Thanks for posting, Gib. As I just posted the FF on our 2011 Accord V6, I am very interested in that comparison plus your progression through two different oils that are on my potential use list. My test was also conducted at Blackstone so presumably the methodology and equipment is the same. You ran your 4cyl FF 10,000 miles while I went 6,300 in the V6.
On wear metals, my results were about double for AL, FE and Si, but over 10x CU (!) at 258ppm. Regarding add-pack, my FF had only 60% of the moly (358 v. 600), 76% of Zinc, 94% of Phos, 83% of Ca, 85% of boron, but double the Magnesium.
Properties were pretty close. My viscosity was tenths lower on both tests. My FP was lower at 350 v. 370. TBNs were close at 2.2 v. 2.0.
I'd be interested in others conclusions of this comparison but it appears to me that since 2009, Honda has weakened it's add pack, perhaps relying on the extra shot of Magnesium to keep thing clean, while lowering expensive wear additives across the board. I don't think there's any question that this VCM V6 is harder on oil that the four, and I'm especially curious as to where all my copper is coming from and if there is anything I can do about it via additives.
I am also interested in everyone's interpretation of the performance of PU v. M1 but it looks to me like both oils handled your extended OCI with ease. Are you sticking with PU?
