I believe I figured this out with the aid of another member who use to visit RJ..I run a 1 inch spacer with a vac line for my pcv..I am going to install a header evac system soon..
I plugged the vac line to the spacer and pulled my pcv valve for time trials last week..First pass beat my personal best et ever..I waited for some cool night air..Beat that personal best as well..
Car 60'd better and all across the board and gained 1 1/2 mphrs..I believe that hot crankcase vapor being pulled in through the spacer vacum port was defeating the purpose of the air gap ect..I did not touch a thing from my last visit to the track other than the pcv and spacer vac port.
Thanks