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C5 Open Discussion General and technical C5 Corvette discussion - ownership, maintenance, repairs, modifications, tuning |
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05-03-2010, 8:35am | #1 | ||||||
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Valve Cover Breather Solution Needed
I need to come up with a different solution for my valve cover breather. I'm running the GMPP "Chevrolet" valve covers, which have a plain 1.22" dia hole on the pax. side cover. I'm currently using a K&N breather filter that I've modified the base of mounted directly in the hole. It's just a standard K&N part that has no baffles etc. and the problem seems to be that since the breather is mounted at an angle, the oil mist trapped by the filter element is dripping out of the low side of the breather. Here's a pic of the arrangement, you can see where the oil has been.
What I'm looking for is either an attractive looking push-in style cap with built baffles and breather, or an elegant solution to go from a plain 1.22" hole to AN-6 hose and then to a remote breather can. I have 1.00" and .75" grommets for the valve cover hole. I was thinking maybe a 1/2" NPT to AN-6 elbow, screwed into the .75" grommet. The O.D. of 1/2" NPT is .840", so it'd be a tight fit for sure. Anyone have a line on a better soltion? Maybe a 1.00" or .75" hose barb to AN-6 adapter elbow? Any other suggestions are appreciated!
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05-03-2010, 1:09pm | #2 | ||||||
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What does the cover on the driver's side have for openings. One side should be "straight through" for oil filling and the other cover should have an oil restricting baffle under the cover and mount the vent over that one. Someone else chime in here too !
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05-03-2010, 1:29pm | #3 | ||||||
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Joe we had this issue on the Panoz running VC breathers on each side.... we ended up getting new valve covers and running AN fittings/lines to a vented catch can.
Original setup Re-done... not as trick/pretty as the composite covers, but they work, were cheap, and don't crack/leak!
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2001 Quicksilver Z06 - NASA PTA/TTA/ST2 #4 www.carsandcoffeevirginiabeach.com April 7th, 2012 7:30am-9:30am @ La Promenade Last edited by Cobra4B; 05-03-2010 at 1:31pm. |
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05-03-2010, 1:48pm | #4 | ||||||
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I'm running the solid cover on the other side. These GMPP covers have no baffles under them at all, although there are some bosses that could be tapped and used to mount something homemade. I think what I'm going to do is use an old skool AC Delco FB-59 push in plastic breather in the short term, at least until after the event in Indy next week. Afterwards I'll find a place to mount a remote breather can and either weld an AN-6 weld fitting directly to the VC, or use a NPT threaded 90° adapter in a grommet. I may even consider buying another blank cover and using that for an even cleaner appearance.
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05-03-2010, 4:56pm | #5 | ||||||
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Here are the same VC's with a bit of modification...
AN bungs added. A line from each VC T's into the 4 inch downtube. Also replaced the push in filler with a bung and screw in cap. Last edited by WKMCD; 05-03-2010 at 4:58pm. |
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05-03-2010, 6:51pm | #6 | ||||||
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AN to remote can would be sweet. It's not like you'd have to put the can anywhere visible.
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00 MY coupe Some minor tweaks here and there. |
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05-04-2010, 12:57pm | #7 | ||||||||
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Quote:
Quote:
I wonder if I could get EE to sell me the can portion only for less bux. I hate to spend $169 only to toss the lines, bracket, fittings etc.
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99 FRC - A&A T-Trim @ 10PSI Last edited by FRC Joe; 05-04-2010 at 12:59pm. |
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05-04-2010, 2:55pm | #8 | ||||||
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I use a wrist band on my breather, black one it works great for me
I like those covers can you pm me the part number, I need something to send out for powder coating and I like those, what did they cost |
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05-04-2010, 5:56pm | #9 | |||||||
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I thought you already had these VC's????? They are the GMPP valve covers. I got them from SDPC. I think they were a little over $200. |
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05-04-2010, 8:07pm | #10 | ||||||
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The problem with this setup is your dispstick keeps disappearing.
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