Hi Peter,
Yeah, that's kind of what I'm thinking too. After the valve job (or possibly new head + valves!) I'll have to re-test it. I just have a feeling the problem is the rings, though. Although I don't much burn oil (1 quart per 7,500 miles), there was a very noticeable amount of oil in the charge pipe when I removed it. My EGR is disconnected so the only source would be the crankcase vent into the intake elbow.
I'd love to do a leakdown but don't have the tools, time or $$$ to fiddle with that, plus the numbers aren't "bad enough" to warrant it IMO!
If I ever get the head job done I'll post again with the "new" numbers! Sure would be nice if it is just the valves...
Regards,