2009 LX570 Oil

[Energyone]

Hi all

I'm a new member and this is my first post

Just got a new LX570 and not sure whether to use 5w40 full synthetic or stick with the conventional 20w50 which are both available at the dealer. I have always used 20-50 in the past and found no problems.

My issue here is that i'm not sure how to compare between synthetic and mineral oils

btw, I am from the middle east. the temperature here ranges between 5C in winter and 50+C in summer

 

[HTSS_TR]

Is this Lexus SUV ? What is the recommended grade in the owner manual ? You may want to use 5w40 and 15W50 in summer or 5W40 year round.

 

[Energyone]

Yes it is

The manual doesn't say much about synthetic it simply gives the temperature ranges and recommended oil (20w50 15w40 10w30 are ok for above 38C but doesn't mention 5w40 oil)

 

[3Toyotas]

Nice ride BTW!!!

Your LX has the same motor as my 5.7 tundra does, and Toyota specs the motor here for a 0w20 or 5w20.

I would like to know if there are ANY differences in this engine between countries?????

Wow, they even spec a 20w50 for your ride!!!!

Interesting........

A 5w40 would give you excellent cold start properties vs. the other's, and i would imagine it would protect well enough for operating temps.
Due to the high start up rpm's of this engine when cold, i would definately go to a good synthetic oil. I'd probably see about the availability of a 10w40.

This really blows me away that Toyota can spec an engine here for a 20w, but then recomend up to a 20w50 for other parts of the world.

 

[3Toyotas]

And to think i've been sweating my urges to run a 5w30. Sheesh!!!

 

[OVERKILL]

Originally Posted By: 3Toyotas
Nice ride BTW!!!

Your LX has the same motor as my 5.7 tundra does, and Toyota specs the motor here for a 0w20 or 5w20.

I would like to know if there are ANY differences in this engine between countries?????

Wow, they even spec a 20w50 for your ride!!!!

Interesting........

A 5w40 would give you excellent cold start properties vs. the other's, and i would imagine it would protect well enough for operating temps.
Due to the high start up rpm's of this engine when cold, i would definately go to a good synthetic oil. I'd probably see about the availability of a 10w40.

This really blows me away that Toyota can spec an engine here for a 20w, but then recomend up to a 20w50 for other parts of the world.


Ford does the same thing, as do I imagine a host of other manufacturers.

 

[3Toyotas]

Why?

Is it mainly for CAFE?

They say a 20w50 is good there, but not here. Other than high temps there vs. here, what's the difference?

 

[OVERKILL]

Originally Posted By: 3Toyotas
Why?

Is it mainly for CAFE?

They say a 20w50 is good there, but not here. Other than high temps there vs. here, what's the difference?


Good question. And one without an answer on these forums.

 

[3Toyotas]

Well, if you don't have an answer what is your opinion then?

 

[OVERKILL]

Originally Posted By: 3Toyotas
Well, if you don't have an answer what is your opinion then?


I think it is primary for CAFE. BUT, with that out of the way, I feel the manufacturers have gone to great lengths to ensure that engines sold in North America are able to be adequately protected by 5w20. They do this by virtue of higher volume and pressure oil pumps, and by adding things like oil coolers and larger sumps to control oil temperature.

It does not mean that you may not experience better wear control by running something like 5w40, but that you won't have any ISSUES over the useful life of the vehicle under the vast majority of circumstances by running the spec'd oil.

And of course engines with high power densities that REQUIRE heavier oil for adequate protection, are still spec'd for it.

 

[3Toyotas]

I've always assumed it was CAFE for the most part.

I just couldn't imagine Toyota changing the engine design for different parts of the country. The 5.7 has an engine cooler and several oil jets, and unless they did in fact change this the heavier weight oils could in fact be as good or better.

The 5.7 Lexus was built in Japan, along with the Landcruiser which has the same engine. I would also assume the oil capacity is the same there as it is here ( 8 quarts ).

What would be nice is to know what the automakers consider a USEFUL LIFE of the vehicle?????

 

[3Toyotas]

Thanks overkill for the insight. Keep em coming.


OP......maybe some help here on your specs?

