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-   -   Anyone running their valve cover breathers in the back? (http://www.clubcobra.com/forums/429-460-engine-talk/98049-anyone-running-their-valve-cover-breathers-back.html)

mjmacqua 07-02-2009 08:37 AM

Anyone running their valve cover breathers in the back?
 
If anyone is running their valve cover breathers in the back and you have a pic, I would like to see it. I am considering a quick fix with the height of my breathers, by just reversing the valve covers.

The down side might be oil running into them with hard launches. They are baffeled, so I think it may not be a problem.

The alt is to buy new valve covers and start over, I am not going to do Roup Goldberg job...

Cobra #3170 07-02-2009 09:14 AM

Breathers
 
Quote:

Originally Posted by mjmacqua (Post 962989)
If anyone is running their valve cover breathers in the back and you have a pic, I would like to see it. I am considering a quick fix with the height of my breathers, by just reversing the valve covers.

The down side might be oil running into them with hard launches. They are baffeled, so I think it may not be a problem.

The alt is to buy new valve covers and start over, I am not going to do Roup Goldberg job...

I tried that several years ago before going dry sump and it dumped oil out the breathers under hard acceleration. The breathers and the valve covers were both well baffled and it still dumped oil. I finally moved the breathers to the front and plumbed them with a right angle to clear the hood then ran them to another right angle (on both sides) at the back of the engine and then into a "T" with a single breather that was just below hood height. This worked, no more oil being dumped out under hard acceleration and or cornering. The down side, not pretty to the car show crowd, but I am into function first. I guess this would qualify as a Rube Goldberg job though.

mjmacqua 07-02-2009 10:40 AM

Thank you for the feed back. I'd be curious to know how hard you were running your car, was it at a track where you had the issue? Normal driving?

Anyone else?

Jac Mac 07-02-2009 11:39 AM

I/we tried the breathers on the back with a circuit car, would lose about a 1/2 a quart into the catch tank in each 15/20 mile race. Shifted them to the intake side of rocker covers in between pairs of pushrods depending on position of rocker cover bolts. Have done all track cars same way since. No problems. When you think about it and visualise how the oil stacks up in the rocker covers during acceleration, cornering , braking its the only logical place to fit a breather.

WildBill3 07-03-2009 03:35 AM

We run ours in front and conect them with an alum. tube works great :)

Silverback51 07-03-2009 04:30 AM

Mine is in the rear and no problems. The PCV is also in the rear on the opposite side.


http://www.clubcobra.com/photopost/d...W_ENGINE_3.JPG

mjmacqua 07-07-2009 12:28 PM

Thanks
 
Thanks to all.

I am going to give it a try and see if I get any oil in the breathers. If not I will run it that way until the winter. maybe I can get new valve covers as a x-mas present.

Mike


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