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Valve covers? Help!

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Old 02-10-2010, 10:38 AM
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Default Valve covers? Help!

I recently bought a set of fabricated aluminum valve covers at a swap meet, after I got them home and began comparing them to the stockers I noticed the stock covers have vacuum lines running to them ( from the TB and back of the intake). The new covers dont have ports for this. Will this cause a problem? If so, how can I fix it?
Old 02-10-2010, 11:24 AM
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You need to plumb in the motor venting somehow. Motor needs to breath.
Old 02-10-2010, 09:17 PM
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Thanks, any detail on what i can do?
Old 02-10-2010, 09:23 PM
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drill/tap/weld for -AN lines and run to a catch can

or run a breather cap on the one valve cover as well as tapping the otherside for a vent
Old 02-10-2010, 10:24 PM
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so just make sure their vented? I was thinking about drilling them and putting a fitting in that i can attach the hose to.
Old 02-11-2010, 09:00 AM
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Hmm. let me know what you do. i may have the same problem soon. if i do i was also thinking of just drilling a hole and welding in a fitting for the hose to go to..

i was thinking about doing one where it it thredded so just drill the hole big enough and put a nut on the inside.. but that could go very wrong if it came loose.. weld in would be the safer bet.

Last edited by 1BADTALS1; 02-11-2010 at 09:24 AM.
Old 02-11-2010, 11:13 AM
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Ok. It may be a while before I do it, but I'll take alot of pics. I dont know why they dont put some sort of fitting on it. Thats what I get for being cheap.
Old 02-11-2010, 08:59 PM
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yeah i don't have mine yet but they are ordered. how many lines are there? is it on both covers or just one side?
Old 02-11-2010, 09:58 PM
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If you have a vent anywhere, remove PCV altogether and cap any ports on your intake.
Old 02-12-2010, 10:55 AM
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Originally Posted by 1BADTALS1
yeah i don't have mine yet but they are ordered. how many lines are there? is it on both covers or just one side?
I didn't look at it too hard. I think its one on each side, someone correct me if im wrong.




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