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.
Tyres and tread patterns for High performance cars
Performance tyres, selection and tyre tread patterns. "If you're feeling tyred!" The importance of your cars tires should never be overlooked. A […]
Building a 10 second car
We look at what it takes to build a 10 second car and examine the power and weight requirements to reach the sub 11 second goal on the drag strip.
Follow our tips and you can make a 10 second car quite cheaply and within your budget with some power mods and serious weight reduction.
Big valve kits – larger intake valves.
The heads primary job is the mixing of fuel and air and delivering this to the combustion chamber.
Any turbulence or drag can restrict the air flow into the engine starving you of power. So this TorqueCars article will focus on the intake valves and how they can be improved.
The aim of head tuning is both to maximise the amount of air and fuel that gets into the engine, and to improve the mixture.














