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Old Feb 21, 2009 | 07:10 PM
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Default PCV delete question

I searched this and only found info on how to do the delete, which I already did. I have a small breather on each valve cover, and they are both smoking. Anyone have a guess as to what the smoke might be from? I was aware the car was burning oil, will this cause it to smoke out of the valve covers?
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Old Feb 21, 2009 | 07:30 PM
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Yep. It most likely burning off condensation. My truck did it pretty bad. You will soon find your engine bay really... greasy.
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Old Feb 21, 2009 | 07:32 PM
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Well, as long as its not from anything being messed up I don't really mind. I don't have anywhere close to a show quality engine bay.
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Old Feb 21, 2009 | 08:59 PM
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Originally Posted by Arc00TA
I searched this and only found info on how to do the delete, which I already did. I have a small breather on each valve cover, and they are both smoking. Anyone have a guess as to what the smoke might be from? I was aware the car was burning oil, will this cause it to smoke out of the valve covers?
Try hooking the driver side valve cover to a vented catch can. The breathers will smoke once they get covered in splashed oil, anytime you get on it. Giving the oil a place to go, on the driver's side may eliminate or at least reduce the problem.
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Old Feb 21, 2009 | 09:03 PM
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Originally Posted by LS1-450
Try hooking the driver side valve cover to a vented catch can. The breathers will smoke once they get covered in splashed oil, anytime you get on it. Giving the oil a place to go, on the driver's side may eliminate or at least reduce the problem.
I redid my pcv system completely. If you dont want to vent it into the intake and just the atmosphere you can take off all the lines and cap the intake. Then buy a t fitting and a lot of 3/8 hose. The hose runs from the passenger side valve cover, the the drivers, then goes to the t and the t runs to the catch can that is vented.

I can do a drawing if you like. Mine is that setup but the t fitting goes back into the intake
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Old Feb 22, 2009 | 04:35 PM
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Well, mine is completely removed right now, with breathers on both valve covers. I can say the improvement is enormous. My gas mileage has almost doubled (it was down to 170-200miles to a full tank), and I don't get the hesitation and sputtering when I start off from a light or something. The only tradeoff is the oil smell when it smokes a little but I don't mind that. I may look into a catch can soon though.
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