Not Ranked
Edelbrocks out of the box are 170cc.
That is the port volume of an intake port. When you port a head, it's sometimes necessary to significantly increase the port volume, just to increase flow. You are enlarging the cross sectional area. However, you can get to a point where the port volume is so big that the air/fuel charge will have velocity issues. The best scenario is a high flowing port with a smallish port volume. That will prove to be a highly efficient port.
Of course there is a balance to everything...
I'm suspect that some of the guys want that data for their engine sims. It proves to be fruitless for an engine sim though, because the intake manifold essentially makes up a portion of the intake port volume on an FE.
|