What Race Oil do you trust?

[SSDiv6]

Originally Posted by RPM5595

So what is it about break in oil that is bad to use full time? What was the cause for the bearings going away? If the break in oil is better for initial run in how can it be worse for normal operation? This makes no sense to me.

Seen 3 engines damaged due to extended use of break-in oil. One Comp Eliminator engine, 1 Super Stock engine and 1 bracket racing turbo engine.

The formulations are completely different with a specific intent. One of my friends who ran a NASCAR shop, was a neighbor to Joe Gibbs when he developed his line of break in and racing oils. He witnessed the development of the different oils and each oil has an intended expected outcome. As a matter of fact, those oils were a special formulation created for Joe Gibbs by Lubrizol.

These two articles go more in depth of the differences and the reason for break in, street and racing oils.

https://www.enginebuildermag.com/201...s%20of%20ZDDP.

https://www.enginebuildermag.com/202...t-vs-race-oil/