What motor oil is high in zinc?

Valvoline VR1 Racing Oil: Contains 75% higher zinc than SN or SM motor oil with a balanced additive package designed to work in both racing and traditional applications.

Is Rotella good for flat tappet cam?

Products like our (AMO) 10W-40 and (ARO) 20W-50 gasoline-engine oils contain high ZDDP levels, and are perfectly suitable for flat-tappet cams. Shell Rotella TDesigned for the harsh environment within a diesel engine, Shell ROTELLA T has aptly earned the reputation as a high-quality, maximum-protection lubricant.

How much zinc is needed for flat tappet?

If we take the middle ground of Zinc levels as safe, this would suggest our flat tappet N* should have about 1200 PPM of Zinc and as low as 1000 should be safe as well.

How much ZDDP do I need for a flat tappet cam?

1,000 ppm ZDDP
After break-in, we recommend using an oil with at least 1,000 ppm ZDDP in a flat-tappet engine. That way, you’re providing your expensive engine with maximum protection against wear and horsepower loss.

Should I add zinc to my oil?

Do you need zinc in your car’s oil? It depends on how old your engine is and how you use it. A zinc oil additive will provide improved wear protection for just about any engine, and is an absolute necessity when it comes to older models, especially those with flat-tappet camshafts.

Does Rotella oil have zinc in it?

Most Shell Rotella engine oils, including T6 5W-40 Full Synthetic Heavy Duty Diesel Engine Oil, contain approximately 1200 ppm of zinc which will benefit older and high-performance engines.

How much zinc is in Rotella 15W40?

(The 15W-40 Rotella T with Triple Protection oil has approximately 1200 ppm of zinc and 1100 ppm phosphorus at the time of manufacture.)

Does Rotella oil still have zinc in it?

How do you make a flat tappet cam last?

Another way to assure good lubrication between a flat tappet lifter and cam lobe is to create a small hole in the bottom center of the lifter. This allows oil inside the lifter to dribble through the hole to maintain a thin film of oil between the moving parts.