New Vehicle Oil Choice

Honda dealership website:
https://www.invergrovehonda.com/honda-maintenance-minder-system/#:~:text=change it early?-,A: No.,applied to specific engine components.

Q: My Honda is equipped with Break-in Oil, should I change it early?

A: No. To ensure the proper engine break-in, the factory-fill oil needs to remain in the engine until your first maintenance interval. The only difference between the factory fill oil and the Honda replacement oil is the Molybdenum lubricant that is applied to specific engine components.

They say specifically that the factory oil is the same as the Honda replacement oil.

Assembly lube does its job in seconds. Not minutes, not hours, and certainly not thousands of miles. Othewise, why doesn’t Honda replacement oil contain these critical break-in lubes? Are we supposed to believe that break in is occurring for 5000 miles but magically ceased at the 5001st mile?

While it’s almost never necessary to change the oil early, there is absolutely, positively, zero harm to doing so and quite often there is some benefit.
 
That’s as accurate as this. Maybe 15 years ago.

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Meh, that's still true in a sense. I checked a recent civic owner's manual and Honda recommends 0w-20. Most commercially available 0w-20 is synthetic, but not all. They say you can also use synthetic, but nowhere is it recommended to use synthetic.

But still, the critical question is will it impact the maintenance minder and the answer is still no.
 
go look at the recommended specs and approvals along with considering the startup viscosities and also the CCS and MRV , and CST like the published 40c & 100c operating temps, at estimated viscosity's, ,much of a engine's wear can be at starting oil flow (faster is better) at not only cold (winter) temps but , the running (warm) viscosity does also have a bearing on the fluidity of the lubricant , in regards to this, Euro oils maybe higher in this event in relation to only the European engine specifications ( ACEA gas and diesel) ,,, higher may not be better for example in Asian and USA( GASOLINE ENGINES),,, , thus a lower operating viscosity may and have a overall positive effect, on VVT and other functioning engine components. Plus the MPG configurations and other requirements. in other words higher EURO, ACEA and others viscosities may not be in the best interest to all GASOLINE engines.
 
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Nevermind….

It’s like campfire stories. No one knows where they began but they keep getting better and better.
 
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Brought my wifes denali home from the dealership and immediately changed the oil to 5w-40 castrol edge euro a3/b4. On the second oil change now and it has Mobil 1 dexos-r 0w-40 in it. I dont put water oil in anything I own.
 
I’ve only had engine problems with one vehicle in my life: a 2014 Town and Country. The CARFAX showed all OCI’s until I bought it were when the OLM told them to do it.

My Wrangler was treated the same way, as it was a lease, which makes me nervous, but it was 7500 miles rather than the vans 10,000 mile OCI’s

I changed my Sienna at 1000 miles to be sure the engine was clean of wear metals.

Well, I kind of lied. The 2.5L in my 1995 YJ lost compression at 255,000 miles.
 
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