2002 Avalon 1MZ-FE PYB 5w30 4,100 miles

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2002 Toyota Avalon
1MZ-FE 3.0 V6
128,556 miles
4,133 miles on oil
(sample taken during OCI)
OEM air filter
TG-3600 oil filter
(oversized filter)
PYB 5w30 SN (5.3ish quart capacity with oversized filter)
No make up oil added
No oil/gas additives used during OCI
Previous 5+ OCIs have been with PYB 5w30 at 3,000 mile OCIs


Sample on left and averages on right (Blackstone said their averages are based on 5,100 miles)

Aluminum 1/3
Chromium 0/0
Iron 2/7
Copper 0/0
Lead 0/0
Tin 0/0
Molybdenum 177/67
Nickel 0/0
Manganese 0/0
Silver 0/0
Titanium 0/0
Potassium 0/0
Boron 34/46
Silicon 17/17
Sodium 11/34
Calcium 2,346/2,018
Magnesium 8/176
Phosphorus 757/707
Zinc 1,017/822
Barium 0/0

SUS Viscosity @ 210*F 54.0 / 54.0 - 62.0
cSt Viscosity @ 100*C 8.47 / 8.5 - 11.1
Flashpoint *F 355 / >365 (flagged by Blackstone)
Fuel % 0.5 / Antifreeze % 0.0 / 0.0
Water % 0.0 / 0.0
Insolubles % 0.0 / TBN 2.2 / >1.0


My thoughts...

Sodium has me raising an eyebrow - no clue where that is coming from (we do use the same oil funnel for about a dozen vehicles in our shop). PQIA shows PYB 5w30 has 5 ppm of sodium. My 1MZ-FE is doing what they do best - chewing up oil in short OCIs but running like a fine Swiss watch. Blackstone recommends a 5,000 - 5,500 mile OCI. I will probably shoot for 4,500 mile OCIs and have 5,000 miles as a max. I don't plan on moving away from PYB 5w30 and the TG-3600. Zinc seems high for SN PYB 5w30. Silicon seems high - air filter has maybe 15,000 miles on it and I only open the filter box while changing the oil for inspection. I doubt I check the miles of vacuum hoses and feet of intake tube yet - but something to think about. If sodium is a fluke or an anomaly from Blackstone I think the car is good for another 100,000 miles.
 
Originally Posted By: 04SE
If sodium is a fluke or an anomaly from Blackstone I think the car is good for another 100,000 miles.


Or a lot more, if you care to keep it that long.
 
Originally Posted By: kschachn
Originally Posted By: 04SE
If sodium is a fluke or an anomaly from Blackstone I think the car is good for another 100,000 miles.


Or a lot more, if you care to keep it that long.


Oh absolutely, this is a keeper. I have had it for around 3.5 years and a little over 30,000 miles.

I spent some time looking at other SOPUS product UOA reports here and am no longer concerned with the sodium, they all had upwards of 20 ppm sodium. I will just plan on 4,500 - 5,000 mile OCIs and keep driving it until rust kills it.
 
Originally Posted By: SatinSilver
How long was the oil in service?


Around 4 months.

Monday through Friday it commutes 25 miles round trip in mixed highway & city driving. Weekends it sees highway trips and minimal city driving.
 
I'm not sure how closely related that engine is to earlier ones, but my brother's '95 Avalon is still, as you put it, "running like a fine Swiss watch," with nearly 3 times the mileage. It's starting to use a little more oil, though. It has been on synthetic 5W-30 of various brands its entire life. Recently it got a new steering rack, tie-rod ends, a roll-bar bushing, drive half-shafts, and an engine mount, all for the first time.
 
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