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Old 05-10-2004, 03:27 PM
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351 Cleveland Milky Oil

Anyone know where ALL the possible entry points for water to mix with the oil are on a 351 C?
I already replaced my head gaskets and intake gasket, but the oil is still milky.

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Old 05-10-2004, 03:57 PM
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How old is your engine? I have heard of them leaking through the cylinder wall pores and getting mixed with the oil. I think it is a condition called perosity.
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Old 05-10-2004, 03:57 PM
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could be a crack in the block. thats BAD!
the cleveland intake does NOT have water passages so i do not believe thats your problem.
did the old head gaskets show any signs of leaks ? the heads could be warped enough to let it leak after it gets up to temperature. are you positive the heads are torqued correctly? it sounds like it could be major overhaul time, have the block sonic checked. sorry to send you bad news. i hope you find an easy fix,good luck.
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Old 05-10-2004, 04:26 PM
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The engine is from a 70 Galaxie (it's in my 69 Xr7 cougar), and was "professionally" built about 10 years ago. From the mass amount of mixing in such a short idling time (I only ran it about 15 minutes max after I put the new head gaskets in), I have my doubts that water will permiate the cyclinder walls so quickly, if at all.

The heads were machined before I replaced them. I followed the torquing instructions, so it should be fine; however, I do suspect that my torque guage may be out of calibration.

Can water mix with oil around the water pump, timing chain area?
Are there any gaskets in there?
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