I would recommend starting out on the lower side. CYA can always be increased easily enough , while its not as easy to lower.

Plus , Its a Catch-22 type of thing going on. High CYA makes it easier to maintain CL levels , but higher levels of CL are needed for HIgh CYA. its anuff to make ya nuts I tell ya.

So try it low , if you find it too hard to maintain proper CL levels , bump it up a notch