lucky phil
Well-Known Member
Well...I must admit modern engines are pretty well cleaned during assembly but I still change the oil and filter these days at 1000klm. This is the point of the greatest wear materials in the oil short of a failure of some sort. Why not spend the 100 bucks and flush them out? On the engines I build myself the oil gets changed way earlier than that at around 200klms and I use break in oil. My build clearances for road engines are just the same as any production engine but my tolerances are tighter.There is no way reason to change the oil till next service, it’s a modern vehicle, and it’s synthetic oil. When I changed mine at 5000 It looked brand new. No darkening, nor was their any debris.
There seems to be a "it's a modern engine" myth around these days like nothing can go wrong or they are some version of perfection. Then your friend that works at GMs test cell tells you about "his day at work" testing random engines out of a batch of a few thousand for oil consumption and power output that came out of production with oval bores. Looking to see if they can be used in production cars or they need to be scrapped. Or you meet the crew from the factory travelling the world on a factory campaign to correct a major production issue. The US for a few months, then Australia and onto south east Asia. stripping engines and carrying out remedial work on a world wide recall. The "it's a modern anything" doesn't mean much in my world believe me.
Phil
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