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    Author Topic: Suggestions for the "best" oil w/ zddp.  (Read 2185 times)

    Offline 70 RAG TOP

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    Suggestions for the "best" oil w/ zddp.
    « on: May 19, 2015 - 11:11:36 PM »
    I need to change my Break-in oil and am conflicted on the best oil to choose?
    I saw on line some guy who did some tests with a bunch of different oil companies and gave the PSI values of each oil and the amounts of Zinc and phosphorus in each oil. I thought I had narrowed it down to either the brad penn 10w30 or the Amsoil Zrod 10w30.  There were several comments from other people, that only made me more confused and less sure of the best oil to go with.
    I used comp cams break-in oil.  I search on the forum for a discussion on this issue but didn't find anything.
    Would appreciate any suggestions / experience on this matter
    Thanks
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    Mike


    Offline cudabob496

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    Re: Suggestions for the "best" oil w/ zddp.
    « Reply #1 on: May 19, 2015 - 11:40:52 PM »
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    Offline 4Cruizn

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    Re: Suggestions for the "best" oil w/ zddp.
    « Reply #2 on: May 19, 2015 - 11:46:48 PM »
    Are you running a flat tappet cam?   :dunno:
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    Offline 70 RAG TOP

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    Re: Suggestions for the "best" oil w/ zddp.
    « Reply #3 on: May 20, 2015 - 03:07:17 PM »
    Yes I am running a flat tappet cam
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    Mike

    Offline roadman5312

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    Re: Suggestions for the "best" oil w/ zddp.
    « Reply #4 on: May 20, 2015 - 03:12:06 PM »
    Been using Valvoline VR1  20/50 forever, never a problem.   :2cents:
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    Offline BIGSHCLUNK

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    Re: Suggestions for the "best" oil w/ zddp.
    « Reply #5 on: May 20, 2015 - 04:08:20 PM »
    Quote from: roadman5312 on May 20, 2015 - 03:12:06 PM
    Been using Valvoline VR1  20/50 forever, never a problem.   :2cents:
    :grinyes: BIGS too!
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    Offline aris_unlimited

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    Re: Suggestions for the "best" oil w/ zddp.
    « Reply #6 on: May 21, 2015 - 08:24:39 AM »
    I just put in mobil 1 15w50. Says right on the back it has zinc added. The reason I chose that above the others is it was the only one I could find local.
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    Offline dpcd67

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    Re: Suggestions for the "best" oil w/ zddp.
    « Reply #7 on: May 24, 2015 - 09:53:08 PM »
    I use pennzoil, standard 10W30, with Lucas zinc additive. 
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    Offline djw383

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    Re: Suggestions for the "best" oil w/ zddp.
    « Reply #8 on: May 24, 2015 - 10:54:22 PM »
    Spectro with zinc already in it, I was told full synthetic and zinc don't work well together.
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    Offline bc3j

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    Re: Suggestions for the "best" oil w/ zddp.
    « Reply #9 on: May 25, 2015 - 11:52:29 AM »
    Joe Gibbs HR2 10w30 conventional oil.
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    Offline gafletch

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    Re: Suggestions for the "best" oil w/ zddp.
    « Reply #10 on: May 31, 2015 - 08:23:05 PM »
    We used Valvoline racing oil plus a zinc additive to break it in. After that just the racing oil.
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