Thank you for your feedback. Appreciate your in-depth knowledge regarding the subject. Although it is very true that break-in periods have shrunk relative to the past, the fact checks out that first car users still need that interval. Otherwise, car manuals would not state the precautions for the early life of the new born. As mentioned in the above, one of the biggest issue is the expansion of cylinder ring and if the bore is not smoothly flattened out, there's a great chance of damage.

However, I understand your point regarding the topic and I find it intriguing. Your insightful expertise adds more value to the post and also adds extra layer to my knowledge as well.

Thanks!