 

[Energyone]

Originally Posted By: 3Toyotas
Nice ride BTW!!!

Your LX has the same motor as my 5.7 tundra does, and Toyota specs the motor here for a 0w20 or 5w20.

I would like to know if there are ANY differences in this engine between countries?????

Wow, they even spec a 20w50 for your ride!!!!

Interesting........

A 5w40 would give you excellent cold start properties vs. the other's, and i would imagine it would protect well enough for operating temps.
Due to the high start up rpm's of this engine when cold, i would definately go to a good synthetic oil. I'd probably see about the availability of a 10w40.

This really blows me away that Toyota can spec an engine here for a 20w, but then recomend up to a 20w50 for other parts of the world.


The motors are almost the same

The only difference is that the 5.7L V8 don't come with the i-force so you get 362hp instead of 381hp. They started selling the sequoia last year and it gets the 5.7L i-force engine. I think that this has to do with that it's produced in the US

Oils are available and approved by the dealer are 20w50 (Toyota oil) that has been there for as long as i can remember and the new synthetic 5w40 that is called (Lexus Oil) was introduced 2years ago


Lexus Oil

 

[3Toyotas]

Interesting....so Toyota did change some things on the 5.7?

Maybe you lost the dual vvti & the 3 stage oil pump?

Does YOUR 5.7 have a timing belt or is it a chain? Ours has 2 timing chains.

Do you have any idea what oil Toyota specs for the Sequoia there?

Do you have a cartridge filter & What is the sump capacity on your ride?

Sorry so many questions; i've just been entertaining the idea of going to a heavier weight oil.

I'll bet that Lexus oil is some good stuff, and just from what you've been telling me i think it's what i'd run.

 

[Energyone]

Originally Posted By: 3Toyotas
Interesting....so Toyota did change some things on the 5.7?

Maybe you lost the dual vvti & the 3 stage oil pump?

Does YOUR 5.7 have a timing belt or is it a chain? Ours has 2 timing chains.

Do you have any idea what oil Toyota specs for the Sequoia there?

Do you have a cartridge filter & What is the sump capacity on your ride?

Sorry so many questions; i've just been entertaining the idea of going to a heavier weight oil.

I'll bet that Lexus oil is some good stuff, and just from what you've been telling me i think it's what i'd run.


The 5.7 is very similar to what you got dual vvt-i 3-stage oil pump and chains. As i mentioned the difference is with or w/o i-force which i'm not sure what it is since i didn't a chance to look at a 5.7L i-force closely.

The sump capacity is 7L and 6.6L with or w/o filter

As for the Sequoia take a look at the link below

Sequoia

Do you think that running 5w-40 oil on 50 degrees Celsius will be OK?

 

[ELW]

For an LX570 in Qatar at max outside temps of 50C/122F, would prefer the 5W-40 full synthetic 'Lexus oil' over 20W-50 conventional 'Toyota oil.' Think the synthetic will hold up better between changes.

Of course, stick with factory recommendations throughout the warranty period.

After your warranty period expires, you might consider Mobil 1 0W-40 full synthetic for that vehicle and usage.

With synthetic, in a hot outside environment, an OCI of 10,000 km / 6,000 miles or 6 months may make sense.

 

[ottotheclown]

Make life easy on yourself in these tough times. You said you used 20-50 with no problems so.... keep it simple and stay with what works. Your manual would have told you different if you needed to get into a big confusing trail of what ifs.

 

[Energyone]

I'm not confused at all

Just wanted to hear the experts in this forum since a new oil by Toyota is out. It won't make much difference since both are approved by the dealer.

 

[SilverC6]

Use the synthetic if you want to take advantage of the longer change interval.

Otherwise, you can expect continued good service from the 20W-50 cnventional.

 

[JohnBrowning]

I think you will be fine with dino but 20W50 sounds a bit dated. I would look to see if anyone sells a high quality Conventional 15W40 for diesel applications it will do everything a 20W50 does only better. Most 15W40 are built for industry and 20W50 is built for personal use. If not I see no reason why 20W50 would not continue to work just fine. I would prefer to use 5W40 myself because I think your engine will last longer, be more powerful and will produce less wear internally. I also think the inside of the engine will stay cleaner.