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Principles of porting an engine and big valve conversions

The inlet and outlet ports on the engine block are usually larger than those of the manifolds that connect to them.

This allows for scope in the manufacturing process to allow for mismatched alignment.

Generally the engine ports are larger in the upstream flow direction avoiding turbulance but power gains can be made by matching these up. Read More...

Chip Tuning – better engine management.

The days of fiddling around in the engine bay with a spanner to make the car go faster are numbered.

Modern engine computers (ECU’s) take over many of the controls of all aspects of engine management from timing to fuelling and more.

This actually means you get better power, a cleaner burn and more reliable engine but it does not mean the end of tuning. Read More...

Superchargers – A guide to supercharger kits benefits vs disadvantages

Superchargers offer the promise of substantial power gains with very few drawbacks. So lets look at the growing popularity of supercharger kits and see what its all about.

A supercharger is quite simply an air compressor which helps push more air into an engine. These are driven by a belt from the engine effectively creating pull on the engine sapping up to 30% of the engines power. Read More...

Cryogenic engine treatments

When putting more power through an engine you need to ensure that every part will perform at its optimum.

One of the motorsports favourite techniques to improve the durability of an engine is a process know as cryogenic treatments.

As you can guess from the use of the word Cryo – it involves the cooling and heating of the engine block to temper the metal changing its structure. Read More...

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