Id like to know that, and where to mount them for 40%allmtn 60%park, its probably almost the same but id like to know. And whoever has pes, where did you mount your bindings whether your park or all mtn.
i mounted mine +6 on my 169s and they ski like a dream anywhere. im pretty sure +8 is center. i would say anywhere close to center if not center mounted is the way to go.
it's a matter of preference, choose your own mounting spot, i like mine at +3, but you might like yours at like +7(which is basically centermounted), or you might like them mounted where they're suppossed to be
...and there are a million of these posts by the way