I lurk here from time to time but don't think I've posted since 2010 or '09.
Anyway, it's time to report in.
Our '03 CRV now has about 156k, and has been running on Redline 5w20 since 20k. In all that time, I've not had to add a single drop of makeup oil. It runs like it's brand new and gets about 26 mpg in town, 30 on the freeway. Looking in during a valve adjustment which didn't require much adjustment, it was perfectly clean.
Some other oil might have done just as well, but at this point, unless the cost becomes prohibitive, I see no reason to bother switching.
Anyway, it's time to report in.
Our '03 CRV now has about 156k, and has been running on Redline 5w20 since 20k. In all that time, I've not had to add a single drop of makeup oil. It runs like it's brand new and gets about 26 mpg in town, 30 on the freeway. Looking in during a valve adjustment which didn't require much adjustment, it was perfectly clean.
Some other oil might have done just as well, but at this point, unless the cost becomes prohibitive, I see no reason to bother switching.