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Thread: yellow scum
          
   
   

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  1. 03-08-2004 10:02 PM #1
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    jayman54
    jayman54 is offline CHR Member
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    Question yellow scum

     



    I took the timming cover off and theres this yellow scum on the inside of the timming cover and i could see it in the oil pan to...
    i fired it up a few times over the winter i was maybe thinkin it was moisture??? i'm running valvolene synthetic maybe that it i dont know...
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  3. 03-08-2004 10:25 PM #2
    76GMC1500
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    Gas usually leaves a yellow scum behind when it evaporates. Does your oil smell like gas?
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  4. 03-09-2004 12:13 AM #3
    76GMC1500
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    I wouldn't know, I can't get Sunoco fuel in California.
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  5. 03-10-2004 04:10 PM #4
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    chevy 37
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    Its probably gas if its yellow. If it was water in the oil, it would be white.
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  6. 03-10-2004 04:21 PM #5
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    pro70z28
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    Originally posted by Streets
    Does Sunoco leave a Blue scum then???
    BP .....Green.......?????
    Beyond Petroleum ......... British Petroleum
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