Pressure from driver's side valve cover vent
02-08-2011, 09:56 PM
#1
Pressure from driver's side valve cover vent I'm getting quite a bit of pressure out of my driver's side rear valve cover vent. It makes a tea kettle type whistle after the motor heats up and if I pull the hose there is a "whoosh" blow off of pressure.
Has anyone had this type of problem and how did you remedy? I was thinking of maybe installing a check valve along the hose that connects the valve covers, but would that defeat the purpose of the PCV? I have the LS6 valley cover PCV set up.
If I block off the hose and run a metco breather in the driver's side valve cover the pressure issues are eliminated. But I've deduced that since this is primarily a street car cruiser I shouldn't vent to atmosphere.
I currently have the saiko-michi dual catch can system set up. Rest of build is below in sig. Maybe the increased displacement and compression is too much for the stock, well, LS6, PCV set up?
Help or advice would be appreciated.
Has anyone had this type of problem and how did you remedy? I was thinking of maybe installing a check valve along the hose that connects the valve covers, but would that defeat the purpose of the PCV? I have the LS6 valley cover PCV set up.
If I block off the hose and run a metco breather in the driver's side valve cover the pressure issues are eliminated. But I've deduced that since this is primarily a street car cruiser I shouldn't vent to atmosphere.
I currently have the saiko-michi dual catch can system set up. Rest of build is below in sig. Maybe the increased displacement and compression is too much for the stock, well, LS6, PCV set up?
Help or advice would be appreciated.
02-08-2011, 09:59 PM
#2
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Clogged PCV valve? The PCV valve regulates the driver's side. Get the 6.0 truck valve. No check ball, just an orifice.
Oh, you've got the LS6 PCV system... NVM..
Oh, you've got the LS6 PCV system... NVM..
02-09-2011, 02:24 PM
#4
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Are you sure there are no clogs in the lines to or from the catch can? Do you have a PCV valve anywhere on the system?
Try to pressurize the system and see if there is anywhere that it is really building up.
Try to pressurize the system and see if there is anywhere that it is really building up.
02-09-2011, 03:18 PM
#5
So right now I either run the Metco breather off the back of my driver's side valve cover, or I plug in the hose and get the whistling (sounds kind of like belt slipping) when the car heats up.
