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Need Part # for updated LS1 PCV valve

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Old 04-28-2003, 10:52 AM
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Default Need Part # for updated LS1 PCV valve

This weekend I noticed that there was oil in my intake... upon further investigation, I was told I have the outdated PCV vlave... apparently early 2002's didn't get the newer part... I guess the newer part has a smaller hole to prevent oil from getting into the intake... I have the fatter one...


thanks
Old 04-28-2003, 12:51 PM
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Default Re: Need Part # for updated LS1 PCV valve

PN 12572717 they call it a 'fitting'
Old 04-28-2003, 01:12 PM
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Default Re: Need Part # for updated LS1 PCV valve

PN 12572717 they call it a 'fitting'
thanks ... that is the one with the "smaller hole" ?
Old 04-28-2003, 01:15 PM
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Default Re: Need Part # for updated LS1 PCV valve

Is this a viable solution for the pre-2000 lS1's? I've never really had an issue with oil consumption in my '99, but I understand several other have. The only alternatives that I was aware of were oil catch-cans, and the lS6 valley cover mod...

Anyone have an answer on this?
Old 04-28-2003, 02:05 PM
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Default Re: Need Part # for updated LS1 PCV valve

Yes it is the one with the small hole. There is no spring involved.

For a few bucks its worth a try. A catch can is probably the most effective method for keeping oil out of the intake.
Old 04-28-2003, 03:37 PM
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Default Re: Need Part # for updated LS1 PCV valve

Yes it is the one with the small hole. There is no spring involved.

For a few bucks its worth a try. A catch can is probably the most effective method for keeping oil out of the intake.

thanks for the info... I have heard of a catch can, but don't know exaclty what is/looks like ... but the purpose sure seems clear
Old 04-28-2003, 04:18 PM
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Default Re: Need Part # for updated LS1 PCV valve

I installed the pcv fitting but it did not stop the oil problem,the only solution is a catch can which works well or remove the intake and install the corvette pcv system.
Old 05-07-2003, 02:17 PM
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Default Re: Need Part # for updated LS1 PCV valve

Last 1,

what info/websites do you have on the catch-can? I'm thinking of taking the car down to the deaker to let them deal with it, gotta love warrenties

but I am interested in this catch can.

Old 05-22-2003, 10:37 AM
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Default Re: Need Part # for updated LS1 PCV valve

also, since it does not have a 1-way valve, wont it allow pressure to possibly go into the valve cover and cause some freak pressure build up?
Old 05-22-2003, 11:16 AM
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Default Re: Need Part # for updated LS1 PCV valve

You will never have pressure entering the valve cover/crankcase from the PCV system unless you have a boosted engine. It can never go greater than atmospheric +In Hg. (Delta)

Old 05-22-2003, 04:42 PM
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Default Re: Need Part # for updated LS1 PCV valve

or remove the intake and install the corvette pcv system.
pre 2001 corvette still have the PCV problem with oil in the intake. Catch can is the only real solution or install in the ZO6 PCV system. On the corvetteforum.com board, there are several post on how to install the PCV mod




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