Yes extensively - I esp like the one where my setup (introducing head work into the equation) so amazingly overwhelmed the others (the link is down, perhaps he will repost it here?). In fact most of the posts on this topic (manifold flow) are linked in my writeup on the topic in my sig.
Perhaps someday kauh could swap coatetd MSP manifolds in on his car and dyno to help figure this out.
m a g l i t o fuel problems caused by boost leaks - dual fuel pumps still coming someday - currently checking into other problems and new paint is on sig photo by me effects by ZXRider(SoCal) The build up begins - progress - reassembly part one - part two