But it is not recommended exclusively the way Honda and Ford do in the US.
5-20 in stinky hot weather
- Thread starter Kelton
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I didn't know the smell of the air........oh forget about it....
I just read this thread. I guess I need to keep up better - we got the Amsoil API thing BAM right in the middle (yes the XL 5W-20 is down graded and formulation API controlled to wear the API donut) and we got 20W-50 for Hondas.
I, too would be at first tempted to not use a 5W-20 - oh my gawd - TOO THIN!! But honestly the used oil analysis, including Amsoil, of 5W-20's look pretty darn good regardless of outside temperature. I think it's just a matter of time before 5W-20 is more worldwide.
I certainly wouldn't put conventional 20w50 in any new car unless it was required.....hmmmm.....
How many of us have seen junked cars which have had oil related engine failure?
I haven't seen one.
Could it be that even if the 5W-20 is not as good for the engine as 5w30, the difference is still miniscule to cause an engine failure.
And could it be that the benefits of running 5W-20 (savings due to better gas mileage, less pollution) far outweigh the shortcomings (increased wear numbers in UOA) for the average autimobile owner?
I haven't seen one.
Could it be that even if the 5W-20 is not as good for the engine as 5w30, the difference is still miniscule to cause an engine failure.
And could it be that the benefits of running 5W-20 (savings due to better gas mileage, less pollution) far outweigh the shortcomings (increased wear numbers in UOA) for the average autimobile owner?
This is the implicit argument used by the auto manufacturers I'm sure. Kinda of an 80%/20% rule. If you're in the 80%, don't worry about it and use the manufacturer's/EPA/CAFE based recommendation. Of course, makes you wonder what the 80% is.
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