Question about 1999 Lexus Gs 300

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What synthetic oil is the best one to get for my 1999 lexus gs 300

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AMSOIL or Mobil 1 synthetic oils. Either one. AMSOIL claims to be the best but...in order to meet the standards "all" manufacturers of synthetic oils have to have the minimum oil content mixture to achieve the quality standards.

SJ or SL or ILSAC 5W-30 is the manufacturers recommended engine oil.

Posted on Jun 15, 2010

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Use Royal Purple!!! You can go 2 oil changes

Posted on Jul 30, 2010

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This is actually just a matter of opinion i bet if you asked 1,000 mechanics if you have all major brands listed and why one better than the other
actually if u stay away from cheap generic brands and stay with the name brand oils their all basicly the same (if we taking just regular synthetic) (sure u have your high millage , break in , oil advitives etc. )
as long as you use the right grade oil (5w-30 in your case) u will be fine btw your motor can't read labels and wont be able to tell one brand from another
oh but u do have one more choice that you half to decide

  • Regular oil
  • synthetic blend (it a mixture of regular and synthetic ) better than regular oil
  • Full synthetic (synthetic oil only) Best oil but also more expensive (What i recommend )

Posted on Jun 18, 2010

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SOURCE: what kind of motor oil is best for my 1999 lexus

stick with what the owners manual tells ya, if in doubt conttact lexus, best way to go

Posted on Mar 30, 2010

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