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Thread: What's the best oil?

  1. #121
    Delorean Guru
    Join Date:  May 2011

    Location:  Northern NJ

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    The levels of zinc were lowered to increase the functional life of the catalytic convertor. They want them to last over 100,000 miles. So, unless you have that many miles on your car using high zinc motor oil it is a non-issue. The good news is that if the car was started on a high zinc diet (as most cars of this era were) the metal gets conditioned and seems to be OK with a low level of zinc now. The other choice is to use a low zinc oil and add some kind of additive that purports to contain ZDDP. That gets tricky because you really don't know how much you are adding. Too much of a good thing can be bad. Get the best premium oil you can and change it every 5,000 miles or once a year.
    David Teitelbaum

  2. #122
    Member
    Join Date:  Feb 2017

    Location:  Madison, MS

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    My VIN:    3455

    I have the island twin-turbo setup; does this make a difference as to which oil I should use?

  3. #123
    Delorean Guru
    Join Date:  May 2011

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    Yes it does. You should be using a synthetic oil, it can handle the higher temperatures and not "coke". It should be changed once a year or 5,000 miles along with the oil filter.
    David Teitelbaum

  4. #124
    Senior Member DMC-81's Avatar
    Join Date:  Apr 2014

    Location:  Florida

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    Quote Originally Posted by DMC-81 View Post
    So, I changed my oil today with Valvoline VR1. I made a typo on the part number above. It is VV211, not VV221. Sorry about that.

    Attachment 40932

    Attachment 40934

    I use a piece of aluminum foil against the frame next to the drain plug, and below the oil filter to save myself from having to clean the old oil off of the frame and engine.

    Attachment 40933

    I have also discovered that you need to pour each quart slowly as it's very easy to overflow the filler neck.

    Attachment 40935


    Cheers,
    I changed my oil again today and wanted to advise that the label for Valvoline VR-1 20W50 has changed somewhat. It is still in the silver bottle, but now the packaging includes some blue coloring including the cap:




    So far so good with this oil.
    Dana

    1981 DeLorean DMC-12 (5 Speed, Gas Flap, Black Interior, Windshield Antenna, Dark Gray)
    Restored as "mostly correct, but with flaws corrected". Pictures and comments of my restoration are in the albums section on my profile.
    2006 Dodge Magnum R/T (D/D)
    2010 Camaro SS (Transformers Edition)

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