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-   -   Milky blowby from valve covers (https://www.offshoreonly.com/forums/general-q/328101-milky-blowby-valve-covers.html)

PorscheSpeed 07-06-2015 02:23 PM

It's pretty even. I'd say 60/40

payuppsucker 07-06-2015 02:30 PM

That probably rules out a restriction then.

blue thunder 07-06-2015 06:28 PM


Originally Posted by PorscheSpeed (Post 4326305)
Just went out for a ride and got oil up to 220 no problem, water temp never broke 100.
Shutdown and pulled dipstick, no water in the oil. if there was water id assume it to be mixed up after a run.
I don't see any milk or condensation when i pull the fill cap.

The more i think about it, even if an intercooler was leaking, I'm not sure how it would ingest water without sucking it through the engine, in which case it would be in the pan as well.

You need to crack the oil filter and look at a volume of oil that is flowing through the system. You cannot tell from the dipstick typically unless the level is way high like full force mentioned. 1/2 qt of water will make a mess of your oil but may not show on the dipstick conclusively. It would be wise to pressure test the cooling system if you can.

blue thunder 07-06-2015 06:32 PM


Originally Posted by Full Force (Post 4326172)
true but he would have raised oil level if water was entering...

it is easy to get condensation in Lake Erie I do early in season, this time of year and oil temps above 180 you really don't get it... I see no condensation now that's its warmer out and I don't have water stats...
can you look in oil fill cap hole and see condensation ??

Condensation will look like thick creamed cheese under the fill cap and if you run your finger along the underside of the valve cover, through the fillcap. Whats on his blower is too much water for reversion or condensation from my experience.

endeavor1 07-06-2015 07:24 PM

Had an issue like that once. Cylinder head had rotted out.

throttleman 07-06-2015 07:48 PM

have seen this problem a few times , you need to get heat into the engines , 130-150 , the problem is condensation..the other problem that follows that is rust on the valve springs then onto broken valve springs . not saying you may not have other problems like gasket s,valve guides , ect, . good luck .thunderboat Bob

ICDEDPPL 07-06-2015 09:18 PM

I get the same thing but it doesnt make it thru the breathers like that .. that seems like a lot not to be in the oil.
I`m starting to think mine is worse due to the spring oilers ( everything is cooler below the valve cover causing more condensation?)
This weekend I think I`ll try to cap them off and see whats up.

My condensation is only in the front by the water passage nowhere else.
Oil temps are in the 180* range


http://33outlaw.zenfolio.com/img/s5/...82068569-3.jpg

Full Force 07-06-2015 11:15 PM

yea, but with chillers its gonna be super cold, our lake is only 65 degrees right now....


Originally Posted by blue thunder (Post 4326416)
Condensation will look like thick creamed cheese under the fill cap and if you run your finger along the underside of the valve cover, through the fillcap. Whats on his blower is too much water for reversion or condensation from my experience.


Jfoster 07-06-2015 11:44 PM

I had similar issue last year ended up being water running back in from exhaust just something to check if haven't already.

PorscheSpeed 07-23-2015 08:58 PM

Update- I've noticed it only does this above 4500 rpm. if i make a run and stay below 4k the engine is clean as a whistle. That's when i start to get into the heavier boost. Perhaps i have some cylinder wall/ piston ring issues going on.


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