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Home » Uncategorized » Check out (Do Older Vehicles Need High Zinc Motor Oil?) on National Synthetics …

Check out (Do Older Vehicles Need High Zinc Motor Oil?) on National Synthetics …


Check out (Do Older Vehicles Need High Zinc Motor Oil?) on National Synthetics http://bit.ly/2vdfyZC

Thanks to Hugh Ashburn for asking this question on our Facebook page. I assume when you say “older,” you mean a classic car or hot rod with a flat-tappet camshaft. Compared to their roller-cam counterparts, flat-tappet cams undergo sliding contact rather than rolling contact. This results in increased friction and, potentially, wear. Added wear can
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