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New Edge Cobras
catch can or pcv pre-filter?
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<blockquote data-quote="Silver03Termi" data-source="post: 11112568" data-attributes="member: 84674"><p>this guy is right. The test is simple, and listed below.</p><p></p><p></p><p></p><p>Sorry partner, you're a little off. Yes the vacuum helps pull the air out of the head, on both sides. The check valve is in place because the line coming out of the bottom of lower manifold sees boost. The "idea" of the check valve is to keep the blower from pressurizing the head. Those check valves fail, and they allow air to pass both ways, even out of the box. Buy a new one if you doubt me. If you pull the the elbow off of both sides, you can feel the air being pushed out of the head, even at idle. The vacuum is only part of the equation. Blow by, like stated previously, is a big factor.</p><p></p><p>Pull your blower off and I bet you will find a little bit of oil in the elbow. If you are so sure about the way the system flows, let me send you a check valve with a cracking pressure<1psi to put in. Watch what happens.</p></blockquote><p></p>
[QUOTE="Silver03Termi, post: 11112568, member: 84674"] this guy is right. The test is simple, and listed below. Sorry partner, you're a little off. Yes the vacuum helps pull the air out of the head, on both sides. The check valve is in place because the line coming out of the bottom of lower manifold sees boost. The "idea" of the check valve is to keep the blower from pressurizing the head. Those check valves fail, and they allow air to pass both ways, even out of the box. Buy a new one if you doubt me. If you pull the the elbow off of both sides, you can feel the air being pushed out of the head, even at idle. The vacuum is only part of the equation. Blow by, like stated previously, is a big factor. Pull your blower off and I bet you will find a little bit of oil in the elbow. If you are so sure about the way the system flows, let me send you a check valve with a cracking pressure<1psi to put in. Watch what happens. [/QUOTE]
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catch can or pcv pre-filter?
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