As a super expert who has developed motor oils, only a 60k mile engine teardown, borescoping, analysis, and conclusive report can answer these questions.
If you are going to honestly show your oil receipts to Ford or an oil company if you have a warranty problem, then of course you can't use an oil that is not approved by Ford. The Ford stamp of approval exists to help you as a consumer.
The Honda OLM has been proven to work perfectly. Every study has shown that extended OCIs work. There are NO studies supporting short OCIs for synthetic oil. No idea why dinosaurs would give you wrong advice telling you to change it at the same interval used 50 years ago!
Of course a couple of months doesn't matter. I would never use a boutique brand oil in an expensive car engine, because they won't pay on an oil claim. That means redline, amsoile, hpl are out. If your car qualifies on a major US oil co. warranty, I'd use their oil. The main thing is: don't...
"In some of the variable valve timing (VVT) engines and V-type blocks, oil clearance is critical to get the proper operation of the VVT." -enginebuildermag. To get the correct oil clearance, USE ONLY a premium grade 0W-20 detergent oil (in all weather conditions) with an API seal on the...