Milk Shake... Blown Head Gasket????
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Milk Shake... Blown Head Gasket????

  1. #1
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    Default Milk Shake... Blown Head Gasket????

    Finally got around to getting into the Olds after blowing milky oil out the valve cover breather.
    I checked the oil knowing it was going to be milky. Yep it sure was!!!
    Popped the valve covers off... yep milky oil there too.
    Pulled the intake and that is when it got real ugly! Milky, frothy oil all over the underside of the intake. Milky oils sitting in the lifter valley. And what appears to be surface rust and oily water near the left bank around the #3 cylinder where the head meets the block. Intake gaskes looked good especially around the water passages.
    Is this a head gasket failure around the #3 cylinder???? When it started blowing milky oil out the breather the water temp was right around 150-160. The engine showed no signs of over heating.
    Water pressure is suppose to be around 18-20# (need to get a guage) with my PRV on the inlet water.
    Header water is coming in a bit early (1500-1700ish) need to rebuild the Bassett header t-valve.

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    Or Seth, either one Budweiser's Avatar
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    One trip out, a couple trips, an hour... How long does it take to milk the oil?

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    Senior Member rogerroost's Avatar
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    been on the hose lately?

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    I milked it once and thought it was reversion due to the header water coming in to early. I changed that oil, backed it in and let it idle for a good bit of time to allow the oil to get up to temp and possible boil off any remaining water in the system. Then it was normal use... run around the lake for a bit, stop and drink some beverages. Run around some more. Pull the kids on the tube. Run around some more. Stop for more beverages. Normal stuff.

    She's not been on the hose since being rebuilt 3 years ago. I do all my adjustment on the water.
    Last edited by LostOkie; 07-16-2012 at 12:45 PM.

  7. #5
    "Try it Now!" Tahiti Boss21's Avatar
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    what's the oil look like when you drain it? Black or white? My 455 olds of 30 years had milky crankcase oil and ran for years and years...but when i drained it the oil was still black. I turned the water down, changed the intake away from turkey tray, and got a new water pump backing plate which all helped but the milky stuff was always there in one way or another. I finally stopped worrying about it. Mine was mild case of the milkshake though.
    1992 Eliminator Daytona 21'

  8. #6
    Young & Dumb FrederickFTW's Avatar
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    Haha does it look something like this...
    Click image for larger version. 

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    Your not the only one!

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    Quote Originally Posted by FrederickFTW View Post
    Haha does it look something like this...
    Click image for larger version. 

Name:	IMG_2013.jpg 
Views:	95 
Size:	94.6 KB 
ID:	169224
    Your not the only one!
    That looks pretty minor to mine. There was whipped cream looking oil clinging to the bottom of the intake when I took it off a week after I put it on the trailer.

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    Senior Member ol guy's Avatar
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    Just a thought and something you might want to check but the olds motors have had ALOT of issues with the timing cover area like the fords and the first thought in everybodies mind is the head gasket! Water passes thru alot more areas close to the oil area than the chevys. Just a hint but might be worth checking. First check would be either a leak down or compression check before tearing down the whole motor? Mark

  11. #9
    "Try it Now!" Tahiti Boss21's Avatar
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    Quote Originally Posted by ol guy View Post
    Just a thought and something you might want to check but the olds motors have had ALOT of issues with the timing cover area like the fords and the first thought in everybodies mind is the head gasket! Water passes thru alot more areas close to the oil area than the chevys. Just a hint but might be worth checking. First check would be either a leak down or compression check before tearing down the whole motor? Mark
    x2, mondello sells a new timing cover area..and remember he's referring to the plate behind the cover..not the cover you see from the outside of the motor. Mine had pinholes in it.
    1992 Eliminator Daytona 21'

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    Quote Originally Posted by ol guy View Post
    Just a thought and something you might want to check but the olds motors have had ALOT of issues with the timing cover area like the fords and the first thought in everybodies mind is the head gasket! Water passes thru alot more areas close to the oil area than the chevys. Just a hint but might be worth checking. First check would be either a leak down or compression check before tearing down the whole motor? Mark
    I chacked this area and there is not any water entering the system in this location.
    I'm pretty sure that it is a blown head gasket.

  13. #11
    senior member turbo wog's Avatar
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    Quote Originally Posted by LostOkie View Post
    I chacked this area and there is not any water entering the system in this location.
    I'm pretty sure that it is a blown head gasket.
    you could have my problem, a cracked cylinder. i highly doubt it though.
    Last edited by turbo wog; 07-19-2012 at 09:34 PM.

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