Sonata 2.4 / nice day for an Oil Change

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Originally Posted By: dblshock
course 40 is twice a 20.


It means very little. The protection is there for most people. Run what you like.
 
A few notes after 300 miles...

The good: The car idles and runs very smoothly unless under hard acceleration (see below). Normal driving is fine.
The bad: The car is noticeably sluggish under hard acceleration. It always feels like it's in Eco mode.
Not sure: Unless it's a gross difference, i don't know if i've taken an mpg hit.

The sluggishness may come from the fact this oil has a 3.7 HTHS? I don't know, but the performance difference is very noticeable.



 
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