Shift Kit

I'll see what the bar does, if it does anything negative I'll put the spring back in and leave it where it sits. How can you tell if it's overlapping?

I'm sure the bar will be fine.

It's kind of a feeling like your driving in mud for a second right between 2nd and third.
Hard to explain, might feel like your driving into a strong headwind for a second as it shifts.

I would recommend you let it go the way it is, except maybe open up the 2-3 oil flow holes in the plate a little more.
You should make sure all you other shifts and throttle pressure adjustments are at a good point first.