1. Den67

    Den67 New Member

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    Thinking of using mobil 1 10w30 synthetic oil in my dart. Checked the zinc content 900ppm . Is that sufficient . Engine is mild street build.
     
  2. QuickDart360

    QuickDart360 Well-Known Member

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    Probably if spring pressures are not high. Valve springs that is. However, that amount is kind of below what the ideal recommended amount of zinc should be. It would be safer to run a dedicated high zinc oil like valvoline VR-1, Shaeffers oil, Driven oil, or Brad Penn now Penn grade!! Not much more expensive just may need to be ordered from a supplier.
     
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    • Den67

      Den67 New Member

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      Ive been running a valvoline vr1 20w50 . Seems the viscosity is a little high . What are you running for viscosity in your 360?
       
    • jazak5

      jazak5 Well-Known Member

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      15/40 shell synthetic rotella T6 diesel in my mild( 340) seems to like it and I have been monitoring my oil filter(attached magnet/cutting open) to look for signs of tappet /cam problems , 2yrs nothing

      . (The 15W-40 Rotella T with Triple Protection oil has approximately 1200 ppm of zinc and 1100 ppm phosphorus at the time of manufacture.) per wikipedia/shell

      it's on wally world shelves and a good price
       
      Last edited: May 14, 2020
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      • Steven190

        Steven190 FABO Gold Member FABO Gold Member

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        I use Valvoline ZR 1 10w-30, it has the zinc content we are looking for.
         
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        • stroked340

          stroked340 FABO Gold Member FABO Gold Member

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          Joe Gibbs 10/30 racing oil..
           
        • ch1ll

          ch1ll FABO Gold Member FABO Gold Member

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          why take a chance with off the shelf oils? call Amsoil. they have oil for every application and warranty your motor if failure is oil related. best money oil can buy.
           
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          • QuickDart360

            QuickDart360 Well-Known Member

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            I'm old skool. Run 30wt straight here in Texas it's toasty most of the year! Been running VR-1 before. Now will try Shaeffers 30 race oil and may give Brad Penn a try in the future.
             
          • Den67

            Den67 New Member

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            Difficult in the great white north Canada) to find suppliers of amsoil given that we are fairly close to Wisconsin.
             
          • jazak5

            jazak5 Well-Known Member

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            DownloadDocumentImage.png


            I'll stick to my rotella / I dont road race or drag it(Yet) or spin 7000 + but when the 408 goes in I might...
             
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            • mderoy340

              mderoy340 Well-Known Member

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