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Posted by Jim_n_Texas [98.196.120.74] on Tuesday, February 15, 2011 at 23:29:41 :
In Reply to: Anyone here adding zinc to their oil? posted by Tim Holloway [69.54.28.229] on Tuesday, February 15, 2011 at 20:12:23 :
Rotella no longer adds zinc to the oil.
O'Reilly auto parts stopped selling zinc additive so they could sell "racing oil", containing zinc for "only" $5.00/qt. For my '42 I add zinc to the oil and marine grade sta-bil to the gasoline to counteract ethanol and its effects. (You can buy avgas without ethanol for "only" about $5.00/gal.-the octane is overkill, but no ethanol.)
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