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Old 04-14-2017, 06:35 PM   #1
Cwazywazy
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Default cankcase pressure problem

So I took the oil box out and cleaned it pretty well. I can blow through it no problem and it feels light, but it still fails the oil cap test and I can barely feel anything coming from the vent tube. If I shove a wire hangar down the small hole in the block it doesn't go very far and comes up with black crap on the end. Is it possible that the passage is blocked or is there just a turn in the tube or something?
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Old 04-14-2017, 07:58 PM   #2
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Still can't figure it out. Anyone?
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Old 04-14-2017, 08:04 PM   #3
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There IS a turn in the tube, more like a capital letter H, but take away the top-right vertical line and the bottom-left vertical line.
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Old 04-14-2017, 08:05 PM   #4
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Google crankcase breather hose and VIEW the picture
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Old 04-15-2017, 12:51 PM   #5
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So with the oil cap upside down it bounces around but doesn't fall off. Bounces around significantly more than my other car though. If I put it on without turning it it'll bounce around, other car doesn't do this. Oil is still seeping out of the oil cap.
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Old 04-15-2017, 04:21 PM   #6
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Almost all red block engines do that. Absolutely nothing to be worried about.
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Old 04-15-2017, 10:31 PM   #7
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Quote:
Originally Posted by 2manyturbos View Post
Almost all red block engines do that. Absolutely nothing to be worried about.
Yeah the oil leaking from the cap seems to have stopped now that I let it vent to atmosphere. I think maybe the nipple I put on my intake was too small.
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Old 04-15-2017, 11:34 PM   #8
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Quote:
Originally Posted by 2manyturbos View Post
Almost all red block engines do that. Absolutely nothing to be worried about.
This. Maybe ring blowby.
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Old 04-16-2017, 10:45 AM   #9
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Maybe measure crank case pressure thru the dipstick tube.
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Old 04-16-2017, 06:24 PM   #10
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When you have enough blowby the rings to overwhelm the PCV, you get this - assuming your PCV system is working properly.
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