you must find out the needle clip setting, it should be on the middle clip position
the needle and pilot are still flowing fuel as the main kicks in, it's a sum of all jetting circuts at wide open throttle
I live in leechburg, it's about 45 minutes from there. Up the parkway out to monroeville, then about 20 minutes from there... I've never done a leakdown test, but it seems pretty straightforward. It's up to you... I could use the help, but that's a decent drive from Homestead/Duquesne. Just let me know.