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Is this bad?

Discussion in 'Chicago' started by JohnnyS, Apr 6, 2011.

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  1. JohnnyS

    JohnnyS F1 World Champ
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    Oct 19, 2006
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    John
    #1 JohnnyS, Apr 6, 2011
    Last edited: Apr 6, 2011
    In the fall I changed the oil and filter for my 328. So it had clean oil over the winter. The oil was a mixture of what I had on the shelf. Let's see.....Mobil 1 (5W30), Castrol (10W30) and a little Castrol (5W30). I ran on it for about 15 miles then put the car to bed for the winter. Now this spring comes and so I change the oil again and put in Rotella T6 (5W40) synthetic oil and take the car for a nice drive. After that I park in the garage and after 3 days, no oil drips on the floor from the cam seals where there would normally be a spot about the size of a silver dollar.

    Question: Is this a bad sign? Have I lost my automatic rust inhibitor distribution system? Do I need new cam belts to fix this?
     
  2. Michael B

    Michael B F1 Rookie
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    Apr 28, 2004
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    #2 Michael B, Apr 7, 2011
    Different oils all have different seal swell properties. I would guess that you stumbled on the perfect concoction that your particular engine works well with. If you could bottle the formula you could be a Billionaire.

    Ready yourself for it to seep again in the future.
     
  3. TwinOne

    TwinOne Formula Junior
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    #3 TwinOne, Apr 7, 2011
    Jeez John, I'm not sure I'd put that combo in my lawnmower :p
     
  4. Chelle

    Chelle Formula 3

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    #4 Chelle, Apr 8, 2011
    I'm reminded of the joke about how you tell when a Harly needs oil added, it stops leaking..

    you did check that it didn't all leak out on your short drive didn't you?
     
  5. JohnnyS

    JohnnyS F1 World Champ
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    Oct 19, 2006
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    #5 JohnnyS, Apr 9, 2011
    LOL, no I didn't check because I had just added 8 qts and checked before the drive. Besides the oil pressure gauge acted normally so there was oil in it.
     

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