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  • 3 Post By firebird77clone
  • 1 Post By techinspector1
  • 1 Post By jerry clayton
  • 1 Post By 34_40

Thread: Water in oil
          
   
   

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  1. #1
    Beard1976 is offline CHR Member Visit my Photo Gallery
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    Water in oil

     



    I have a 85’ Chevy Silverado with a 327 in it. Its bored 0.060 over. Steel heads that have been ported n polished and shaved. Alum intake. 11.5:1 compression pistons. Problem: truck started skipping at high RPM. Other than that it was fine. Diagnosis was 3 lifters collapsed and wiped 3 lobes on cam. Fixed that with new cam/lifters. Now every since the cam swap, im getting lots of water in my oil. Pulled intake resealed with silicone and still getting lots of water in the oil. None of this was happening b4 the cam replacement. It gained 3.5” of water in the oil over night. (Measured it on the dipstick) All test performed are negative for blown headgasket except the block test (one with the blue liquid in the tube that u stick in the rad cap hole). It turned yellow/green indicating exhaust fumes in the coolant aystem. Just puzzling. All i did was remove the intake to replace the cam/lifters. Now im flooding my oil w water, and a lot of it! Any suggestions???

  2. #2
    firebird77clone's Avatar
    firebird77clone is offline CHR Member Visit my Photo Gallery
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    Rebuild it proper.

    Tear it down to the last nut and bolt and replace any part that has wear.
    .
    Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.
    EG

  3. #3
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    techinspector1 is offline CHR Member Visit my Photo Gallery
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    Quote Originally Posted by firebird77clone View Post
    Rebuild it proper.
    Tear it down to the last nut and bolt and replace any part that has wear.
    Exactly what I was thinking.
    .
    NTFDAY likes this.
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  4. #4
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    34_40 is offline CHR Member Visit my Photo Gallery
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    To gain that much water in the base, there's a cracked head / head gasket / cracked cylinder I would think. After the cam & lifter damage there's a bunch of fine metal floating (or floated through) the engine interior. It surely made it into the cam, main and rod bearings and is probably causing wear to those parts every time it runs. I'd agree with the others, time to disassemble it, clean everything and have the block and heads tested for cracks.

  5. #5
    jerry clayton's Avatar
    jerry clayton is offline CHR Member Visit my Photo Gallery
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    Do a cylinder leakage test and also pressurize the entire cooling system for a couple hours and see if you have any coolant in any of the cylinders-with plugs out from leakdown test you can now just crank engine over watching for spray out of spark plug holes-----after you verify where the problem is, then start your rebuild----if this engine was just rebuilt you won't need new pistons but will bearings,etc-------does the aluminum intake match the head choice???????
    Dave Severson likes this.
    By popular opinions-just a grumpy old man key board bully--But really, if you are going to ask for help on an internet site, at least answer questions about what you are asking about-----

  6. #6
    Beard1976 is offline CHR Member Visit my Photo Gallery
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    Yeah motor was professionally built about 10 yrs ago. Intake is matched to the heads. Motor probaly only has about 5000 miles on it. Gonna do some pressure testing on it tomorrow and then start tearing it down this wknd. Will let yall know what i find. Thx for all the replies.

  7. #7
    Beard1976 is offline CHR Member Visit my Photo Gallery
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    Got the heads off. Should i be able to see where/if the head gasket is blown?

  8. #8
    jerry clayton's Avatar
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    Did you do any pressure testing? Results???
    By popular opinions-just a grumpy old man key board bully--But really, if you are going to ask for help on an internet site, at least answer questions about what you are asking about-----

  9. #9
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    Quote Originally Posted by Beard1976 View Post
    Got the heads off. Should i be able to see where/if the head gasket is blown?
    "IF" a gasket was really bad, and you knew what to look for. Then yeah, probably. Did you try and push water with pressure into the motor? You could've isolated the problem into a cylinder (or 2)...
    cffisher likes this.

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