I ran a Sensenich wood on my -6 before I got my Catto. The Sensenich is a great prop. The only problem I had with it is because of the wide blade plan form, it loads up considerably at the lower altitudes. I only got 2050 rpm static. It still pulls great even at the lower rpm. It is fantastic at altitude. I still have it for back up in case I ever need maintenance on the Catto.
Mel,
I know I'm bringing this back from the dead. Do you remember the specs on your Sensenich Wood prop? I have one as well, and static is low like yours.
I don't remember the specs. But it wouldn't compare to your situation anyway because I had a modified engine with 175 hp.
Sensenich worked with me building the prop specifically for my engine.