GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

What oil are you using?

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Old 05-29-14, 09:28 AM
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Twizgs
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Originally Posted by BinaryJay
I have amsoil in mine, but I kind of just subscribe to the thinking that it doesn't matter what you put in (I just put synthetic in to extend OCI) - nobody can really tell the difference so I'm always surprised when people somehow feel passionate about motor oil. You put it in and forget about it, as long as it gets changed once in a while I don't think it matters one bit.
True I didn't want to go Synthetic....want to stay with a good 5w-30 oil
Old 05-29-14, 09:31 AM
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Originally Posted by ksan
Mobil Full synthetic extended performance 5w30
07 GS350
Thanks. I may stay with conventional oil is there a big difference when you made the switch to synthetic?
Old 05-29-14, 09:33 AM
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Anyone used Valvoline products in their vehicles before?
Old 05-29-14, 09:43 AM
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Originally Posted by Mesca
Royal Purple 5W-30! Love it a lot.
Is that Synthetic?
Old 05-29-14, 10:31 AM
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C-SupraTT
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Everyone has a brand preference, but synthetic oils are all good, no difference IMO.
Old 05-29-14, 10:38 AM
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Simmsled
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Originally Posted by Twizgs
Anyone used Valvoline products in their vehicles before?
I used Valvoline in my old VW. Its what my dealer would use and was factory fill as well. Never an issue.

Honestly... for the everyday type driving and 5,000 mile oil change interval, Valvoline, Pennzoil, Quaker State, Mobil, Castrol, etc. likely won't make a difference.
Old 05-29-14, 06:16 PM
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rjk
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Toyota Genuine Motor Oil, 0W20 master race reporting in.
Old 05-29-14, 07:43 PM
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arnieosp
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I've been using the full synthetic oil 5w-30 from Walmart. Love it, because its cheap (around $23 for 5qt can). I quit using conventional oil on my cars about 15 years ago. Synthetic only. No sludge, no black sticky gunk inside the engine ever.
Old 05-30-14, 09:16 AM
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Originally Posted by arnieosp
I've been using the full synthetic oil 5w-30 from Walmart. Love it, because its cheap (around $23 for 5qt can). I quit using conventional oil on my cars about 15 years ago. Synthetic only. No sludge, no black sticky gunk inside the engine ever.
Really Walmart? and you said no problems with it. I may have to look into that
Old 05-30-14, 09:17 AM
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Originally Posted by Simmsled
I used Valvoline in my old VW. Its what my dealer would use and was factory fill as well. Never an issue.

Honestly... for the everyday type driving and 5,000 mile oil change interval, Valvoline, Pennzoil, Quaker State, Mobil, Castrol, etc. likely won't make a difference.
Ok cool. I usually get the Valvoline synthetic blend
Old 05-30-14, 12:33 PM
  #26  
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Originally Posted by rjk
Toyota Genuine Motor Oil, 0W20 master race reporting in.
How long are you using it for? Dealer put that in my car and I am a bit weary of the viscosity rating being way out form the oil normally used in the GS.

That being said, I have no problems and my fuel economy is up to 9.5L/100 (24.7mpg)
Old 05-30-14, 03:44 PM
  #27  
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Originally Posted by blue00
How long are you using it for? Dealer put that in my car and I am a bit weary of the viscosity rating being way out form the oil normally used in the GS.

That being said, I have no problems and my fuel economy is up to 9.5L/100 (24.7mpg)
Only just started using it recently at the recommendation of the BITOG guys, no long term report available yet. So far so good. Coolant temps dead normal, no abnormal rise.
Old 12-13-14, 06:19 AM
  #28  
Hale
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Default Switching to Synthetic?

I recently bought a 2007 GS 450h with 81,000 mi. Is there any problem if I start using synthetic oil at my next oil change?
Old 12-13-14, 06:30 AM
  #29  
Gotcha350
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Nope....as long as it was well maintained. Synthetics do a better job of cleaning due to having more detergents.

Each engine design affects oils different. An oil that might be great in one engine might be ok in the next but this only comes into play with extended OCIs.
Old 12-13-14, 07:13 AM
  #30  
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Thanks, Gotcha 350. I have a full service history, all services done by Lexus dealer. I'm curious why they didn't use synthetic oil from the start?


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