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#3166355 - 10/24/13 02:40 PM Oil recommendation for a 1991 Lexus LS400?
Finn Offline


Registered: 03/01/10
Posts: 509
Loc: Finland
Greetings and salutations.

I'm supposed to pick up the Lexus this weekend and in order to get to the stores on Saturday to pick the oil I'm facing the old dilemma ie. what oil to use.

The car has 120k miles on the clock and has full service history. At this point I do not unfortunately have a slightest idea of what oil has been used but I just wish to treat her well and keep her for a long time.

My use will be mix of cruising in town, commuting and touring perhaps 10k miles per year - my daily driver is the Corolla in signature.

As I have mentioned earlier the 5W-30 is somewhat odd viscosity over here and the availability is limited and sometimes quite expensive, such as Castrol Edge.

This is what the manual says:



These are the 5W-30 oils that seem to be easy to get locally:


Valvoline MaxLife 5W-30: WSS-M2C913-A WSS-M2C913-B WSS-M2C913-C, API SJ, ACEA A1-02/A5-02/B1-02


Ford Formula F 5W-30: WSS-M2C913-B, WSS-M2C913-C, API SL, ILSAC GF-3, ACEA A1/B1


GM Longlife: ACEA A3/B4 ja C3, API SM/CF, GM-LL-A-025, GM-LL-B-025, BMW LL-04, MB 229.51


Mobil Super 3000 X1 5W-30: ACEA A5/B5, API SL, Ford WSS-M2C913-C, Ford WSS-M2C913-B, Ford WSS-M2C913-A

Then there's of course Mobil 1 0W-40 and Shell Helix Ultra 5W-40 and other oils as well.

Of these 5W-30 oils above what would you recommend or does it matter ie. would each and every one suit the 1UZ-FE just fine?
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#3166365 - 10/24/13 02:48 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
2012AccentSE Offline


Registered: 10/08/13
Posts: 314
Loc: TX
I would get an oil that has a high cleaning ability for the first few changes to flush any old [censored] out. Then switch to an oil of my choice.
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2008 F150 KR 5.4L 3v
Castrol Magnatec 5w30
1 pint MMO
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2010 Corolla 1.8L
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Fram CH10358

2014 CFMoto 650NK
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#3166366 - 10/24/13 02:52 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
dareo Offline


Registered: 10/17/07
Posts: 1344
Loc: utah
That engine will be the last thing to ever wear out on that car. Max life would be great, but i think that engine will run forever on just about anything.
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#3166372 - 10/24/13 02:56 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
Finn Offline


Registered: 03/01/10
Posts: 509
Loc: Finland
The cost is not the essential factor here but Ford and GM oils - and especially the GM oil - are very, very affordable. Shell Helix Ultra 5W-40 about the same as Ford oil pricewise.
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2000 Jaguar XJR | 1978 Corvette 427" | 1986 Corvette 383" | 2003 FLHR | 2003 Saab 9-5 Estate 2.0tA Stage 1

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#3166379 - 10/24/13 03:03 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
dareo Offline


Registered: 10/17/07
Posts: 1344
Loc: utah
Well if you can get the GM Dexos 2 oil cheaply i'd do that, can't go wrong there.
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#3166384 - 10/24/13 03:07 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
hypervish Offline


Registered: 04/20/10
Posts: 1673
Loc: new jersey
1UZ-FE is a legendary engine, it'll run butter smooth on whatever oil you use!
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2000 Lexus RX300 AWD 234k miles
QS Ultimate Durability 5W-30
Tranny - Castrol Transmax IMV / T-IV
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#3166386 - 10/24/13 03:07 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
Boss302fan Offline


Registered: 11/07/09
Posts: 2358
Loc: Oconomowoc Wi
PP or even plain jane PYB would be good choices.
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#3166396 - 10/24/13 03:12 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Boss302fan]
Finn Offline


Registered: 03/01/10
Posts: 509
Loc: Finland
Originally Posted By: Boss302fan
PP or even plain jane PYB would be good choices.

