Originally Posted by cams 98 silverado

i know some people say yey some say ney. oil catch can. i got first hand experience on seeing how much oil gets sucked through the pcv system and let me tell ya. i wish i took a pic of the intake innerds because right where the pcv system enters, in this intake was a wet puddle of oil/gas and blegh material. i blew out the pcv pipe... oily substance. im puttin a catch can in there and kicking out the pcv valve. heh. ill mail you mine its brand new i dont want it hahaha.