Quote:
Originally Posted by caymandive
BTW Mobile 1 10w30 synthetic has been in my car since it's first oil change.
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Any reason you aren't following Lexus' viscosity recommendation? Owner's manual and oil cap say 5W30, TSB006-06 revised that to 5W20.
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2006 IS350, Crystal White/Black, LT, NV, PA, HW, Z1
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