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PCV Catch Can Issue

This is a discussion on PCV Catch Can Issue within the General Help forums, part of the LSx Technical Help Section category; Installed my catch can yesterday, took the PCV valve totally out. That was it. Started it up and my idle ...

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    515 HP TrickFlow Package BADASS2000SS's Avatar
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    PCV Catch Can Issue

    Installed my catch can yesterday, took the PCV valve totally out. That was it. Started it up and my idle jumped up to about 900-1000 RPM. Is this regular for a PCV Can install or am I missing something? My car used to idle at 600-700 RPM prior to the catch can. All lines are hooked up correctly. Whats the deal?
    2000 SLP Camaro SS M6 * 515 HP TrickFlow Package * FAST 92 MM Intake * Nick Williams 92 MM TB * Volant CAI * Granatelli MAF * Full Custom True Dual Exhaust with X-Pipe * Tuned by Breathless Performance

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    Impounded
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    You need the PCV valve to regulate air flow into the intake. Get the truck valve.. fixed orifice part number 1009...

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    Moderator Cutlass's Avatar
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    yeah no pcv valve is just like a vacuum leak

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    Veteran Hi-Po's Avatar
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    Vacuum leak, hence the raised goofy idle.

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    515 HP TrickFlow Package BADASS2000SS's Avatar
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    Quote Originally Posted by JoshieDoom View Post
    You need the PCV valve to regulate air flow into the intake. Get the truck valve.. fixed orifice part number 1009...
    Nice info guys! I still have the stock one, what will be the difference between mine and the truck one?

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    That guy thearborbarber's Avatar
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    Quote Originally Posted by BADASS2000SS View Post
    Nice info guys! I still have the stock one, what will be the difference between mine and the truck one?
    There is but the catch can equalizes any advantage the truck pcv has. If you original one isn't packed full of oil and crap just re use it. If it's filthy just get a new one for $4 or so.

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    Quote Originally Posted by BADASS2000SS View Post
    Nice info guys! I still have the stock one, what will be the difference between mine and the truck one?
    More regulated air flow.

    Im looking for a pic. But one is a tiny drilled hole in a PCV valve where as the other one is poppet valve and spring type.

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    Is there a way I can just adjust my idle to comensate for not having a pcv valve. Sarge was the onr that told me to delete it in the first place!

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    Quote Originally Posted by BADASS2000SS View Post
    Is there a way I can just adjust my idle to comensate for not having a pcv valve. Sarge was the onr that told me to delete it in the first place!
    You are letting unmetered air into the intake so thats a negative

  11. #11
    That guy thearborbarber's Avatar
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    Can you post a picture of your engine bay so we can see your set-up?

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    Member fxgs's Avatar
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    Make sure you cap off where ever you disconnected any of the PCV hoses you removed.............no problems with my set up

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    515 HP TrickFlow Package BADASS2000SS's Avatar
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    For right now, I am going to go with the better PCV valve and the catch can setup. I will decider later down the line (after seeing if there in no oil entering my intake) if I need to delete the PCV shit altogether! Hopefully the new PCV valve and catch can will do the job! I will update!

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