Quote:
Originally Posted by Marrk
The only thing we know for sure is that some manufacturers, like Honda, advise in the Owner's Manuals of their vehicles not to change the factory oil until the first service (usually 7,500 miles). My question is: Why? Is it because the factory oil is special in some way? Is it because the factory does not want some eager beaver new owner to swap in fully synthetic oil too early in the life of the engine?
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If I remember correctly, the BRZ owners manual says nothing about changing the oil after the break in procedure, so I'm assuming they either don't care or they assume people won't change it till the first normal service at 3,750 miles.