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I just got this back today. My s2k has 15K miles now, with this sample in the gearbox for the last 8K. I apologize for not knowing how to enlarge the image. I ran out of enzyte.
I am editing this post to include the most recent UOA I did on this differential oil. Blackstone's initial analysis noted higher than normal levels of nickel in the sample. They explained later that they used the wrong "Universal Averages":
Quote from Blackstone...Jack: Thanks for the e-mail. I'm sorry about the confusion and trouble
our report has caused you. I found the reason why the nickel level was so
different in the averages from your first sample to the next. The reason
was on the first sample, we didn't have the equipment type in
correctly. It was put in as a generic differential and the second type we
changed to the more specific Honda differential. The more specific
averages are offer a better comparison since they are comprised solely of
Honda S2000 differentials. If we would have had the correct equipment type
for you first sample, we would not have been concerned about the
nickel. Honda either used a nickel part in this differentials or a steel
part that has a high nickel content. Once again, I'm sorry about this
confusion and to help make-up for it we are going to run your next sample
at no charge. Please let me know if you have any more questions.
Sincerely,
Ryan Stark
Blackstone Labs
Comments from Blackstone on this more recent UOA:
JACK: Thanks for sending along the specs for this LE oil. We had the "should be" flash in our files as a
little higher than 410, so we straightened that out. Wear continues to look great in this sample from your
Honda's differential. Wear dropped, and it should continue dropping over the next few oil changes. The
universal averages column shows typical wear from a Honda differential after about 60,000 miles on the
oil. You're being conservative with your oil changes, so you could run the next oil longer, if you wanted.
Below is the report from Blackstone that combines the two UOA's with the corrected "Universal Averages". If you can't read the numbers, I typed them all out later (page 2) on in this thread.
Originally Posted by INDYMAC' date='Feb 2 2005, 06:12 PM
I apologize for not knowing how to enlarge the image. I ran out of enzyte.
Make a photo gallery and set it to be public readable. Post the image there and here like you did, and when people click on it, they can get the full-size image instead of the "You are not allowed to do this" message.
From the sounds of it, You just installed a new set of gears. Can you tell us what you installed, and when. It would be nice to understand where your diff was 8k ago.
Seems kind of weird that they suggest doing another UOA in 8K miles without doing another change. It's going to be a bit difficult to take a sample from the diff without draining it.
Originally Posted by gernby' date='Feb 3 2005, 10:46 AM
Seems kind of weird that they suggest doing another UOA in 8K miles without doing another change. It's going to be a bit difficult to take a sample from the diff without draining it.
Pop a tube in through the fill hole. You can siphon off a small sample then top off the diff. How to get the siphon going is left as an exercise to the reader (but don't suck on the tube!).
The sample needed is only a couple of ounces at most.
Originally Posted by rworne' date='Feb 3 2005, 02:25 PM
Pop a tube in through the fill hole. You can siphon off a small sample then top off the diff. How to get the siphon going is left as an exercise to the reader (but don't suck on the tube!).
The sample needed is only a couple of ounces at most.
I'm not saying it can't be done, but if it were me, I would just go ahead and change the oil while I was at it.
Originally Posted by Stratocaster' date='Feb 3 2005, 12:18 PM
INDYMAC
From the sounds of it, You just installed a new set of gears. Can you tell us what you installed, and when. It would be nice to understand where your diff was 8k ago.
Thanks
It is the original gearbox for a MY04. I changed the OEM lube oil out at 3300 miles with Pennzoil 80-90W GL5. I changed the Pennzoil out at 6900 miles with this sample of LE-607. At 14830 miles this UOA of LE-607 was taken. I think I will change the new fill with a another new fill at 23K and send a sample in again. Just taking a sample is a lot more difficult than just going ahead a draining/re-fill.
Although I have allowed access to my album, I will try to type this report out accurately as well. Here goes:
JACK: Most wear read low in this sample, well within the average range for a differential. Nickel,
however, was high, though we think it's from wear-in rather than a problem. We will know more next
sample when we see if it increases or decreases. It should drop. Insolubles were fine at 0.5%, and we
didn't find any moisture or other contaminants in this sample. We're glad you've changed this oil, since
nickel was high. Check back after 8000 miles on the new fill but don't change the oil at that time. It
should still be good to use -- we'll let you know.
Once again I apoligize. It seems like typing it all the way out doesn't even work very clearly. The test amount is the left hand number and right next to it is the universal average.
02-02-2005, 04:12 PM
UOA of LE-607
