Originally Posted By: Erik
Originally Posted By: Hokiefyd
I wouldn't necessarily say that the wear metals are trending up. As I understand, wear metals track fairly linearly with miles. His first OCI was 3,000 miles and his last was 9,000 miles. Yet none of the wear metals in the latest round were 3x the initial change, which is where they'd be if the engine was wearing at the same rate.
And on the converse, I'm a little bit impressed with the Super Tech 5W-20. The engine didn't wear any faster than it did during break-in, it stayed in grade over 9,000 miles, and still had a little bit of life left. And in the grand scheme of things, 98% of Fit owners out there will run the car on the cheapest conventional oil, and will run it to 0% on the MM (or further) before changing the oil, and the engine will still last 200-300k miles.
That said, you would generally want the engine to start wearing SLOWER than it did on break-in. If you're one to do UOAs on every oil change to see good numbers, I would suggest doing 5k mile OCIs on conventional oil and start to track progress. If you're just doing UOAs to see how well Honda's MM works and how appropriate it is, run it out to 15% and check again.
Hokie, thanks for your thoughtful and well-reasoned input. I too thought the Super Tech did well for what it cost. For what it's worth, the Maintenance Minder was at 20% when I changed the oil. I hadn't really thought about assessing the effectiveness of the MM, I was just curious to know what's going on inside my engine and figured a UOA every oil change was the best way to find out. This is the first car for which I have had an analysis done every oil change. I'm not well-versed in the subtleties of reading them, nor have I invested lots of time reading through all the valuable information in these forums. I simply wanted more than just the interpretation provided by Blackstone. My intention is to run the PP out to 10,000 miles and then get another analysis done. If history is any measure, I'll be back to bump this thread in another 18 months or so.
Finally, I'm sorry if my seemingly random choices offended or insulted anyone here.
The PP @ 10k sounds pretty good in this engine right about now.
I say you resample @ 5-15% oil life remaining which should put you at about 10-11k depending on your driving conditions.
See you next year!