ok here's the deal! i bought a downs ford intake manifold and i noticed that there's no pcv in the back of the manifold. my question is what do i use for crankshaft ventilation. and also, i have a oil breather cap be enough? 
ls1killa
You can route the pcv hose to any of the vacumn ports on the intake. Im assuming this is the box uppper, other wise i am not familiar with any of the other intake that downs offers. Also the hose from the oil filler neck to the tb vents crankcase pressure as well. Dave.
I have that intake too and mine has three threaded holes in the back of it for various vacuum fittings. I bought it used and it came to me like that but you may have to drill and tap what you need. Hope this helps.
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