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Old June 15th, 2012, 12:26 AM   #19
Coyote Red
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Originally Posted by madscience View Post
if i do the 50/500/etc mile oil changes, do i add zinc each time, or just inititially?
With flat tappet cams like, that each time. Brad Penn and Mobile VR1 come with zinc already mixed in. I run Brad Penn in my 1986 300-6 block.
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