Tried to add to the original post but I cannot edit that ....
but here it is ... (I also have the pervious 4 report in a table form but not sure how to copy it here ... some code I guess
image of the report
I give up to actually put an image here only links seem to work .... should be easier
It was the toyota dealer stock 0w20 synthetic oil. 10756 miles mostly summer highway. The car has now little bit over 40k. Prius has a 1.8L Atkinson cycle gasoline engine.
ALUMINUM|3
CHROMIUM|0
IRON|5
COPPER|1
LEAD|0
TIN|0
MOLYBDENUM|40
NICKEL|0
MANGANESE|0
SILVER|0
TITANIUM|0
POTASSIUM|0...
thanks for you comments ... again I double check the invoice but their is no way to know what they use other than what is written on the sheets ...
"problems keeping the oil in grade" what this supposed to mean ?? what shows "grade" and should I change earlier ???
Originally Posted By: CMMeadAM
At 6244K, our flashpoint with the Toyota 0w20 SM was 395
with fuel at div>
6244K ??? this is confusing ... do you mean 62.44K meaning 62440 mile ???
or 6244 kilometer which is about 5000 miles ....
Originally Posted By: The Critic
No TBN...no idea what amount of detergency was left.
370F flashpoint, that is probably a lot of fuel since Blackstone's method of testing for fuel dilution is not the most accurate.
This report has me on the fence. I am not sure if I am convinced that the oil...
Originally Posted By: CATERHAM
Nice report and thanks for posting.
How long time wise was the oil change interval?
Did you install the oil yourself or did the dealer?
Slightly less than 5 months (4.5) I drive 1.2K a month (almost only to work) I drive "gently" only my wife gets over 3750 rpm...
"Does Toyota carry a 5w-30 too? thanks"
I am pretty sure they do. My former toyota prius was using OEM 5w30 about 2 years ago and had that serviced by them ... NOW that is probably not synthetic though !!!
This car "requires" 0w20 ... to help with mpg and CAFE ...
First post.... I had the oil analyzed by Balackstone Labs
Just posting it for comment and for data/info for others.
Code:
Mile on the car 30K 5103
Mile on Oil 10K 5103
Date 11/12/11 11/25/09
ALUMINUM 7 4
CHROMIUM 0 0
IRON 11 14
COPPER 2 14
LEAD 0 1
TIN 6 1
MOLYBDENUM...