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Adding Zinc to Oil? Adding Zinc to Oil?
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Old 05-07-2012, 11:46 AM
kevins2's Avatar
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From what I've read, having high zinc is only half the solution. Modern oils have higher detergent levels. These detergents "clean" the zinc off metal surfaces. Accordingly, a zinc additive is ineffective. Oils like Joe Gibbs have lower detergent levels as well as higher zinc content.

So, if your engine will benefit from higher zinc levels, it is probably wise to use an oil formulated with it instead of trying to add it yourself.

Regards,

Kevin
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