what kinda oil should i use for my 1990 mazda rx7?
I purchased it used and I want to start off right, some say mineral oil, some synthetic and others say regular motor oil is fine. please help. good brand and any other details _W_
I purchased it used and I want to start off right, some say mineral oil, some synthetic and others say regular motor oil is fine. please help. good brand and any other details _W_
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