Best engine oil for 3sgte?? [Archive] - Toyota MR2 Message Board

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Doing the first oil change for the 2, what oil should i go with?? I just did redline mt90 in the tranny last night and am wondering should i do synthetic in the engine as well? I heard somewhere that if u put synthetic oil into an engine that never had it, it could mess up the engine?? Idk, what u guys recommend? The car has 93k miles. Thanks