New CX-30 engine break in mileage?

I work in automotive service at a GM dealer. My plan is to do an oil change at around 1000 miles, and another when I get to 5000 miles, then every 5000 afterwards. The question I've been wrestilng with is...what oil to use? Idemitsu? Pennz Ultra? Mobil-1 (my usual go-to)?
Here is the best oil I've used: Bio-SynXtra Passenger Car Motor Oil

Try Pennzoil.

1000 miles is too soon to drain the factory oil. Try 3000 miles.
 
My $0.02.
You ask 10 different people, you'll get 11 different answers on this subject.

I think it's a good idea to do the first oil change a little earlier. No matter how well the engine is cleaned and assembled, there will always be extra 'wear' early in the engine life. Parts mating together, small metal fragments/burrs, dust/debris, material left behind after cleaning.....etc. These are mass production engines, it's not going to be a Bugatti quality engine build.

Do you need to drain it at 500-1000 miles, most likely not.
2-3000 miles is reasonable.
 
I also think fuel dilution will be greater in the beginning before the rings fully seat. I'm doing my 2nd oil change this weekend so I'll compare the oil analysis to the one I did one year ago to see if there is a reduction (corrected for miles driven).
I was right. Here is the oil analysis from my 2nd change. I feel good about my choices.

 
I was right. Here is the oil analysis from my 2nd change. I feel good about my choices.

Thanks guys, I'm now getting 30 on the highway and 24 combined, perfectco!
 
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