krank vent
06-11-2007, 08:58 PM
#21
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Originally Posted by fperra,Jun 11 2007, 09:58 PM
Wrong, wrong, wrong. The front KV remains closed at all times when not boosting - idle to 0 psi. This is why a vacuum is created. If you see smoke and/or oil coming out of the front KV, it has failed. The only time it should open is when under boost and blow-by gasses pressurise the crankcase.
So basically the front breather is doing squat.
They said to me that if i'm able to blow on one side but not the other, then they are good which I don't believe to be true unless I can blow 20+ psi of air and I believe they are rated at much higher.
Af far as the catch can sequence or even running one, they stated to get rid of it
06-11-2007, 09:20 PM
#23
Thread Starter
so it sounds like the front vent is shot even through one side and not the other...?
and what about the fact tha they are telling me to get rid of my catch can...?
and what about the fact tha they are telling me to get rid of my catch can...?
06-12-2007, 05:05 AM
#24
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Originally Posted by Venomous S,Jun 11 2007, 08:58 PM
They said to me that if i'm able to blow on one side but not the other, then they are good which I don't believe to be true unless I can blow 20+ psi of air and I believe they are rated at much higher.
06-12-2007, 06:33 AM
#25
Thread Starter
Originally Posted by fperra,Jun 12 2007, 08:05 AM
You still are not understanding. Yes, you should be able to blow on either KV in one direction and have flow. Blow in the other direction and no flow. Its just a one way check valve.
I guess what my real question is why don't I hear the releasing of pressure when I pull the dipstick out? Obviously something changed.
And are any of you running a catch can w/ the KV??
06-12-2007, 06:41 AM
#27
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Originally Posted by fperra,Jun 12 2007, 09:37 AM
I'm running a catch can with my KV. As to why you are not getting a vacuum, my guess would be the front KV is sticking open.
probably gonna break down and buy a new set just to test as the guy that makes them seems to think it's my catch can.
06-12-2007, 07:01 AM
#28
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Make sure your catch can is sealed, not vented. Also,the flow should be PCV valve to catch can to KV to intake manifold. This way you will capture the oil vapors before they get to the KV. Oil accumulations in the KV could cause it to stick open.
06-12-2007, 07:07 AM
#29
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Originally Posted by fperra,Jun 12 2007, 10:01 AM
Make sure your catch can is sealed, not vented. Also,the flow should be PCV valve to catch can to KV to intake manifold. This way you will capture the oil vapors before they get to the KV. Oil accumulations in the KV could cause it to stick open.
06-12-2007, 07:41 AM
#30
Thread Starter
Originally Posted by AusS2000,Jun 11 2007, 08:58 PM
Looks to me like the K has fallen off.
and it's fixedbut no, that wasn't the problem after all
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