INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

oil found in the intake manifold

Old Sep 11, 2010 | 04:33 PM
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Default oil found in the intake manifold

Hi, seems after the head/cam install the car is spitting out a decent amount of oil into the intake manifold, and I didnt find out until i came to install my Z06 throttle body. Trying to figure out whats the best idea to reduce/releif excessive crankcase pressure?
im thinking of installing a breather and a catch tank, no idea if those will solve the problem

thanks..
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Old Sep 11, 2010 | 07:16 PM
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I put a catch can on the driver and passenger side. I caught oil from the drivers side but not a drop on the passenger side . I also installed a breather on the passenger side in the oil fill plug.
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Old Sep 11, 2010 | 08:05 PM
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I get oil out of my catch can every time I check it...
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Old Sep 11, 2010 | 08:38 PM
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Hey bud...you just running one on the driver side?
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Old Sep 11, 2010 | 08:42 PM
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stick a catch can bwteen your pcv and intake
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Old Sep 11, 2010 | 11:32 PM
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+1 on the catch can. I like to delete the pcv though. There is a bunch of info on this over on tech.
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Old Sep 12, 2010 | 07:53 AM
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would a breather help maybe..
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Old Sep 12, 2010 | 08:11 AM
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what rpm do you spin your motor to? ive yet to find a lot of oil in mine. i run to 6800rpm an it pulls its *** off for being 5800lbs. im adding a catch can soon though just to be safe.
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Old Sep 12, 2010 | 10:59 AM
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Originally Posted by terravast4
Hey bud...you just running one on the driver side?
Yep, in line between the PCV valve and intake
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Old Sep 12, 2010 | 11:02 AM
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Originally Posted by supercharged680
would a breather help maybe..
In addition to the PCV? Unfortunately no...I had read of an updated valve cover that was going to be made available, but don't know whatever happened with it. I wasn't aware that the GENIV's were having the same problem with the oil consumption, I would've hoped that GM would have remedied the situation by now.
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