PCV system
From Crankshaft Coalition Wiki
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==PCV valves for modified engines== | ==PCV valves for modified engines== | ||
| − | 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. |
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| + | ===PCV on a turbocharged engine=== | ||
| + | *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== | ||
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