5w30m or 10w30
#41
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I agree with using Full synthetic on High performance engines... In my dads Rusted 80's Chevy farm truck that redlines at 4800 rpm I would say conventional oil does the trick. But on my TL-S constantly running high revvs, I want an oil proven to not breakdown with friction. The molecules of conventional oil are irregular in size and shape... Unlike full synthetic.. but thats my opinion on my car.
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