PCV system

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(PCV valves for modified engines)
 
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Big cams with low idle vacuum throw can throw off a stock PCV valve, creating a lean idle. Normally at idle the PCV is in the low flow position. But if the PCV valve is open at idle (because of low idle manifold vacuum caused by a big cam), the idle gets lean and unstable and may suck too much oil along with too much air. This is akin to a big vacuum leak at idle because the PCV is open at idle instead of in the idle (low flow) position.
 
Big cams with low idle vacuum throw can throw off a stock PCV valve, creating a lean idle. Normally at idle the PCV is in the low flow position. But if the PCV valve is open at idle (because of low idle manifold vacuum caused by a big cam), the idle gets lean and unstable and may suck too much oil along with too much air. This is akin to a big vacuum leak at idle because the PCV is open at idle instead of in the idle (low flow) position.
  
PCV on a blown motor....
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===PCV on a turbocharged engine===
http://www.hotrodders.com/forum/correct-way-plumb-pcv-system-turbo-car-247049.html
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*Hotrodders forum post [http://www.hotrodders.com/forum/correct-way-plumb-pcv-system-turbo-car-247049.html The correct way to plumb a PCV system on a turbo car]
  
 
==PCV valve specs==
 
==PCV valve specs==

Latest revision as of 19:20, 13 October 2013

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