oil with out zink

[KULTULZ]

Originally Posted by JeffB2

And since the Rotella subject came up again maybe this might clear up a few things. https://www.youtube.com/watch?v=0Ml6vDdt2ig

You will never wake them up Jeff. Just like brakes and hydraulic valve-train adjustments.

When an oil is rated for HEAVY DIESEL, it has no business in a PASS CAR gas engine. At one time many many years ago, it was the necessary go-to but the industry has come out with new and better for older cars while skirting regulations.

[pismo10]

The classic oil discussion. Everyone use different oils and has no problems so they feel theirs is the Magical oil...What it really means is they are all good and it makes extremely little difference.

[Gene F]

I wanna ask something. Break=in oil is not all that much more expensive than the exotic oils, and / or additives. What about just using break-in oil all the time? Most collector cars only get less than 1,000 miles per year, and get changed every season.

[KULTULZ]

Originally Posted by Gene F

What about just using break-in oil all the time.

Break-in oil is different from regular motor oil because, by design, it is supposed to allow the rings to wear down the peaks on the cylinder wall to form a good seal. Regular motor oil, in contrast, is designed to prevent wear.

SOURCE - https://blog.amsoil.com/why-you-shou...rts-equipment/

Oils have differing purposes (especially in today's industry). It can become confusing. Break-in oil will not/may not contain detergent/dispersing agents either, the same with RACING OILS. You have to read what the oil intended usage is.

[KULTULZ]

What it really means is they are all good and it makes extremely little difference.

Well, that may be true to a certain extent. Differing oils are blended for specific applications. You research and choose an oil (or any lubricant/chemical) on what you car needs basis and hope for the best.

[rotorwrench]

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The "break in" oil that is used in aircraft engines is straight mineral oil with no additives. I don't think a person with a high performance engine would want to use that. I've never used any straight mineral in a liquid cooled engine.

[KULTULZ]

The facts concerning BREAK-IN oils -

https://www.amsoil.com/p/break-in-oil-sae-30--brk/

As with a RACING OIL, it is not meany for general driving.