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Old 06-05-2008, 12:19 AM   #1
Dumbledore dies?!?!
 
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PCV system

I'm getting ready to start my turbo build, the only thing that I am unsure about is the PVC system... My main concern is how exactly am I suppose t change the system to work with my turbo...




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Old 06-05-2008, 09:36 AM   #2
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well one guy changed it and then relized it was not working at all,,he changed it back the way it was,,so im not sure that we have to change it at all
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Old 06-05-2008, 09:47 AM   #3
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Woohoo! less work... I wasn't sure because, a couple of other builds i looked at, one would have it and the other wouldn't.
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Old 06-05-2008, 09:53 AM   #4
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yeah i think it was sporadics build,,have u not see it yet? in there he talks about doing all that and that it was letting shit build up in his engine,,,,so he put it back to stock i believe...i cant remember now,,go check it out though,,,i think ive read it like 5 times now,,lol,,he done a good write up on it..
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Old 06-05-2008, 11:05 AM   #5
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You DO NOT want the PCV to run back into the charge piping... it HAS to be changed for it to work right.

Personally there are several of us that simply vent everything to atmosphere and have had ZERO trouble with the setup.

I'll NEVER vent back into the charge piping.
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Old 06-05-2008, 05:46 PM   #6
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Thanks for the input, saved me some work :p
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Old 06-05-2008, 10:58 PM   #7
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Quote:
Originally Posted by 03OrangeSVT View Post
You DO NOT want the PCV to run back into the charge piping... it HAS to be changed for it to work right.

Personally there are several of us that simply vent everything to atmosphere and have had ZERO trouble with the setup.

I'll NEVER vent back into the charge piping.
except a few blown motors??

you have to have a vaccum on the lower block if you want the rings to seat right.
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Old 06-06-2008, 10:02 AM   #8
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Everyone knows how my motors have blown and they know its not related to the PCV system.
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Old 06-07-2008, 12:26 AM   #9
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No, I haven't settled on a setup yet.
Currently I just run both the valve cover and crankcase to a catch can, and then into my ambient pipe.
There's really no vaccum being drawn there, but it keeps the smell down.
This was just a temporary thing, so I'm not even attempting to give advice on PCV setups at the moment.

The issue with using the stock PCV setup is that when in boost it will not allow the crankcase to breathe at all.

I've been considering a slightly complicated setup involving multiple check valves that would allow the crank fumes to be drawn into the intake manifold like stock, but under boost would allow it to vent to atmosphere.
Sort of the best of both worlds.
This idea of mine isn't fully developed, but if I go that route I'll post details.
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Old 06-07-2008, 12:30 AM   #10
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ok so for people with set ups what is the best so far? we dont want to harm our engine of course,,if i need a catch can let me know cause from what sporadic said he was seeing harndly anything in the can....the pvc is sopposed to vent the air from the crank case and to leave the oil in the engine correct? so u dont want to see oil in the can if im pictureing this right,,but sporadic said he was finding nasty looking stuff inside the engine,,
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