Lubricants sold thru Mazda dealers?
 

First, let me say that yes, I've searched thru MANY oil threads on this forum. I may have missed it but none actually answered this question specifically.

If I were to go to a Mazda dealer and purchase say 4 or 5 qts of 5W20 and an oil filter... What kind of oil would they sell me? Would it be Motorcraft 5W20 or a Mazda brand (Finish Line?) or some name brand stuff or other? And would it be dino, blended or synth?

There is some info on motorcraft.com but Mazdas own site offers diddly on Mazda products like lubricants... thus my question.

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Also what kind of lubricants does Mazda spec for the Rx7s gear boxes?

4 speed automatic (Mer?)

6 speed manual (ATF?or GL4?)

Differential both w/ and w/o LS (GL5?)

Powersteering(Mer?)

And do they also sell those lubricants as well or not?

thanks,

Another related question...

Does Mazda possibly use any sort of 'special' break-in oil as factory fill on the Renesis?

If so perhaps it's important to leave it in for the full recommended initial interval period - no more, no less...?