Subject	I don't see it possible.
Posted by	sparkie on November 20, 2001 at 2:20 PM
	This message has been viewed 28 times.
In Reply To	ya, but not instantaneously. they may suck in for like 0.01 posted by Bernie on November 20, 2001 at 12:53 PM
Message	Lets say a BOV spring/adjustment can hold 20psi of boost before bleeding off. When the throttle body butterfly closes, pressure raises, the air forces the BOV open. BOV closes when the spring force is greater than the force air pushes. I don't know at what point BOV closes, I'd guess if the spring can hold 20psi under boosting, it probably closes just after pressure in the pipes drops below that. I cant imagine the pressure in the pipe is lower than atmosphere pressure to suck in air. Remember this is all done when TB is close. So the motor itself doesn't suck in air. ICQ # 14337317
Follow Ups	Is it possible for BOV to suck unfiltered air in? - MikeH(Phoenix) 12:30:05 11/20/01 spring closes them after boost pressure release (n/m) - TARGETZ 12:32:36 11/20/01 ya, but not instantaneously. they may suck in for like 0.01 - Bernie 12:53:26 11/20/01 How much air do you suck in 0.01 microseconds... - TARGETZ 14:01:27 11/20/01 sure, in a perfect world. :) what if at that exact instant - Bernie 19:04:05 11/20/01 I don't see it possible. - sparkie 14:20:06 11/20/01 your concept of how the BOV works is slightly skewed... - Bernie 19:24:21 11/20/01 filters?which manufactuers? for what applications?. - AntiHero[seatbelts rock] 20:25:13 11/20/01 Blitz makes a filter for their BOV (n/m) - Bernie 22:02:52 11/20/01 Oops, busted. Thank you for correcting me. :) - sparkie 09:22:44 11/21/01 BOV's do not suck air, they close when boost still positive (n/m) - Technomancer 16:40:50 11/20/01
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