More questions regarding Crankcase pressure?
07-01-2007 | 03:44 PM
#46
Registered User
Joined: Apr 2005
Posts: 1,546
From: Florence, Kentucky
If you are concerned w/ the blower sucking oil, why not use the seperator between the pcv instead of capping the end under the tb?
I'm using the oil/seperator and not running it to the blower as I didn't want the oil on there. See the 1st page of this thread to see what oil seperator I'm using. The VC I'm just using breathers (3) but decided to switch and run -10 off of each VC to a vented catch can. I can deal w/ the oil smell but not oil over the engine bay.
I'm using the oil/seperator and not running it to the blower as I didn't want the oil on there. See the 1st page of this thread to see what oil seperator I'm using. The VC I'm just using breathers (3) but decided to switch and run -10 off of each VC to a vented catch can. I can deal w/ the oil smell but not oil over the engine bay.
that has a K&N filter on top and one 1/2 inch brass fitting screwed into the side. You can't really see the can because it sits behind the intake so I didn't spend any money to try to make it look good.
Last edited by 97WS6Pilot; 07-01-2007 at 03:48 PM.
07-07-2007 | 11:49 AM
#47
Registered User
Joined: Oct 2002
Posts: 420
From: Warrenton, VA
There are two general choices:
---just vent the crankcase to atmosphere (no vacuum, almost).
This isn't the best for longevity because it doesn't clean corrosives out of the oil as much, but it is the easiest. This is all cars had until the early 60's.
---put vacuum on the crankcase
This is better but harder to do. To have vacuum on the crankcase under boost you have to either put lines from the valve covers to the low pressure side of the supercharger, to the exhaust, or to a vacuum pump.
---just vent the crankcase to atmosphere (no vacuum, almost).
This isn't the best for longevity because it doesn't clean corrosives out of the oil as much, but it is the easiest. This is all cars had until the early 60's.
---put vacuum on the crankcase
This is better but harder to do. To have vacuum on the crankcase under boost you have to either put lines from the valve covers to the low pressure side of the supercharger, to the exhaust, or to a vacuum pump.
07-07-2007 | 11:54 AM
#48
Thread Starter
Registered User
Joined: Oct 2002
Posts: 969
From: Arkansas
---put vacuum on the crankcase
This is better but harder to do. To have vacuum on the crankcase under boost you have to either put lines from the valve covers to the low pressure side of the supercharger, to the exhaust, or to a vacuum pump.
This is better but harder to do. To have vacuum on the crankcase under boost you have to either put lines from the valve covers to the low pressure side of the supercharger, to the exhaust, or to a vacuum pump.
07-07-2007 | 07:15 PM
#50
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Registered User
Joined: Oct 2002
Posts: 969
From: Arkansas
You mean pull through the PCV port instead of through the valve covers? Yea, that would be just as well I guess. You would have to remove the PCV valve.
I was just going to insert a checkvalve and a oil/air seperator with a Filter on it, and run it to the suckside of the blower.
07-08-2007 | 05:41 AM
#51
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Joined: Jun 1999
Posts: 972
From: The Haven, Fl
Why would you have to remove the valve? Just trying to understand the reasoning behind it in what TA/Kid is trying to do. I'd think he'd definitely might see an increase in vacuum/better ring seal running it off the suck side of the blower too.
07-08-2007 | 02:11 PM
#52
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Joined: Aug 1998
Posts: 1,384
From: Los Angeles, CA
-B
07-08-2007 | 10:24 PM
#53
Thread Starter
Registered User
Joined: Oct 2002
Posts: 969
From: Arkansas
believe someone above mentioned that when he did it this way the blower and the intercooler was completely covered with oil after a few hundred miles.
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