
Fitting a strut brace and performance benefits "Strut your funky stuff" Think of a car like a shoebox with no […]
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.
Flywheel lightening & performance gains from lighter flywheels
Flywheel lightening and its impact on engine performance. "No Fly(wheels) on us." Lightening the flywheel – the flywheel works […]
Comparison of Turbo’s and superchargers
Both work on the same principle they blow air into the engine under pressure. Both have a turbine which spins up depending on the engine speed and the higher the revs the greater the volume of air is forced into the engine. But there are some major differences between the two and which is best for your project?
Todays featured car modification articles

Fuel Octane Ratings
Fuel octane ratings RON, MON, AKI RdON and PON explanation and compared. More...