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Thread: ZDDP questoins
          
   
   

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  1. #8
    paul274854 is offline CHR Member Visit my Photo Gallery
    Join Date
    Mar 2005
    Location
    Midland park
    Car Year, Make, Model: 48 Ford Conv,54 Ford Vict
    Posts
    193

    Any DINO oil that is 40 weight or higher has enough ZDDP. 10/40, 20/50 and 15/40 (diesel oil) are good choices. I use both Rotella T (diesel) 15/40 and Castrol GTX 20/50 in my flat tappet engines with no problems.

    For break in, I used GM EOS (me being a Ford guy) for extra protection. The Lucas and Comp Cams stuff is probably just as good.

    Personally, I wouldn't use racing oil unless it is specifically marked for use as a regular oil because of different additive packages.
    Last edited by paul274854; 02-01-2011 at 06:49 PM.

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