![Ask Away! with Jeff Smith: Can I Mix Zinc Additive with Off-the-Shelf Motor Oil to Save Money? - OnAllCylinders Ask Away! with Jeff Smith: Can I Mix Zinc Additive with Off-the-Shelf Motor Oil to Save Money? - OnAllCylinders](https://www.onallcylinders.com/wp-content/uploads/2020/12/07/Small-Block-Chevy-283-V8-Engine-Break-In-Oil-ZDDP-scaled.jpg)
Ask Away! with Jeff Smith: Can I Mix Zinc Additive with Off-the-Shelf Motor Oil to Save Money? - OnAllCylinders
Speedway Motors - Which brands have ZDDP? Our new ZDDP oil chart lists all conventional, synthetic, and diesel oil zinc content. Easy reference to buy the right oil for your engine! See
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