Oil in the upper intake. - Mustang Evolution

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Old 05-01-2003, 02:59 PM   #1
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Oil in the upper intake.

So, there's the issue of the PCV valve on 99's allowing oil to pass into the upper intake and can lead to some detonation.

I've seen az2kvert's site showing how he added a Fuel filter in line between the valve cover and the intake, on the pcv tube.

Is this something I should consider doing, or maybe see about getting new valve covers
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Old 05-01-2003, 03:59 PM   #2
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actually when i took myn off it had some oil in it. The best inside pic i got is this. Is this what the inside of your intake looked like somewhat?

thats the best i shot i got of the inside of my single port runners.
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Old 05-01-2003, 06:55 PM   #3
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Mine was oiler, blacker, but in general it looked pretty bad also. Monkey commented that it was normal, so I didn't give it a second thought until I ran across this
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Old 05-02-2003, 08:52 PM   #4
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When I put on my stage 3 upper the stock one I took off was relatively clean. Smokedya95stang yours was much more grungy than mine was but then again your car is a 95 so eventually mine could have looked like that
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Old 05-02-2003, 11:39 PM   #5
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didnt exactly read all of this, but it may shed some light on your situation.

http://www.v6power.net/forum/viewtopic.php?t=14326
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Old 05-05-2003, 02:02 PM   #6
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well i didnt have a problem that i know of, car had 23k on it, but i pluged mine off and put breathers on the valve covers to prevent the issue, how offten do you need to replace or clean those filters?
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Old 05-05-2003, 02:32 PM   #7
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I don't know. From the pictures it looks like its clear so I would guess when it gets black, or you get a CEL that relates to the PCV.. is there even a CEL for that?
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Old 07-15-2003, 09:59 AM   #8
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Quote:
Originally Posted by jbone
Quote:
Parts dude "Highly recommended" that I get it installed by the service department.

I told him it's just a valve cover

I decided to have FORD do the install bacasue they are gong to clean the crap outta my intake manifold too:

I am so frustrated I am not going to explain it here but the whole ordeal made me start this thread:

http://www.232stangs.com/forum/viewtopic.php?t=658&highlight=

Call these folks if it applies to you. they are nice and hopefully this will encourage the engineers to pull their heads out of the V8's engine bay and take a look at the V6's problem(s).

*edit* Aye kunt speel four sheet
If ford does the install I heard that ****** the timing a bit? Any truth to that. I'm running into the same problem and need to deal with it soon
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Old 07-18-2003, 12:37 PM   #9
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Yes it does. The oil vapor "dampens" combustion which hurts power as well.
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Old 07-18-2003, 03:41 PM   #10
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Valve cover from fordparts.com $30

https://fordparts.com/cart/?pn=3F2Z-6582-BA
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