulator and the centrifugal advance regulator is fitted. After that, the various pumping units can be 3, 4, 5, 6, etc., meaning these pumps are easily adapted to architectures suitable for engines with variable (and many) cylinders.
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