10 hrs that's interesting.

I don't consider myself to have a high HP zilla but it seems to run pretty good and I'm getting 35 Hrs on average on a piston.  JH would have a better idea of where my motors HP range would be.

Is your bike drag ported with no bridge?

One of my jugs, I ported excessively back in the day, and the bridge broke on it. I run it no bridge now, but my good jug has the bridge. It's funny, if you look at the two jugs most people would swear my old jug would have to run harder, but it isn't even in the same category as my new jug. The ports are much more hogged out in the old jug. But I made a couple of errors I can't correct completely in the transfer ports. It runs good on top, but is really dead down low. With my old jug I can run 30+ hours on a piston. When you pull the pistons out of it, they look worn, and the rings will be trashed, but the piston won't be collapsed much. With My new jug though, the piston looks good, with very little signs of wear, but it will be collapsed.