If you are using this as a cut plan, I'd add it in for the last 6-8 wks. If you are using this as a mass gainer, first 6-8 wks. I would dose it at 50mg, split into 2 doses
For PCT, wait until 3 wks after your last shot, then 1 wk clomid at 100mg, then 50mg for 2 more wks.