eCtune

alrighty, so I looked a little bit more into it and I guess in most applications, the most efficient plenum size is the volume of all 4 runners multiplied by 2.5 for a plenum enclosed ITB setup, would this mean the volume from the top of the trumpet to the surface of the head? Do I compensate for ga...

I'm designing a custom intake manifold and ran into a dead end. I plan on running individual throttle bodies encased in a plenum to run on a turbocharged application. I understand that the job of ITB's are to push in an equal and maximum amount of air into each cylinder, however how do I know what s...