3 port OCC pressure test

I made a 3 port OCC with -AN fittings and "AD Engineering" fittings in valve cover and decided to test pressure. I put fiiting in oil cap and ran vac line to gauge.


Here is my DIY 3 port OCC (see link)


http://www.boostaddict.com/showthrea...864#post622864













I blew in vac line to be sure it was working:







At Idle there was no pressure so went for drive and there was very little pressure at 12-15 psi: