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.
Benefits & advantages of Winter tyres & snow tyres
With the poor winter driving conditions hitting the UK in 2010 many drivers are looking at winter tyres. Other countries are prepared for the snow and poor weather and are used to the concept of winter tyres.
So what are winter tyres, what do they do and are they a good idea?
Twin scroll turbosWe 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.
Turbo tuning – Aftermarket OEM turbos upgrade kit.
When it comes to Turbo tuning you have pretty much unlimited potential and a wide selection of options.
The more power you want from a turbo the greater the amount of heat it will generate and the bigger the stress on the internal components.












