"Oh, my V-Core 3.1 is working almost perfectly. I'll make it even better" then this

I'm a moron. I had my V-Core in a great spot, but I started getting some weird resonances. At the end of my troubleshooting I replaced the rails/carriages, which got rid of the resonance noise, and also put in a light weight gantry. But while doing all of the prior troubleshooting, I must have misaligned something related to the lower belt and I believe from the belt tension graph it must be binding somewhere? Would the the lack of higher frequency resonance suggest an issue with the back run of the belt? All micro shims are installed and accounted for as well. What's interesting is that I ran the input shaper graph. I've never seen two peaks like this before on my printer, but also having a y axis mzv smoothed accel of 12k seems kinda fun? IS values from the beacon's sensor.