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Tech & Fab
Pcv negative pressure?
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<blockquote data-quote="al1tonyota" data-source="post: 608844" data-attributes="member: 927"><p>Lots of confusion it seems in this thread only way you are getting vacuum on the pcv to work right is after the throttle body the afm and pre tb only have vacuum when the throttle plate is opened, this is also the only time the pcv pulls vacuum (because of the drop in intake vacuum) If you put a catch can on the breather with a seperate air filter it won't get into the intake at all. The catch can will give somewhere for the oil to go but won't be able to leak out.</p></blockquote><p></p>
[QUOTE="al1tonyota, post: 608844, member: 927"] Lots of confusion it seems in this thread only way you are getting vacuum on the pcv to work right is after the throttle body the afm and pre tb only have vacuum when the throttle plate is opened, this is also the only time the pcv pulls vacuum (because of the drop in intake vacuum) If you put a catch can on the breather with a seperate air filter it won't get into the intake at all. The catch can will give somewhere for the oil to go but won't be able to leak out. [/QUOTE]
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