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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.

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?

Brake upgrade kits. 4 to 6 piston and larger vented disc conversions.

Uprating brakes is an essential modification. "There's always time for a brake!" Brakes – part of going fast requires that […]

Best Performance spark plugs, sports coils and HT leads

The best spark plugs & HT leads improve performance. "Lets spark up about engines" An efficient engine needs a good […]

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