ok i have devloped an oil leak not bad but there at first i thought it was because my valve cover gaskets wherent totaly sealed since i noticed it after i adjusted my valves but when i crawled under the truck the otehr day i found it coming from the blow by tube so now im wonder what could casue this and how do i make it go away i don't like it when my baby is leaking anything i have no ideas on this so any help in solving this would be great thanks in advanced matt