![Do Older Vehicles Need High Zinc Motor Oil? Break in oil formulated to wear in new engine](https://syntheticwarehouse.com/wp-content/uploads/2018/05/cylinders-306x205.jpg)
Is an High Zinc Motor Oil really needed? John Baker|Aug 25, 2017 8:37 AM 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…
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