Thread resurection... :wavy

I just wanted to ask for a bit of explination about somthing that i read. It was something like... "full vaccum at maximum valve lift" or something like that. I know what exhaust scaveging(sp) is and i'm thinking its something like that. but...just thought i'd as cause i'd like to know what your talking about... what it is.

And is it related to JUST having equal length headers/manifold runners...or equal length runners that are the proper length for the engine size, comp ratio, etc...just wondering...could be both. idk


I love my car...
I love Horsepower...
I love reliability...
So why do i own a DSM again?