Oil spray...can't find. - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 18 Old 05-16-2010, 11:40 AM Thread Starter
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Oil spray...can't find.

Okay I am running a dual filter mount with push lock fittings/hose. I am running 2 full filters.

I am pushing 11ps and when I hit full boost it sprays oil on the windshield (no hood) driver side ONLY. I checked EVERYTHING. I was running about 7 qts because of the extra filter, hoses and turbo feed. It was bad, but then it slowed quite a bit from a spray to a very slight splatter. I checked my oil level and it was 1 qt low. I figured no prob cause I have 2 filter full of oil for a total of about 6qts in my system. I just can't find the spray. It seems to be real thick right above the brake power booster. ANY IDEAS?

Did I just use too much oil and my car was mad so it spit it back out?

Breathers going to catch can
Bagged dipstick
No vacuum lines connected to pcv system
No remote line leaks
Valve covers tight with rubber gaskets
No visible leaks



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post #2 of 18 Old 05-16-2010, 02:38 PM Thread Starter
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I just drove it again and it is spraying both sides of the windshield so I may try pcv valves instead of breathers.



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post #3 of 18 Old 05-16-2010, 04:01 PM
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just get the breathers off the valve covers, and remote mount them

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post #4 of 18 Old 05-16-2010, 04:15 PM
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You need to get some baffles in the valve covers ASAP. Increasing the dia. hose will help as well. If that doesn't fix it, you have some serious blow-by issues which will need to be resolved.
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post #5 of 18 Old 05-17-2010, 12:06 AM Thread Starter
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I don't think I have that bad of blow by. At idle I have some, but not too much. I don't know where it is coming from exactly, but it seems like it may be the cheap Mr. Gasket breathers. The breathers are soaked. I wonder if the blow by is just pushing it out of the filter material past the non crimped edges on the breathers.


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post #6 of 18 Old 05-17-2010, 12:44 AM
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You need a -10 fitting on each valve cover and a catch can. It is definitely blow by, but its rather normal on boosted cars. Just vent those covers well!

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post #7 of 18 Old 05-17-2010, 07:15 AM
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Blow by is absolutely normal for a boosted car...but loosing a quart of oil after a run or two absolutely is not.

You should NOT be getting any oil or mist coming from the breathers at idle either. If it's not a lack of baffles I bet you have some piston rings that are gone.

FYI, I run baffled breathers with a filter in them with no pcv...and that's it. They'll get oil soaked after a month or two at which point I'll clean them out and throw them back in.
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post #8 of 18 Old 05-17-2010, 11:30 AM
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I wouldn't be surprised if he was blowing boost in there via the PCV valve or the nipple/tube that goes from the throttle body to the filler neck.

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post #9 of 18 Old 05-17-2010, 01:31 PM Thread Starter
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I am not blowing mist or oil at idle or even normal driving. Just when I stay in the boost. I don't have baffles, Just the Mr. Gasket breathers that have the foam in them. One of the reasons I may have filled my crankcase with too much oil. I added a dual mount filter and wasn't sure how much to add so I added about 7 qts. I have no pcv system, no filler neck I have tall valve covers. The quart loss was after about 2 days of HARD driving, but after the 1qt was gone now it's a mist of droplets and not a heavier spray like it was.


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Last edited by goatnipples2002; 05-17-2010 at 01:34 PM.
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post #10 of 18 Old 05-18-2010, 02:20 AM Thread Starter
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I got new breathers and I believe my baffles were opened up way too much. We'll see what happens now.



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Last edited by goatnipples2002; 05-18-2010 at 02:25 AM.
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post #11 of 18 Old 05-19-2010, 12:33 AM Thread Starter
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I tried the new breathers and all was good UNTIL I added another qt of oil. I can't tell where it is coming from. I am gonna try some oil dye to see what happens. It seems to be coming from the area of the tower to the valve cover to the firewall maybe in the power booster section cause the oil sprays there as well. Nothing on the header or valve cover. ANY SUGGESTIONS PLEASE?


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post #12 of 18 Old 05-19-2010, 07:34 AM
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Something I used one time to find my oil leak was I covered the whole engine in baby powder and went for a ride, its messy but it should be pretty obvious when you get back.

I still think its the breathers honestly, I think you should baffle the valve covers and then put a remote breather tank.

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post #13 of 18 Old 05-19-2010, 10:46 AM Thread Starter
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These are the breathers I have
http://www.jegs.com/webapp/wcs/store...-1&showValue=3

This style of catch can
http://static.summitracing.com/globa...or-85473_w.jpg


I was think about having some tubes welded to my valve covers to raise the breathers out of the way. I also read about guys putting a drain hole in the pan for the catch can and that letting pressure out as well. I may try that If all else fails.


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Last edited by goatnipples2002; 05-19-2010 at 10:48 AM.
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post #14 of 18 Old 05-19-2010, 10:49 AM
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Theres no way just an oil feed line and an extra oil filter is gonna need 2 more quarts of oil bro, why don't you check your dipstick and just make sure it's full and stop over filling it.

You either have some really weak rings or you havent removed something thats allowing you to pressureize your crank.

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post #15 of 18 Old 05-19-2010, 11:46 AM Thread Starter
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Hell it has 160 on the clock and the rings seemed pretty tight when I put oil in the cylinders when I had the heads off. Now that I think of it I should probably only run 6 qts because of the extra 1 qt filter. I am not sure where the oil is coming from when I boost, but with 4 qts in the pan and 2 qts in the filters it doesn't spray maybe a real fine mist.

I may just have weak rings so then it would probably be a good idea to vent the pan?

To fill my car with oil this what I did. I figured that I needed a full pan 5qts and I was gonna run dual full size filters with 1 qt capacity each. That seems pretty solid....for a total of 7qts. Yet my car seems to telling me I only need 6qts?


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Last edited by goatnipples2002; 05-19-2010 at 11:55 AM.
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post #16 of 18 Old 05-19-2010, 03:07 PM Thread Starter
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I found it. It is coming from the oil dipstick mount holes. 2 holes right where the mounting tab used to be. I am covering those and venting the oil pan.


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post #17 of 18 Old 05-19-2010, 07:11 PM
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Your stock capacity was 5 quarts. If you add an extra 1qt filter...that would make 6 quarts.

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post #18 of 18 Old 05-19-2010, 10:01 PM Thread Starter
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I understand that but I was unsure how much in the pan was needed because when it is setup the conventional way you make sure the filter and pan are full. I was trying to do that same with this setup.

I added the right amount of oil and just punched a hole in the pan and vented that to my catch can. I am now running the short filters and 5pts of oil and a can of MOA. That might be a little too much. It is over the full line so I am going to let a little out. The vent really helped. I just need to drain about a .5 qt out.


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Last edited by goatnipples2002; 05-19-2010 at 10:04 PM.
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