8 samples on Toyota/Lexus 4.0 V8 32v 4cam

[Jay]

This is an interesting report. You've tried a number of oils and viscosities. One of your best reports is with the thinnest oil. It appears to me that your wear numbers track with your silicon numbers more than anything else.

Very nice website too!

[ April 27, 2003, 01:43 PM: Message edited by: Jay ]

 

[YZF150]

If any of that ULX had oxidized during that period, all that moly may have been a detriment. Abrasive by-products of the reaction.

Silicon has trended upward over the last 16K. Have you checked the air intake system? Changed air filter? Are you using an oiled filter?

 

[acranox]

I'm may be new, but those Moly numbers are about 4 times what I've seen in other results when you used the havoline and the ulx-110

And what do you think about the slowly increasing lead numbers?

 

[Peter Scott]

Here are 8 samples from my Toyota V8. It's a 4.0 litre V8 with quad overhead cams and 32 valves. Standard Lexus V8 as in early model LS400's. I have a Toyota Soarer Coupe - sort of a two door version of LS400. There is a pic of the car on my site planetsoarer.com.
Not much to report. All samples have been ok. Very high moly in Havoline and ULX-110.
My Aluminium jumped in last test with ULX-110.
I'm averaging 3k mile per sample - I reckon I will try the Amsoil and steel myself to leave it in there longer!
This is a great site - I am learning a lot - why oil may appear thicker and some shortcomings of the Castrol Lab reports I get.
I don't get viscosity at 100 or TBN.
I have listed some bits and pieces on my oil page - I'll be adding more links to this place for sure - this site is a terrific source of information - very well done.
I post all my oil stuff on the web for the other Soarer guys to browse here:
http://planetsoarer.com/OilAnalysis/OilAnalysis.htm
Oil capacity is approx 5.25 litres.
The car was imported from Japan - so I don't know what was in the car when I got it - I just called the oil type Japan for the first sample.
I will try to post the oil results in neat table format here.
All comments are welcome.
best regards
Peter Scott

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DATE SAMPLED Jul-01 Feb-02 Mar-02 Apr-02 Jul-02 Sep-02 Nov-02 Jan-03

DATE RECEIVED Jul-01 Feb-02 May-02 May-02 Jul-02 Dec-02 Dec-02 Mar-03

DATE REPORTED Jul-01 Feb-02 May-02 Feb-02 Jul-02 Dec-02 Dec-02 Mar-03

MACHINE (Kms) 76,000 81,000 86,000 90,100 95,930 100,032 105,000 111,080

OIL (Kms) Japan 5,000 4,500 4,500 5,830 4,070 5,000 6,000

OIL brand Japan Penrite Helix Havolin Magnate Mobil 1 Mobil 1 ULX-110

GRADE weight Japan 15W-60 15W50 5W30 10W30 5W50 5W50 10W30

OIL ADDED Japan 0 0 0 0 0 0 0.6

FILTER (Kms) Japan Ryco Ryco Ryco Toyota FSA FSA Ryco

Iron (Fe) 4 9 6 9 14 13 10 13

Aluminium (AI) 2 2 2
Copper (Cu) 2 3 1 1 2 1 1 1

Chromium (Cr)
Lead (Pb) 1 8 4 5 6 7 10 11

Tin (Sn) 1
Molybdenum (Mo) 287 28 25 760 94 164 153 826

Zinc (Zn) 1140 922 960 1044 960 1223 1335 1051

Phosphorus (P) 967 798 813 896 835 1053 1135

Potassium (K) 1 8 19 5 3 2 1 1

Magnesium (Mg) 450 80 42 21 283 553 583

Calcium (Ca) 2137 2770 2876 2032 1953 2360 2883 2412

Manganese (Mn) a n/a

Water
Silicon (Si) 11 12 9 7 13 13 11 15

Boron (B) 85 5 17 5 69 134 137 5

Sodium (Na) 4 6 5 7 49 4
(cSt,40°C) 111 139 121 62 104 103 100 84.6

Glycol Index 0.1 0.5 0.4
PQ Index 41 39 32 34 49 77 47 13

Nitration Index 10.9 10.4 10 10.9 11.4 12.4 11.7 11

Petrol 1.5 2 1.5 1 1.5 2 1.5 3

Si:Al ratio 5.5 6 4.5 7 2.17 2.60 1.83 0.83

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