Question about 1999 Lexus Gs 300

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What kind of oil can i use in my 1999 gs 300 is synthetic oil better or jus use regular oil which do u perfer?

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Synthetic oil is better than carbon based oil because it is cleaner,lasts longer,more efficient & wont leave carbon build up like conventional oil. But if you ran regular oil for quite awhile, your engine will have carbon build up. Synthetic oil breaks up the buildup. That is good. Bad thing is sometimes that buildup is keeping you from leaking or burning oil. If you switch to synthetic oil keep an eye on oil consumption. If you start using or leaking it out of gaskets or seals, you will need to get it out & put in regular oil. If not, you can go longer between oil changes & your engine will run more efficiently for a longer period of time.

Posted on Jun 15, 2010

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I use synthetic and change oil every 5000 miles,its better oil and better for your engine.

Posted on Jun 15, 2010

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Can I use synthetic oil in my 1994 lexus ES300? If so what kind would you recommend?


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


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What kind of motor oil is best for my 1999 lexus gs 300


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Hi - I wanted to buy oil for my 94 landcruiser and was wondering what kind I should get. The manual recommends 10W30, but I can not find whether it should be synthetic or not?


Of course synthetic is better, but it seems to me that regular oil is fine, and you need to change is often enough to get rid of water and acids, so that you don't really need synthetic.
Personally I also prefer 10W40, because it holds up better on heavy wear, like on the camshaft. But 10W30 gets slightly better mileage.

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You can Safely Convert over to Full Synthetic and it will be Just Fine. It will actually be Better for the Higher Mileage Motor. Just make for sure that you Drain all of the Old oil out as Possible Before you refill with the Synthetic. A Little Mix will not Hurt the Motor at all. Please Rate My Response! Thanks!

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