Quote:
Originally Posted by curves2000
Of course oil's are a little better, nobody is doubting that. I have used synthetic oil in a lot of cars for a long time but how much better are they really compared to ones 10-15 years ago of the same brand/viscosity?
If we take 4 cylinder and V6 Honda's and Toyota's of which there are tens of millions of them around. A lot of them called for conventional or synthetic oil. 10W30, 5W30, 5W20 and called for approx 6k km's oil change intervals under what the majority of people would be severe conditions.
Fast forward to more modern Honda/Toyota cars with minor modifications to their engines as the engine family's are not radically different. Now all of a sudden it's a thinner oil viscosity and a 16k oil change interval. There have been some changes in oil/engine tolerances for sure but is it 250-300+ % ?
Anyhow people are free to maintain their cars as they see fit.
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People should maintain their cars according to the recommendations of the people that know how the cars were designed.
Hate to say, but you’re talking out of your arse a bit. A 2010 (15+ years old) V6 Toyota 4Runner has a 16k/12 month oil change interval. This isn’t a new thing and certainly hasn’t changed in the last 15 years (other than more vehicle being designed for this I guess?). You’re free to look up the manual online. Toyota makes them available.
As far as Special Driving Conditions, I don’t think most people spend the majority of their time driving in them (as that is what they refer to). Those were 5k/6 months… and those are still 5k/6 months today.
Look up 2015, 2020, and 2025 while you’re at it. It hasn’t changed. And in both cases, it’s whichever comes first (months or km).
One of the best resale value vehicles on the road, btw.