yevgenievich
I'm Awesome
Maybe my completely stock set of cats and stock muffler is a restriction after all then...Oh gotcha. Basically if the airflow levels out or drops off and the MAP is steady the restriction is after the plenum. If the MAP drops it is before the plenum. A restriction after the plenum could be cam timing, cylinder head flow, intake port flow, intake port length or even exhaust restriction. My restriction is ahead of the throttle body. I pinpointed it by running speed density and removing intake parts until I found it.
Back to sticking pressure guages in to the exhaust pipe. Still Interested to see how your set up works. Would have bought one of those intakes if they were in stock back when I really needed one.