Tuning forced induction engines

Superchargers, turbos, remote turbos.

One of the best performance gains to be had is through forced induction. Adding forced induction to a NASP engine is one of the biggest power hikes you can have for the money.

We also look at the options for tuning up supercharged engines including the turbocharger and remote turbos.

Twin scroll turbos

We look at the advantages of twin scroll turbos, discuss how they work and how to set them up. People have used twin turbos in the past to address many of the problems you hit with a single turbo and the twin scroll turbo offers a neat drop in upgrade and provides many advantages.

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How to add a turbo to a non turbo car.

The basic reason for forced induction (turbo or supercharger) is not to increase compression or the maximum pressure in an engine cylinder, it is to increase volumetric efficiency (the efficiency of the engine at drawing in air) although forced induction is the most effective method of upping compression.

In computer games we just tick a box, and within seconds our car is fully turbocharged and running much faster. In the real world things are very different.

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Wastegate and Blow off valves

We look at wastegates vs Bovs and explain the differences between them. Find out where the wastegate and bov goes and what they do in our informative article. We find that many people are confused by the two devices and see the terms wrongly used.

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Anti lag systems

We look at Anti lag systems in cars and how these keep the turbo spinning ready to provide boost from low RPM speeds. When you lift off the throttle the engine power cuts and the turbo starts to spool down.

From this low spool state there is a delay while the turbo spins up again before it can provide any useful boost. We discuss the advantages and disadvantages of ALS and look at alternative options.

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