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SVTPerformance's Chain of Restaurants
The Blower Bistro
Question about PCV
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<blockquote data-quote="Wicked" data-source="post: 2201911" data-attributes="member: 13991"><p>Thats where it gets even more complicated. </p><p></p><p>1) My valve. At least similar to this. I got this free from work. A point to note is the valve must be tuned. If it is not tuned for each specific application it will not work correctly. My valve is only open about 1/2 turn to operate at the level I need.</p><p><a href="http://www.swagelok.com/PRODUCTDETAILS.asp?PartNumber=SS%2DOVM2%2DS2&Price=&Picture=SS%2D1RM4%2DS4%2Ejpg%26CTSCKey%3D58" target="_blank">http://www.swagelok.com/PRODUCTDETAILS.asp?PartNumber=SS-OVM2-S2&Price=&Picture=SS-1RM4-S4.jpg&CTSCKey=58</a></p><p></p><p>2) The check valve for the passenger side. I used a check valve from the vacuum brake booster of a Honda Odyssey(freebie!). Your check valve may be different as long as it open at low pressure and seals completely. You will also want something compatible with petroleum/gasoline since you don't want it to break down when it is exposed to gas/oil vapors. Notice the bulge in my pass. side hose, thats the check valve. It allows flow out of the pass. side cover but not into. The check valves purpose is, in the event of long WOT time, the crankcase may start to pressurize and the breather/check vlave allows the pressure to escape. </p><p></p><p>Other than that I used a normal breather from the ricer section at Autozone, stock PCV, and miscellaneous hose and clamps. </p><p></p><p>The hardest thing about this setup was tuning it such that the vacuum level was just below the point where the motor starts "singing" after you shut it down. The singing as I call it is the vacuum sucking air past engine seals, probably not a good thing. Tune such that the vacuum level is just below that point. The way I have mine, if I shut the car off and loosen the oil cap, you can hear the vacuum escaping. The maximum vacuum at idle is about 4-6 inches of mercury.</p></blockquote><p></p>
[QUOTE="Wicked, post: 2201911, member: 13991"] Thats where it gets even more complicated. 1) My valve. At least similar to this. I got this free from work. A point to note is the valve must be tuned. If it is not tuned for each specific application it will not work correctly. My valve is only open about 1/2 turn to operate at the level I need. [url]http://www.swagelok.com/PRODUCTDETAILS.asp?PartNumber=SS%2DOVM2%2DS2&Price=&Picture=SS%2D1RM4%2DS4%2Ejpg%26CTSCKey%3D58[/url] 2) The check valve for the passenger side. I used a check valve from the vacuum brake booster of a Honda Odyssey(freebie!). Your check valve may be different as long as it open at low pressure and seals completely. You will also want something compatible with petroleum/gasoline since you don't want it to break down when it is exposed to gas/oil vapors. Notice the bulge in my pass. side hose, thats the check valve. It allows flow out of the pass. side cover but not into. The check valves purpose is, in the event of long WOT time, the crankcase may start to pressurize and the breather/check vlave allows the pressure to escape. Other than that I used a normal breather from the ricer section at Autozone, stock PCV, and miscellaneous hose and clamps. The hardest thing about this setup was tuning it such that the vacuum level was just below the point where the motor starts "singing" after you shut it down. The singing as I call it is the vacuum sucking air past engine seals, probably not a good thing. Tune such that the vacuum level is just below that point. The way I have mine, if I shut the car off and loosen the oil cap, you can hear the vacuum escaping. The maximum vacuum at idle is about 4-6 inches of mercury. [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Blower Bistro
Question about PCV
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