Caterham Blend, 10,019 miles, 2007 Toyota Sienna

[smithph]

2007 Toyota Sienna 3.5L V6

Caterham Blend
4.0 qt TGMO 0w-20 SN (58.7%)
2.5 qt M1 0w-40 SN (36.7%)
10 oz MOS2 (4.6%)

No Makeup Oil

10,019 miles on the oil
109,618 miles on the engine

The table below is the Blackstone report including a UOA of straight M1 0w-40 SM I had done when the vehicle only had 25K on the engine. The previous fill was the same Carterham Blend run for 5K miles. The oil filter used was a Toyota TRD cartridge; it looks perfect except for the used oil so I passed on taking a picture. Blackstone's only comment was to keep an eye on the coolant level and resample in 10K miles (coolant level did not change during this run).

Code:


Caterham Blend (2015) Caterham Blend (2014) M1 0w-40 SM (2010)

ALUMINUM 2 2 2

CHROMIUM 0 0 2

IRON 14 7 6

COPPER 1 1 5

LEAD 0 0 0

TIN 1 3 0

MOLYBDENUM 288 279 8

NICKEL 0 0 0

MANGANESE 1 0 0

SILVER 0 0 0

TITANIUM 0 0 0

POTASSIUM 19 2 5

BORON 49 57 145

SILICON 24 10 7

SODIUM 47 89 5

CALCIUM 2375 2212 2634

MAGNESIUM 14 11 124

PHOSPHORUS 714 692 895

ZINC 783 813 1119

BARIUM 0 0 0



SUS Viscosity @ 210°F 59.1 55.4 68.4

cSt Viscosity @ 100°C 9.97 8.88 12.53

Flashpoint 385 425 370

Fuel %
Antifreeze % TR 0.18 0

Water % 0 0 0

Insolubles % 0.2 0.2 0.1

TBN 2.9 3.4


I replaced this fill with the same brew minus the MOS2.

Avg MPG over the previous 95k miles prior to switching from 5w-30 to Catherham blend (0w-30ish) was 21.2. Avg MPG over the last 15K miles since going to Catherham blend was 21.4. Comparing a 95K MPG average to a 15K mile MPG average is probably not a close enough sampling to claim any statistical differences but I like the trend, though not significant.

 

[Brons2]

I would just run 0w30 AFE and not mess with this armchair tribology, but, to each his own.

 

[ARCOgraphite]

Looks good except for the K. No acid generation to kill the TBN from the MoS2. Not a lot of idling or short tripping I might guess? Curious how many miles on the great 0w40 report in 2010?

 

[smithph]

5K miles on the Mobil-1 0w-40 in 2010

 

[smithph]

Originally Posted By: Brons2
I would just run 0w30 AFE and not mess with this armchair tribology, but, to each his own.


Actually, when my stash of M1 0w-40 runs out I was thinking of going with straight TGMO 0w-20.

 

[Pesca]

Did you add some oil during the 10k miles OCI?

It is strange that the viscosities are so high compare to the 5k miles OCI with so little change in TBN.

I could understand the oil to thicken at the end of a 10k miles OCI but the TBN should be lower at that time.

 

[smithph]

Originally Posted By: Pesca
Did you add some oil during the 10k miles OCI?

It is strange that the viscosities are so high compare to the 5k miles OCI with so little change in TBN.

I could understand the oil to thicken at the end of a 10k miles OCI but the TBN should be lower at that time.


No make up oil was added

 

[AKhan87]

MAN that's awesome, brand name full synthetic can easily do 10 OCI as apparent by this UOA, I too would go straight 0w20 If I were you.

but on this blend you can probably do 13-15k OCI easily.