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-   -   How many have changed the oil viscosity in rx 350 from 0-20 to something else (https://www.clublexus.com/forums/maintenance/896768-how-many-have-changed-the-oil-viscosity-in-rx-350-from-0-20-to-something-else.html)

Gsw1 08-13-18 11:23 AM
How many have changed the oil viscosity in rx 350 from 0-20 to something else
 
Hello. I have read that lexus recommends sticking with 0-20 w oil in 2011 rx 350. I think the engine is a little noisy and was wondering if a 5 30 oil would hurt. I read somewhere that the variable valve timing requires that 0-20 viscosity. I'm at 50k Miles and no issues.

autotech13 08-14-18 03:57 PM
If you want trouble, change the viscosity!! The engine was designed for that specific 0w-20.

tghw 08-14-18 10:46 PM
Originally Posted by autotech13 (Post 10279186)
If you want trouble, change the viscosity!! The engine was designed for that specific 0w-20.
Hardly...!

autotech13 08-16-18 02:36 PM
Really...!

sha4000 08-18-18 08:30 AM
Not...! Seriously though, follow the manufacturers viscosity if you want to achieve the mentioned MPG. Changing it wont hurt anything.

autotech13 08-20-18 04:09 PM
sha4000. I guess you know more than I do. I only been a tech and a automotive instructor for over 50 yrs!


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