05-10-2015, 02:04 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Quote:
Originally Posted by CHANMADD
The pcv system is a system on its own. The breather is the intake filter...pcv is the suction pump . The pcv must be large enough to allow sufficient airflow through the engine , without allowing the oil to bypass. If it persists you probably need rings....
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Quote:
Originally Posted by CHANMADD
I wonder if what I described as the pcv system was actually read by anyone!
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Correct up to a point.
Blowby at part throttle may only be 20-50% of the blowby at wide open throttle.
So if the "breather" being a filter, or a tube going the airfilter isn't large enough to handle the volume of blowby, then something usually gives.
Either the dipstick gets pushed out, oil leaks develop, or both.
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Gary
Gold Certified Holden Technician
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