what oil weight should i go with?
so i bought my car a month or so ago and want to change the oil, get some fresh stuff in her....the previous owner was using german castrol 0w30 but i cant find it ANYWHERE would it be ok to switch to RP or M1 5w30? the car has heads/cam if that makes a difference....i just dont want to put the wrong stuff in her and mess something up....will i be ok switching to royal or mobile 5w30 or 5w40?
thanks guys
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