Pennzoil products are not easy to get here but Shell products are on just about every market shelf.
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2000 Jaguar XJR | 1978 Corvette 427" | 1986 Corvette 383" | 2003 FLHR | 2003 Saab 9-5 Estate 2.0tA Stage 1

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#3166416 - 10/24/13 03:25 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
RISUPERCREWMAN Offline


Registered: 07/29/08
Posts: 1044
Loc: RHODE ISLAND
Yeah all that engine needs is an occasional timing belt. That is its only achilles heel. Its an interfearence engine so be careful!
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#3166421 - 10/24/13 03:30 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
CELICA_XX Offline


Registered: 11/28/08
Posts: 823
Loc: Oklahoma
I have this same car... M1 5W-30 until just recently, and now switched to M1 5W-30 HM

Fantastic car by the way.
_________________________
15 Toyota Prius - M1 EP 0w20
02 Toyota ECHO - Valv MaxLife Full Syn 5w30
97 Lexus LX450 - M1 0w40
93 Lexus LS400 - Valv MaxLife Full Syn 5w30

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#3166428 - 10/24/13 03:37 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
Finn Offline


Registered: 03/01/10
Posts: 509
Loc: Finland
Thanks guys, much appreciate your comments.

Any idea if the GM oil is an OK product?
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2000 Jaguar XJR | 1978 Corvette 427" | 1986 Corvette 383" | 2003 FLHR | 2003 Saab 9-5 Estate 2.0tA Stage 1

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#3166447 - 10/24/13 04:02 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
tinmanSC Offline


Registered: 09/07/10
Posts: 2231
Loc: Oswego, IL
I'd keep is simple and go with Valvoline. People all over the world use MaxLife, works great. But I'm bias.
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#3166454 - 10/24/13 04:16 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
y_p_w Offline


Registered: 05/06/05
Posts: 3466
Loc: SF Bay Area
Originally Posted By: Finn
Thanks guys, much appreciate your comments.

Any idea if the GM oil is an OK product?

Here's a thread on that very same oil:

http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2571182

One of the posts says that GM's suppliers are Wolf Oils from Belgium or Total.

Here in the US I think we have a lot of choices because there's a fairly healthy do-it-yourself market. I was told that in European countries, most servicing of vehicles was required to be performed by licensed mechanics.

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#3166455 - 10/24/13 04:16 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
bigt61 Offline


Registered: 02/12/13
Posts: 3069
Loc: Virginia
I think the GM Dexos2 would work fine. Use what is easy, cheap and available. Stick with 5W-30.

http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2487870
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92 Suburban 2500 7.4L 58k M1_0w40 5yr OCI
99 Olds Aurora 4.0L 91K M1_5w30 5yr OCI
13 Dodge Dart 2.0L 30k PP 0w20 OLM OCI
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#3166540 - 10/24/13 05:42 PM Re: Oil recommendation for a 1991 Lexus LS400? [Re: Finn]
fdcg27 Online   content


Registered: 09/25/09
Posts: 14512
Loc: OH
What would be least expensive?
I'd say that the GM Dexos 2 oil would be a good choice. It meets A3/B4, so it would work well, although it would be a higher HTHS oil than what Toyota originally recommended.
Certainly won't hurt the engine, but probably thicker than needed.
Maxlife might be a better choice. API SJ is a more recent spec than existed when this car was new, so there should be no problems with that. Maxlife has worked well for me in a few applications.
I don't think that it'll hold up for 10K miles, though, while the GM Dexos 2 oil probably will.
You have a great engine in a great car. I doubt that any S-class or 7 series of the same vintage would hold up to time and miles any better if as well.
What an unplesant surprise this car must have been to DB and BMW when it was introduced.
People from both makers tried to trash-talk this upmarket Toyota, but it became solidly popular among high-end buyers, at least here in the US.
It may not have been autobahn bred, but it still runs like a fast and comfortable train.
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09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
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