You should be set at whatever you're tuned for. You aimlessly poking around and turning knobs and changing springs without tuning is your issue. If you feel it's too high then bring that to the tuners attention and if he can't thoroughly explain why it's safe or not, leave quickly.
Stop ****ing with stuff and get it to a good shop. Please
And I'm not flaming you or trying to be a dick. Just trying to get a point across. I wouldn't run it too hard until it gets a good look over