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Old Oct 23, 2004 | 04:55 PM
  #1  
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Blowback

What Causes Blowback So Bad It Blows Oil Out Of Valvecover Breather?
 
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Old Oct 23, 2004 | 05:41 PM
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Blow bye is caused by piston compession getting into the crankcase, bad rings, broken rings, hole in piston, cracked head, cracked block and the list goes on.

Denny
 
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Old Oct 23, 2004 | 06:04 PM
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A bad Positive Crankcase Ventilation Valve (PCV) can do it too. As can too much oil.

Which engine are we talking about here?
 
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Old Oct 29, 2004 | 06:49 PM
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Blowback/blowby

300 Straight 6, Rebuilt Less Than 10000 Miles Ago, Just Started This, Hasn't Been Run Hot, Started Valve Tapping Noise Looses Oil Preasure At Idle After Warm But Never Shows Hot On Gauge
 
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