This page will calculate lots of values for an engine configuration that you enter. This is useful for determinintter heads (better Volumetric Effiency), higher boost pressure and other factors have on horse power output. Values by default are for 6a13 2.5L V6 24V DOHC Engine.
8G Mitsubishi Legnum VR-4(ec5w) or Galant VR-4(ec5a). g the size of turbos, injectors, exhaust piping, intercooler piping, etc. It also gives you an idea of what affect be